Delaware County Water Company, Inc. (OH) Water Quality

Delaware County Water Company, Inc. is a large public water system in EPA region 5 that provides tap water for the 40233, 43011, 43016, 43017, 43021, 43032, 43040, 43054, 43064 - 43066, 43081, 43082, 43086, 43235, 43302, 43315, 43320, 43321, 43334, 43350, 44035 zip codes. It has 16 facilities where the water supply was tested for 85 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 66.18 µg/L. Some (1 of 32 or 3%) of the latest water samples showed levels of HAA5 (five regulated haloacetic acids) that were at or above unsafe concentration levels. The maximum reported level of Manganese was 2 µg/L. There were 2 contamintants found in the Delaware County Water Company, Inc. water supply at levels that were above the minimum reporting level. 1 of the contaminants were above the reference level, which means they may pose a risk to human health.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (12)
1,2,3-trichloropropane (12)
1,3-butadiene (12)
1,4-dioxane (12)
1-butanol (10)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (10)
17-alpha-ethynylestradiol (12)
17-beta-estradiol (12)
1H,1H,2H,2H-perfluorodecane sulfonic acid (10)
1H,1H,2H,2H-perfluorohexane sulfonic acid (10)
1H,1H,2H,2H-perfluorooctane sulfonic acid (10)
2,4-dinitrotoluene (16)
2,6-dinitrotoluene (16)
2-methoxyethanol (10)
2-propen-1-ol (Allyl Alcohol) (10)
4,4'-dichloro dichlorophenyl ethylene (DDE) (16)
4,8-dioxa-3H-perfluorononanoic acid (10)
4-androstene-3,17-dione (12)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (10)
alpha-hexachlorocyclohexane (10)
anatoxin-a (14)
bromochloromethane (Halon 1011) (12)
bromomethane (12)
Butylated Hydroxyanisole (10)
chlorate (16)
chlorodifluoromethane (HCFC-22) (12)
chloromethane (12)
chlorpyrifos (10)
chromium (16)
chromium-6 (16)
cobalt (16)
cylindrospermopsin (16)
dimethipin (10)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (16)
equilin (12)
estriol (12)
estrone (12)
ethoprop (10)
Germanium (10)
HAA5 (five regulated haloacetic acids) (32)
HAA6Br (six brominated haloacetic acids) (32)
HAA9 (nine haloacetic acids) (32)
hexafluoropropylene oxide dimer acid (GenX) (10)
lithium (10)
Manganese (10)
methyl-tertiary-butyl-ether (MTBE) (16)
molinate (16)
molybdenum (16)
N-ethyl perfluorooctanesulfonamidoacetic acid (10)
N-methyl perfluorooctanesulfonamidoacetic acid (10)
nitrobenzene (16)
nonafluoro-3,6-dioxaheptanoic acid (10)
o-toluidine (10)
oxyfluorfen (10)
perchlorate (16)
perfluoro(2-ethoxyethane)sulfonic acid (10)
perfluoro-3-methoxypropanoic acid (10)
perfluoro-4-methoxybutanoic acid (10)
perfluorobutanesulfonic acid (22)
perfluorobutanoic acid (10)
perfluorodecanoic acid (10)
perfluorododecanoic acid (10)
perfluoroheptanesulfonic acid (10)
perfluoroheptanoic acid (22)
perfluorohexanesulfonic acid (22)
perfluorohexanoic acid (10)
perfluorononanoic acid (22)
perfluorooctanesulfonic acid (22)
perfluorooctanoic acid (22)
perfluoropentanesulfonic acid (10)
perfluoropentanoic acid (10)
perfluorotetradecanoic acid (10)
perfluorotridecanoic acid (10)
perfluoroundecanoic acid (10)
profenofos (10)
quinoline (10)
s-ethyl-dipropylthiocarbamate (EPTC) (16)
strontium (16)
tebuconazole (10)
terbacil (16)
testosterone (12)
total microcystins (16)
Total Permethrin (10)
tribufos (10)
vanadium (16)

1,1-dichloroethane (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.03 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.03 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,2,3-trichloropropane (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.03 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.03 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,3-butadiene (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.1 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.1 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.1 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.1 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.1 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.1 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.1 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.1 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.1 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.1 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.1 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.1 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.1 µg/L
Reference Level: ?

