Yankton (SD) Water Quality

Yankton is a large public water system in EPA region 8 that provides tap water for the 57078 zip codes. It has 3 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 28.09 µg/L. The maximum reported level of Manganese was 0.5 µg/L. There were 2 contamintants found in the Yankton water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (4)
1,2,3-trichloropropane (4)
1,3-butadiene (4)
1,4-dioxane (4)
1-butanol (4)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)
1H,1H,2H,2H-perfluorodecane sulfonic acid (2)
1H,1H,2H,2H-perfluorohexane sulfonic acid (2)
1H,1H,2H,2H-perfluorooctane sulfonic acid (2)
2,4-dinitrotoluene (5)
2,6-dinitrotoluene (5)
2-methoxyethanol (4)
2-propen-1-ol (Allyl Alcohol) (4)
4,4'-dichloro dichlorophenyl ethylene (DDE) (5)
4,8-dioxa-3H-perfluorononanoic acid (2)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)
alpha-hexachlorocyclohexane (4)
anatoxin-a (8)
bromochloromethane (Halon 1011) (4)
bromomethane (4)
Butylated Hydroxyanisole (2)
chlorate (8)
chlorodifluoromethane (HCFC-22) (4)
chloromethane (4)
chlorpyrifos (4)
chromium (8)
chromium-6 (8)
cobalt (8)
cylindrospermopsin (8)
dimethipin (4)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (4)
ethoprop (4)
Germanium (3)
HAA5 (five regulated haloacetic acids) (16)
HAA6Br (six brominated haloacetic acids) (16)
HAA9 (nine haloacetic acids) (16)
hexafluoropropylene oxide dimer acid (GenX) (2)
lithium (2)
Manganese (3)
methyl-tertiary-butyl-ether (MTBE) (4)
molinate (5)
molybdenum (8)
N-ethyl perfluorooctanesulfonamidoacetic acid (2)
N-methyl perfluorooctanesulfonamidoacetic acid (2)
nitrobenzene (4)
nonafluoro-3,6-dioxaheptanoic acid (2)
o-toluidine (2)
oxyfluorfen (4)
perchlorate (4)
perfluoro(2-ethoxyethane)sulfonic acid (2)
perfluoro-3-methoxypropanoic acid (2)
perfluoro-4-methoxybutanoic acid (2)
perfluorobutanesulfonic acid (6)
perfluorobutanoic acid (2)
perfluorodecanoic acid (2)
perfluorododecanoic acid (2)
perfluoroheptanesulfonic acid (2)
perfluoroheptanoic acid (6)
perfluorohexanesulfonic acid (6)
perfluorohexanoic acid (2)
perfluorononanoic acid (6)
perfluorooctanesulfonic acid (6)
perfluorooctanoic acid (6)
perfluoropentanesulfonic acid (2)
perfluoropentanoic acid (2)
perfluorotetradecanoic acid (2)
perfluorotridecanoic acid (2)
perfluoroundecanoic acid (2)
profenofos (4)
quinoline (2)
s-ethyl-dipropylthiocarbamate (EPTC) (5)
strontium (8)
tebuconazole (4)
terbacil (5)
total microcystins (8)
Total Permethrin (4)
tribufos (4)
vanadium (8)

1,1-dichloroethane (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

1,2,3-trichloropropane (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

1,3-butadiene (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.1 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.1 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.1 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.1 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

1,4-dioxane (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

1-butanol (4)

Entry Point Tap

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

6/11/2018

7 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

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

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

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

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

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

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

2,4-dinitrotoluene (5)

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

3/24/2003

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

11/14/2002

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

9/23/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

6/17/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

3/11/2002

23 years ago

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

Contaminant Details

2,6-dinitrotoluene (5)

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

3/24/2003

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

11/14/2002

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

9/23/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

6/17/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

3/11/2002

23 years ago

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

Contaminant Details

2-methoxyethanol (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

6/11/2018

7 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.5 µg/L

Below Reporting Level

6/11/2018

7 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (5)

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<0.8 µg/L

Below Reporting Level

3/24/2003

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<0.8 µg/L

Below Reporting Level

11/14/2002

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<0.8 µg/L

Below Reporting Level

9/23/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<0.8 µg/L

Below Reporting Level

6/17/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<0.8 µg/L

Below Reporting Level

3/11/2002

23 years ago

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

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

7/17/2018

7 years ago

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

Contaminant Details

anatoxin-a (8)

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/6/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/23/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/2/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

6/4/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/21/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/7/2018

7 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.06 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.06 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.06 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.06 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

bromomethane (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

Butylated Hydroxyanisole (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

6/11/2018

7 years ago

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

Contaminant Details

chlorate (8)

Max. Res. Time in Dist. System

Distribution System ℹ️

130 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 110 µg/L

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

110 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 90 µg/L

8/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

96 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 76 µg/L

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

89 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 69 µg/L

5/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

77 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 57 µg/L

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

75 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 55 µg/L

2/27/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

240 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 220 µg/L

11/5/2013

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

220 µg/L

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

11/5/2013

11 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.08 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.08 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.08 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.08 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

chloromethane (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

chlorpyrifos (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2018

7 years ago

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

Contaminant Details

chromium (8)

Max. Res. Time in Dist. System

Distribution System ℹ️

0.26 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.06 µg/L

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.01 µg/L

8/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.27 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.07 µg/L

5/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.42 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.22 µg/L

4/10/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.29 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.09 µg/L

4/10/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

chromium-6 (8)

Max. Res. Time in Dist. System

Distribution System ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.18 µg/L

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.17 µg/L

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.17 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.14 µg/L

5/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.13 µg/L

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.24 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.21 µg/L

2/27/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.19 µg/L

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.14 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.11 µg/L

11/5/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.13 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.1 µg/L

11/5/2013

11 years ago

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

Contaminant Details

cobalt (8)

Entry Point Tap

New Treatment Plant 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

Entry Point Tap

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

5/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

4/10/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

4/10/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

11/5/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

cylindrospermopsin (8)

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

8/6/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

7/23/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

7/2/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

6/18/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

6/4/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

5/21/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

5/7/2018

7 years ago

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

Contaminant Details

dimethipin (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2018

7 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (4)

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

11/14/2002

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

9/23/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

6/17/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

3/14/2002

23 years ago

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

Contaminant Details

ethoprop (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2018

7 years ago

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

Contaminant Details

Germanium (3)

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.41 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.11 µg/L

6/11/2018

7 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

Baldwin Filters

Distribution System ℹ️

17.95 µg/L

Meets Reporting Threshold

3/5/2019

6 years ago

Applied Engineering

Distribution System ℹ️

16.87 µg/L

Meets Reporting Threshold

3/5/2019

6 years ago

Wilson Trailer

Distribution System ℹ️

16.77 µg/L

Meets Reporting Threshold

3/5/2019

6 years ago

1003 17th St.

Distribution System ℹ️

16.16 µg/L

Meets Reporting Threshold

3/5/2019

6 years ago

Applied Engineering

Distribution System ℹ️

19.93 µg/L

Meets Reporting Threshold

12/4/2018

6 years ago

Baldwin Filters

Distribution System ℹ️

18.54 µg/L

Meets Reporting Threshold

12/4/2018

6 years ago

Wilson Trailer

Distribution System ℹ️

18.39 µg/L

Meets Reporting Threshold

12/4/2018

6 years ago

1003 17th St.

Distribution System ℹ️

18.3 µg/L

Meets Reporting Threshold

12/4/2018

6 years ago

1003 17th St.

Distribution System ℹ️

28.09 µg/L

Meets Reporting Threshold

10/16/2018

6 years ago

Applied Engineering

Distribution System ℹ️

27.4 µg/L

Meets Reporting Threshold

9/11/2018

7 years ago

Wilson Trailer

Distribution System ℹ️

24.83 µg/L

Meets Reporting Threshold

9/11/2018

7 years ago

Baldwin Filters

Distribution System ℹ️

24.7 µg/L

Meets Reporting Threshold

9/11/2018

7 years ago

1003 17th St.