Contaminant Details

1,4-dioxane (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.07 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.07 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.07 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.07 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.07 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.07 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.07 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.07 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.07 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.07 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.07 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.07 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: ?

Contaminant Details

1-butanol (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<2 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<2 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<2 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<2 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<2 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<2 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<2 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<2 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<2 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<2 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

17-alpha-ethynylestradiol (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0009 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0009 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.0009 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0009 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0009 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.0009 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0009 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0009 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.0009 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0009 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.0009 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0009 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.0009 µg/L
Reference Level: ?

Contaminant Details

17-beta-estradiol (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0004 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0004 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.0004 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0004 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0004 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.0004 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0004 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0004 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.0004 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0004 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.0004 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0004 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.0004 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

2,4-dinitrotoluene (16)

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

9/23/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2,6-dinitrotoluene (16)

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

9/23/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2-methoxyethanol (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.4 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.4 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.4 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.4 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.4 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.4 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.4 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.4 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.4 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.4 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.5 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.5 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.5 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.5 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.5 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.5 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.5 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.5 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.5 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.5 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (16)

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<0.8 µg/L

Below Reporting Level

9/23/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<0.8 µg/L

Below Reporting Level

6/16/2003

22 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<0.8 µg/L

Below Reporting Level

6/16/2003

22 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<0.8 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<0.8 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<0.8 µg/L

Below Reporting Level

3/25/2003

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<0.8 µg/L

Below Reporting Level

3/25/2003

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<0.8 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<0.8 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<0.8 µg/L

Below Reporting Level

12/10/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<0.8 µg/L

Below Reporting Level

12/10/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<0.8 µg/L

Below Reporting Level

12/10/2002

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<0.8 µg/L

Below Reporting Level

9/4/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<0.8 µg/L

Below Reporting Level

9/4/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<0.8 µg/L

Below Reporting Level

9/4/2002

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<0.8 µg/L

Below Reporting Level

9/4/2002

23 years ago

Minimum Reporting Level: 0.8 µg/L
Reference Level: ?

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

4-androstene-3,17-dione (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0003 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0003 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.0003 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0003 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0003 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.0003 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0003 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0003 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.0003 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0003 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.0003 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0003 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.0003 µg/L
Reference Level: ?

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.002 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

alpha-hexachlorocyclohexane (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.01 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.01 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.01 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.01 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.01 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.01 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.01 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.01 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.01 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.01 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L

Contaminant Details

anatoxin-a (14)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/15/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/15/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/1/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/1/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/2/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/2/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

bromochloromethane (Halon 1011) (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.06 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.06 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.06 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.06 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.06 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.06 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.06 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.06 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.06 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.06 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.06 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.06 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.06 µg/L
Reference Level: ?

Contaminant Details

bromomethane (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.2 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.2 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Butylated Hydroxyanisole (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

chlorate (16)

Entry Point to Dist. System

Alum Creek WTP ℹ️

56 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 36 µg/L

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

220 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 200 µg/L

2/10/2015

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 180 µg/L

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

63 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 43 µg/L

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

260 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 240 µg/L

11/17/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 210 µg/L

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 180 µg/L

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

2100 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 2080 µg/L

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

260 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 240 µg/L

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 210 µg/L

8/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

190 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 170 µg/L

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

2100 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 2080 µg/L

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

150 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 130 µg/L

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

64 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 44 µg/L

5/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

320 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 300 µg/L

5/5/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

260 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 240 µg/L

5/5/2014

11 years ago

Minimum Reporting Level: 20 µg/L
Reference Level: ?

Contaminant Details

chlorodifluoromethane (HCFC-22) (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.08 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.08 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.08 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.08 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.08 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.08 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.08 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.08 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.08 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.08 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.08 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.08 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.08 µg/L
Reference Level: ?

Contaminant Details

chloromethane (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.2 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.2 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chlorpyrifos (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L

Contaminant Details

chromium (16)

Entry Point to Dist. System

Alum Creek WTP ℹ️

0.35 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.15 µg/L

2/11/2015

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

0.44 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.24 µg/L

2/10/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.36 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

0.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.2 µg/L

11/18/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

0.83 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.63 µg/L

11/17/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

0.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.4 µg/L

11/17/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.48 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.28 µg/L

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.2 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

0.44 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.24 µg/L

8/12/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

0.84 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.64 µg/L

8/5/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.56 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.36 µg/L

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.2 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

0.51 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.31 µg/L

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

0.39 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.19 µg/L

5/5/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.36 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L

5/5/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chromium-6 (16)

Entry Point to Dist. System

Alum Creek WTP ℹ️

0.19 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.16 µg/L

2/11/2015

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

0.28 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.25 µg/L

2/10/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.26 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.23 µg/L

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

0.046 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.016 µg/L

11/18/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

0.51 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.48 µg/L

11/17/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

0.32 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.29 µg/L

11/17/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.27 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.24 µg/L

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

0.042 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.012 µg/L

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

0.39 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.36 µg/L

8/12/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

0.75 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.72 µg/L

8/5/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.47 µg/L

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

0.07 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.04 µg/L

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

0.49 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.46 µg/L

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

0.34 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.31 µg/L

5/5/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.28 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.25 µg/L

5/5/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

cobalt (16)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<1 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<1 µg/L

Below Reporting Level

2/10/2015

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

<1 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<1 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<1 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<1 µg/L

Below Reporting Level

11/17/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

<1 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<1 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<1 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<1 µg/L

Below Reporting Level

8/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

<1 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<1 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<1 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<1 µg/L

Below Reporting Level

5/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

<1 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

cylindrospermopsin (16)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/15/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/15/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/1/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/1/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/2/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/2/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L

Contaminant Details

dimethipin (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (16)

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<1 µg/L

Below Reporting Level

9/23/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<1 µg/L

Below Reporting Level

6/16/2003

22 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<1 µg/L

Below Reporting Level

6/16/2003

22 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<1 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<1 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<1 µg/L

Below Reporting Level

3/25/2003

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<1 µg/L

Below Reporting Level

3/25/2003

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<1 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<1 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<1 µg/L

Below Reporting Level

9/4/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<1 µg/L

Below Reporting Level

9/4/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<1 µg/L

Below Reporting Level

9/4/2002

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<1 µg/L

Below Reporting Level

9/4/2002

23 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

equilin (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.004 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.004 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

estriol (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0008 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0008 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.0008 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0008 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0008 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.0008 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0008 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0008 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.0008 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0008 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.0008 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0008 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.0008 µg/L
Reference Level: ?

Contaminant Details

estrone (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.002 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.002 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.002 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.002 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

ethoprop (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L

Contaminant Details

Germanium (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.3 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

HAA5 (five regulated haloacetic acids) (32)