Distribution System ℹ️

14.62 µg/L

Meets Reporting Threshold

6/11/2018

7 years ago

Applied Engineering

Distribution System ℹ️

14.18 µg/L

Meets Reporting Threshold

6/11/2018

7 years ago

Baldwin Filters

Distribution System ℹ️

12.94 µg/L

Meets Reporting Threshold

6/11/2018

7 years ago

Wilson Trailer

Distribution System ℹ️

12.2 µg/L

Meets Reporting Threshold

6/11/2018

7 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (16)

Applied Engineering

Distribution System ℹ️

13.77 µg/L

3/5/2019

6 years ago

Baldwin Filters

Distribution System ℹ️

13.75 µg/L

3/5/2019

6 years ago

Wilson Trailer

Distribution System ℹ️

13.27 µg/L

3/5/2019

6 years ago

1003 17th St.

Distribution System ℹ️

10.96 µg/L

3/5/2019

6 years ago

Applied Engineering

Distribution System ℹ️

10.43 µg/L

12/4/2018

6 years ago

Baldwin Filters

Distribution System ℹ️

9.61 µg/L

12/4/2018

6 years ago

Wilson Trailer

Distribution System ℹ️

9.36 µg/L

12/4/2018

6 years ago

1003 17th St.

Distribution System ℹ️

9.1 µg/L

12/4/2018

6 years ago

1003 17th St.

Distribution System ℹ️

15.29 µg/L

10/16/2018

6 years ago

Applied Engineering

Distribution System ℹ️

12 µg/L

9/11/2018

7 years ago

Baldwin Filters

Distribution System ℹ️

11.2 µg/L

9/11/2018

7 years ago

Wilson Trailer

Distribution System ℹ️

10.93 µg/L

9/11/2018

7 years ago

1003 17th St.

Distribution System ℹ️

8.52 µg/L

6/11/2018

7 years ago

Baldwin Filters

Distribution System ℹ️

8.44 µg/L

6/11/2018

7 years ago

Applied Engineering

Distribution System ℹ️

8.38 µg/L

6/11/2018

7 years ago

Wilson Trailer

Distribution System ℹ️

7 µg/L

6/11/2018

7 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (16)

Baldwin Filters

Distribution System ℹ️

28.75 µg/L

3/5/2019

6 years ago

Applied Engineering

Distribution System ℹ️

27.67 µg/L

3/5/2019

6 years ago

Wilson Trailer

Distribution System ℹ️

27.17 µg/L

3/5/2019

6 years ago

1003 17th St.

Distribution System ℹ️

24.56 µg/L

3/5/2019

6 years ago

Applied Engineering

Distribution System ℹ️

27.63 µg/L

12/4/2018

6 years ago

Baldwin Filters

Distribution System ℹ️

25.61 µg/L

12/4/2018

6 years ago

Wilson Trailer

Distribution System ℹ️

25.36 µg/L

12/4/2018

6 years ago

1003 17th St.

Distribution System ℹ️

25 µg/L

12/4/2018

6 years ago

1003 17th St.

Distribution System ℹ️

40.59 µg/L

10/16/2018

6 years ago

Applied Engineering

Distribution System ℹ️

37.1 µg/L

9/11/2018

7 years ago

Baldwin Filters

Distribution System ℹ️

33.7 µg/L

9/11/2018

7 years ago

Wilson Trailer

Distribution System ℹ️

33.33 µg/L

9/11/2018

7 years ago

1003 17th St.

Distribution System ℹ️

20.92 µg/L

6/11/2018

7 years ago

Applied Engineering

Distribution System ℹ️

20.38 µg/L

6/11/2018

7 years ago

Baldwin Filters

Distribution System ℹ️

18.84 µg/L

6/11/2018

7 years ago

Wilson Trailer

Distribution System ℹ️

17.6 µg/L

6/11/2018

7 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

lithium (2)

Entry Point Tap

New Treatment Plant ℹ️

69 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 60 µg/L

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 2 µg/L

7/11/2023

26 months ago

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

Contaminant Details

Manganese (3)

Entry Point Tap

New Treatment Plant ℹ️

0.4 µg/L

Meets Reporting Threshold

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.4 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.5 µg/L

Meets Reporting Threshold

6/11/2018

7 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (4)

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<5 µg/L

Below Reporting Level

11/14/2002

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<5 µg/L

Below Reporting Level

9/23/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<5 µg/L

Below Reporting Level

6/17/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<5 µg/L

Below Reporting Level

3/11/2002

23 years ago

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

Contaminant Details

molinate (5)