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

39.75 µg/L

⚠️ Exceeds 50% of Reference Level

3/5/2019

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

34.32 µg/L

⚠️ Exceeds 50% of Reference Level

3/5/2019

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

32.78 µg/L

⚠️ Exceeds 50% of Reference Level

3/5/2019

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

32 µg/L

⚠️ Exceeds 50% of Reference Level

3/5/2019

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

28.65 µg/L

Meets Reporting Threshold

3/5/2019

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

27.7 µg/L

Meets Reporting Threshold

3/5/2019

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

27.67 µg/L

Meets Reporting Threshold

3/5/2019

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

19.8 µg/L

Meets Reporting Threshold

3/5/2019

7 years ago

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

66.18 µg/L

☠️ Exceeds Reference Level by 6.18 µg/L

12/4/2018

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

50.45 µg/L

❗ Exceeds 80% of Reference Level

12/4/2018

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

49.44 µg/L

❗ Exceeds 80% of Reference Level

12/4/2018

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

48.81 µg/L

❗ Exceeds 80% of Reference Level

12/4/2018

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

41.33 µg/L

⚠️ Exceeds 50% of Reference Level

12/4/2018

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

37.95 µg/L

⚠️ Exceeds 50% of Reference Level

12/4/2018

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

31.11 µg/L

⚠️ Exceeds 50% of Reference Level

12/4/2018

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

31.05 µg/L

⚠️ Exceeds 50% of Reference Level

12/4/2018

7 years ago

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

31.83 µg/L

⚠️ Exceeds 50% of Reference Level

9/5/2018

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

29.81 µg/L

Meets Reporting Threshold

9/5/2018

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

29.61 µg/L

Meets Reporting Threshold

9/5/2018

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

29.41 µg/L

Meets Reporting Threshold

9/5/2018

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

28.78 µg/L

Meets Reporting Threshold

9/5/2018

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

26.79 µg/L

Meets Reporting Threshold

9/5/2018

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

21.71 µg/L

Meets Reporting Threshold

9/5/2018

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

13.18 µg/L

Meets Reporting Threshold

9/5/2018

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

39.88 µg/L

⚠️ Exceeds 50% of Reference Level

7/2/2018

7 years ago

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

57.46 µg/L

❗ Exceeds 80% of Reference Level

6/5/2018

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

55.55 µg/L

❗ Exceeds 80% of Reference Level

6/5/2018

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

52 µg/L

❗ Exceeds 80% of Reference Level

6/5/2018

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

52 µg/L

❗ Exceeds 80% of Reference Level

6/5/2018

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

51.53 µg/L

❗ Exceeds 80% of Reference Level

6/5/2018

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

50.55 µg/L

❗ Exceeds 80% of Reference Level

6/5/2018

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

36 µg/L

⚠️ Exceeds 50% of Reference Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L

Contaminant Details

HAA6Br (six brominated haloacetic acids) (32)

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

11.35 µg/L

3/5/2019

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

10.68 µg/L

3/5/2019

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

10.17 µg/L

3/5/2019

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

10.05 µg/L

3/5/2019

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

9.9 µg/L

3/5/2019

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

7.54 µg/L

3/5/2019

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

7.11 µg/L

3/5/2019

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

3.9 µg/L

3/5/2019

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

11.47 µg/L

12/4/2018

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

10.26 µg/L

12/4/2018

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

10.1 µg/L

12/4/2018

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

10.05 µg/L

12/4/2018

7 years ago

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

9.88 µg/L

12/4/2018

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

7.85 µg/L

12/4/2018

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

7.74 µg/L

12/4/2018

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

6.13 µg/L

12/4/2018

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

11.71 µg/L

9/5/2018

7 years ago

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

11.5 µg/L

9/5/2018

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

11.39 µg/L

9/5/2018

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

10.33 µg/L

9/5/2018

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

9.62 µg/L

9/5/2018

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

9.16 µg/L

9/5/2018

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

7.85 µg/L

9/5/2018

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

7.3 µg/L

9/5/2018

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

12.27 µg/L

7/2/2018

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

12.41 µg/L

6/5/2018

7 years ago

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

11.81 µg/L

6/5/2018

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

10.66 µg/L

6/5/2018

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

9.39 µg/L

6/5/2018

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

8.11 µg/L

6/5/2018

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

6.02 µg/L

6/5/2018

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

5.6 µg/L

6/5/2018

7 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

HAA9 (nine haloacetic acids) (32)

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

50.35 µg/L

3/5/2019

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

42.68 µg/L

3/5/2019

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

41.54 µg/L

3/5/2019

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

39.11 µg/L

3/5/2019

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

38.05 µg/L

3/5/2019

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

37.17 µg/L

3/5/2019

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

36.9 µg/L

3/5/2019

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

23.7 µg/L

3/5/2019

7 years ago

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

75.58 µg/L

12/4/2018

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

58.26 µg/L

12/4/2018

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

57.85 µg/L

12/4/2018

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

56.74 µg/L

12/4/2018

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

48.47 µg/L

12/4/2018

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

47.13 µg/L

12/4/2018

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

40.1 µg/L

12/4/2018

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

40.05 µg/L

12/4/2018

7 years ago

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

42.5 µg/L

9/5/2018

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

40.71 µg/L

9/5/2018

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

38.33 µg/L

9/5/2018

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

38.16 µg/L

9/5/2018

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

37.39 µg/L

9/5/2018

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

36.85 µg/L

9/5/2018

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

30.62 µg/L

9/5/2018

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

19.9 µg/L

9/5/2018

7 years ago

6195 Glick Road (Wendy's)

Distribution system ℹ️

51.27 µg/L

7/2/2018

7 years ago

6658 Olentangy River Road (Del-Co Administration)

Distribution system ℹ️

68.81 µg/L

6/5/2018

7 years ago

7080 Olentangy River Road (Liberty Church)

Distribution system ℹ️

67.41 µg/L

6/5/2018

7 years ago

55 Lazelle Road (Willow Brook)

Distribution system ℹ️

61.39 µg/L

6/5/2018

7 years ago

7259 Penn Road (Mill Creek Golf Club)

Distribution system ℹ️

60.66 µg/L

6/5/2018

7 years ago

8961 Polaris Parkway (Donatos Pizza)

Distribution system ℹ️

60.11 µg/L

6/5/2018

7 years ago

61 North Third Street (Ostrander School)

Distribution system ℹ️

57.02 µg/L

6/5/2018

7 years ago

1680 East Orange Road (Orange Township Fire)

Distribution system ℹ️

41.6 µg/L

6/5/2018

7 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

lithium (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<9 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<9 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

East Knox WTP ℹ️

12.9 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 3.9 µg/L

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<9 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<9 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<9 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<9 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

12.3 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 3.3 µg/L

7/11/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<9 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<9 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 9 µg/L
Reference Level: ?

Contaminant Details

Manganese (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

2 µg/L

Meets Reporting Threshold

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.4 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

0.44 µg/L

Meets Reporting Threshold

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.4 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.4 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.4 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.4 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.65 µg/L

Meets Reporting Threshold

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.4 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.4 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (16)

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<5 µg/L

Below Reporting Level

9/23/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<5 µg/L

Below Reporting Level

6/16/2003

22 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<5 µg/L

Below Reporting Level

6/16/2003

22 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<5 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<5 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<5 µg/L

Below Reporting Level

3/25/2003

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<5 µg/L

Below Reporting Level

3/25/2003

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<5 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<5 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<5 µg/L

Below Reporting Level

12/10/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<5 µg/L

Below Reporting Level

12/10/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<5 µg/L

Below Reporting Level

12/10/2002

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<5 µg/L

Below Reporting Level

9/4/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<5 µg/L

Below Reporting Level

9/4/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<5 µg/L

Below Reporting Level

9/4/2002

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<5 µg/L

Below Reporting Level

9/4/2002

23 years ago

Minimum Reporting Level: 5 µg/L
Reference Level: ?

Contaminant Details

molinate (16)

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<0.9 µg/L

Below Reporting Level

9/23/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<0.9 µg/L

Below Reporting Level

6/16/2003

22 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<0.9 µg/L

Below Reporting Level

6/16/2003

22 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<0.9 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<0.9 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<0.9 µg/L

Below Reporting Level

3/25/2003

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<0.9 µg/L

Below Reporting Level

3/25/2003

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<0.9 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<0.9 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<0.9 µg/L

Below Reporting Level

12/10/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<0.9 µg/L

Below Reporting Level

12/10/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<0.9 µg/L

Below Reporting Level

12/10/2002

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<0.9 µg/L

Below Reporting Level

9/4/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<0.9 µg/L

Below Reporting Level

9/4/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<0.9 µg/L

Below Reporting Level

9/4/2002

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<0.9 µg/L

Below Reporting Level

9/4/2002

23 years ago

Minimum Reporting Level: 0.9 µg/L
Reference Level: ?

Contaminant Details

molybdenum (16)

Entry Point to Dist. System

Alum Creek WTP ℹ️

8.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 7.6 µg/L

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

8.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 7.2 µg/L

2/10/2015

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

7.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6.9 µg/L

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

28 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 27 µg/L

11/18/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

9.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 8.2 µg/L

11/17/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

8.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 7.6 µg/L

11/17/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

8.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 7.1 µg/L

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

15 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 14 µg/L

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

6.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.6 µg/L

8/12/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

5.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.9 µg/L

8/5/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

5.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.6 µg/L

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 12 µg/L

5/21/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

26 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 25 µg/L

5/13/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

5.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.3 µg/L

5/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6 µg/L

5/5/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

6.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.7 µg/L

5/5/2014

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.006 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.006 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.006 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.006 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.006 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.006 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.006 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.006 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.006 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.006 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.006 µg/L
Reference Level: ?

Contaminant Details

nitrobenzene (16)

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<10 µg/L

Below Reporting Level

9/23/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<10 µg/L

Below Reporting Level

6/16/2003

22 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<10 µg/L

Below Reporting Level

6/16/2003

22 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<10 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<10 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<10 µg/L

Below Reporting Level

3/25/2003

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<10 µg/L

Below Reporting Level

3/25/2003

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<10 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<10 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<10 µg/L

Below Reporting Level

12/10/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<10 µg/L

Below Reporting Level

12/10/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<10 µg/L

Below Reporting Level

12/10/2002

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<10 µg/L

Below Reporting Level

9/4/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<10 µg/L

Below Reporting Level

9/4/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<10 µg/L

Below Reporting Level

9/4/2002

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<10 µg/L

Below Reporting Level

9/4/2002

23 years ago

Minimum Reporting Level: 10 µg/L
Reference Level: ?

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.02 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: ?

Contaminant Details

o-toluidine (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.007 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.007 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.007 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.007 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.007 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.007 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.007 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.007 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.007 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.007 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

oxyfluorfen (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.05 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.05 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.05 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.05 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.05 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.05 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.05 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.05 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.05 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.05 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L

Contaminant Details

perchlorate (16)

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<4 µg/L

Below Reporting Level

9/23/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<4 µg/L

Below Reporting Level

6/16/2003

22 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<4 µg/L

Below Reporting Level

6/16/2003

22 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<4 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<4 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<4 µg/L

Below Reporting Level

3/25/2003

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<4 µg/L

Below Reporting Level

3/25/2003

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<4 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<4 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<4 µg/L

Below Reporting Level

12/10/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<4 µg/L

Below Reporting Level

12/10/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<4 µg/L

Below Reporting Level

12/10/2002

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<4 µg/L

Below Reporting Level

9/4/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<4 µg/L

Below Reporting Level

9/4/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<4 µg/L

Below Reporting Level

9/4/2002

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<4 µg/L

Below Reporting Level

9/4/2002

23 years ago

Minimum Reporting Level: 4 µg/L
Reference Level: ?

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoro-3-methoxypropanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoro-4-methoxybutanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanesulfonic acid (22)

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0038 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0008 µg/L

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0043 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0013 µg/L

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0031 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0001 µg/L

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0035 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0005 µg/L

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.09 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.09 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.09 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.09 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.09 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.09 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0082 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0032 µg/L

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0107 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0057 µg/L

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.009 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.004 µg/L

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0089 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0039 µg/L

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

perfluorodecanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorododecanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanesulfonic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanoic acid (22)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.01 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.01 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.01 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.01 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.01 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.01 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.01 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.01 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.01 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.01 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.01 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.01 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanesulfonic acid (22)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.03 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.03 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0062 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0032 µg/L

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0073 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0043 µg/L

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0063 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0033 µg/L

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0087 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0057 µg/L

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorononanoic acid (22)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.02 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.02 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.02 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanesulfonic acid (22)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.04 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.04 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.04 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.04 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.04 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.04 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.04 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.04 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.04 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.04 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.04 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.04 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanoic acid (22)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0042 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0002 µg/L

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.02 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.02 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.02 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanesulfonic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0054 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0024 µg/L

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0063 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0033 µg/L

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0049 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0019 µg/L

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

0.0063 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0033 µg/L

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorotetradecanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.008 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.008 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.008 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.008 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.008 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.008 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.008 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.008 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.008 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.008 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.008 µg/L
Reference Level: ?

Contaminant Details

perfluorotridecanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.007 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.007 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.007 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.007 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.007 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.007 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.007 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

perfluoroundecanoic acid (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

4/8/2024

23 months ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

2/27/2024

25 months ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.002 µg/L

Below Reporting Level

1/10/2024

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

10/9/2023

2 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.002 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.002 µg/L

Below Reporting Level

7/11/2023

2 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.002 µg/L

Below Reporting Level

7/11/2023

2 years ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

profenofos (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.3 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L

Contaminant Details

quinoline (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.02 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.02 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.02 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (16)

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<1 µg/L

Below Reporting Level

9/23/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<1 µg/L

Below Reporting Level

6/16/2003

22 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<1 µg/L

Below Reporting Level

6/16/2003

22 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<1 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<1 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<1 µg/L

Below Reporting Level

3/25/2003

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<1 µg/L

Below Reporting Level

3/25/2003

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<1 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<1 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<1 µg/L

Below Reporting Level

12/10/2002

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<1 µg/L

Below Reporting Level

9/4/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<1 µg/L

Below Reporting Level

9/4/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<1 µg/L

Below Reporting Level

9/4/2002

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<1 µg/L

Below Reporting Level

9/4/2002

23 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

strontium (16)

Entry Point to Dist. System

Alum Creek WTP ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 229.7 µg/L

2/11/2015

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

440 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 439.7 µg/L

2/10/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

420 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 419.7 µg/L

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

2200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 2199.7 µg/L

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

410 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 409.7 µg/L

11/17/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

410 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 409.7 µg/L

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

220 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 219.7 µg/L

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

120 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 119.7 µg/L

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 199.7 µg/L

8/12/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

410 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 409.7 µg/L

8/5/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

390 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 389.7 µg/L

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

100 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 99.7 µg/L

5/21/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

2600 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 2599.7 µg/L

5/13/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 229.7 µg/L

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

340 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 339.7 µg/L

5/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

340 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 339.7 µg/L

5/5/2014

11 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

tebuconazole (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L

Contaminant Details

terbacil (16)

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

9/23/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

6/16/2003

22 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

3/25/2003

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

12/10/2002

23 years ago

OLENTANGY LAB SINK

DEL-CO WATER OLENTANGY PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

ALUM CREEK PLANT LAB SINK

DEL-CO WATER ALUM CREEK PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

EAST KNOX PLANT LAB SINK

DEL-CO WATER EAST KNOX PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

OLD STATE PLANT LAB SINK

DEL-CO WATER OLD STATE WATER PLANT ℹ️

<2 µg/L

Below Reporting Level

9/4/2002

23 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

testosterone (12)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0001 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0001 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.0001 µg/L

Below Reporting Level

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0001 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0001 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.0001 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0001 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0001 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.0001 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.0001 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.0001 µg/L

Below Reporting Level

5/13/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.0001 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.0001 µg/L
Reference Level: ?

Contaminant Details

total microcystins (16)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

9/18/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/15/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/15/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/1/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/1/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/2/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/2/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

Total Permethrin (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.04 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.04 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.04 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.04 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.04 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.04 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.04 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.04 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.04 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.04 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L

Contaminant Details

tribufos (10)

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.07 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.07 µg/L

Below Reporting Level

3/5/2019

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.07 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.07 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.07 µg/L

Below Reporting Level

12/4/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.07 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.07 µg/L

Below Reporting Level

9/5/2018

7 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.07 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.07 µg/L

Below Reporting Level

6/5/2018

7 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

<0.07 µg/L

Below Reporting Level

6/5/2018

7 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L

Contaminant Details

vanadium (16)

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2015

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/10/2015

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

<0.2 µg/L

Below Reporting Level

2/10/2015

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

0.35 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.15 µg/L

11/18/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

<0.2 µg/L

Below Reporting Level

11/17/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.2 µg/L

Below Reporting Level

8/19/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/12/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2014

11 years ago

EPTDS from Old State Road Plant

TF McNamra WTF ℹ️

<0.2 µg/L

Below Reporting Level

5/21/2014

11 years ago

Entry Point to Dist. System

East Knox WTP ℹ️

0.34 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.14 µg/L

5/13/2014

11 years ago

Entry Point to Dist. System

Alum Creek WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution system ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.02 µg/L

5/5/2014

11 years ago

Entry Point to Dist. System

Olentangy WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/5/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Sampling Facilities

Olentangy WTP
Surface Water (SW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Alum Creek WTP
Surface Water (SW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

East Knox WTP
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Distribution system
Multiple Sources (MX)

55 Lazelle Road (Willow Brook)Distribution System (DS)

61 North Third Street (Ostrander School)Distribution System (DS)

8961 Polaris Parkway (Donatos Pizza)Distribution System (DS)

1680 East Orange Road (Orange Township Fire)Distribution System (DS)

6658 Olentangy River Road (Del-Co Administration)Distribution System (DS)

7259 Penn Road (Mill Creek Golf Club)Distribution System (DS)

7080 Olentangy River Road (Liberty Church)Distribution System (DS)

6195 Glick Road (Wendy's)Distribution System (DS)

Max. Res. Time in Dist. SystemMaximum Residence Time (MR)

TF McNamra WTF
Surface Water (SW)

EPTDS from Old State Road PlantEntry Point to the Distribution System (EP)

Del-Co Olentangy Plant
Surface Water (SW)

Del-Co Olentangy P01 EP001Entry Point to the Distribution System (EP)

Del-Co Alum Creek Plant
Surface Water (SW)

Del-Co Alum Creek P02 EP002Entry Point to the Distribution System (EP)

Del-Co East Knox Plant
Ground Water (GW)

Del-Co East Knox Plant P03 EP003Entry Point to the Distribution System (EP)

Del-Co Old State Water Treatment Facility
Surface Water (SW)

Del-Co Old State Road Plant P04 EP004Entry Point to the Distribution System (EP)

Alum Creek Plant Distribution System
Surface Water (SW)

Del-Co Alum Creek MR002Maximum Residence Time (MR)

East Knox Plant Distribution System
Ground Water (GW)

Del-Co East Knox Plant MR003Maximum Residence Time (MR)

Old State WTF Distribution System
Surface Water (SW)

Del-Co Old State Road Plant MR004Maximum Residence Time (MR)

DEL-CO WATER OLENTANGY PLANT
Surface Water (SW)

OLENTANGY LAB SINKEntry Point to the Distribution System (EP)

DEL-CO WATER ALUM CREEK PLANT
Surface Water (SW)

ALUM CREEK PLANT LAB SINKEntry Point to the Distribution System (EP)

DEL-CO WATER EAST KNOX PLANT
Ground Water (GW)

EAST KNOX PLANT LAB SINKEntry Point to the Distribution System (EP)

DEL-CO WATER OLD STATE WATER PLANT
Surface Water (SW)

OLD STATE PLANT LAB SINKEntry Point to the Distribution System (EP)

FAQ

Is Delaware County Water Company, Inc. tap water safe to drink?

When was Delaware County Water Company, Inc. last tested for water contamination?

The latest water samples were taken on April 8th, 2024.