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<0.9 µg/L

Below Reporting Level

3/24/2003

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<0.9 µg/L

Below Reporting Level

11/14/2002

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<0.9 µg/L

Below Reporting Level

9/23/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<0.9 µg/L

Below Reporting Level

6/17/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<0.9 µg/L

Below Reporting Level

3/11/2002

23 years ago

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

Contaminant Details

molybdenum (8)

Entry Point Tap

New Treatment Plant ℹ️

3.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.4 µg/L

8/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

3.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.4 µg/L

8/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

3.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.4 µg/L

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

3.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.3 µg/L

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.8 µg/L

4/10/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.6 µg/L

4/10/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.9 µg/L

11/5/2013

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.9 µg/L

11/5/2013

11 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.006 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.006 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

nitrobenzene (4)

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<10 µg/L

Below Reporting Level

11/14/2002

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<10 µg/L

Below Reporting Level

9/23/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<10 µg/L

Below Reporting Level

6/17/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<10 µg/L

Below Reporting Level

3/11/2002

23 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

o-toluidine (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.017 µg/L

⚠️ Exceeds Reporting Level of 0.007 µg/L by 0.01 µg/L

6/11/2018

7 years ago

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

Contaminant Details

oxyfluorfen (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.05 µg/L

Below Reporting Level

7/17/2018

7 years ago

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

Contaminant Details

perchlorate (4)

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<4 µg/L

Below Reporting Level

11/14/2002

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<4 µg/L

Below Reporting Level

9/23/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<4 µg/L

Below Reporting Level

6/17/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<4 µg/L

Below Reporting Level

3/11/2002

23 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (6)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.09 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

perfluorobutanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.005 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluorodecanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluorododecanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluoroheptanoic acid (6)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.01 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (6)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

perfluorohexanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluorononanoic acid (6)

Entry Point Tap

New Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

26 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (6)

Entry Point Tap

New Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

26 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

perfluorooctanoic acid (6)

Entry Point Tap

New Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

26 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

2/27/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

11/5/2013

11 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.004 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluoropentanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.003 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluorotetradecanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.008 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.008 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluorotridecanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.007 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

perfluoroundecanoic acid (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

1/15/2024

20 months ago

Entry Point Tap

New Treatment Plant ℹ️

<0.002 µg/L

Below Reporting Level

7/11/2023

26 months ago

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

Contaminant Details

profenofos (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

7/17/2018

7 years ago

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

Contaminant Details

quinoline (2)

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.02 µg/L

Below Reporting Level

6/11/2018

7 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (5)

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

3/24/2003

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

11/14/2002

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

9/23/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

6/17/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<1 µg/L

Below Reporting Level

3/11/2002

23 years ago

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

Contaminant Details

strontium (8)

Max. Res. Time in Dist. System

Distribution System ℹ️

590 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 589.7 µg/L

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

530 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 529.7 µg/L

8/5/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

460 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 459.7 µg/L

5/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

460 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 459.7 µg/L

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

640 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 639.7 µg/L

4/10/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

500 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 499.7 µg/L

4/10/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

480 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 479.7 µg/L

11/5/2013

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

11/5/2013

11 years ago

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

Contaminant Details

tebuconazole (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.2 µg/L

Below Reporting Level

7/17/2018

7 years ago

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

Contaminant Details

terbacil (5)

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

3/24/2003

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

11/14/2002

22 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

9/23/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

6/17/2002

23 years ago

NEW TREATMENT PLANT 0000004

New Treatment Plant ℹ️

<2 µg/L

Below Reporting Level

3/11/2002

23 years ago

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

Contaminant Details

total microcystins (8)

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/20/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/6/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

7/23/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

7/2/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

6/18/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

6/4/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

5/21/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.3 µg/L

Below Reporting Level

5/7/2018

7 years ago

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

Contaminant Details

Total Permethrin (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.04 µg/L

Below Reporting Level

7/17/2018

7 years ago

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

Contaminant Details

tribufos (4)

Entry Point Tap

New Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

3/5/2019

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

12/4/2018

6 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

9/11/2018

7 years ago

Entry Point Tap

New Treatment Plant ℹ️

<0.07 µg/L

Below Reporting Level

7/17/2018

7 years ago

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

Contaminant Details

vanadium (8)

Entry Point Tap

New Treatment Plant ℹ️

0.77 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.57 µg/L

8/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.65 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.45 µg/L

8/5/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.78 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.58 µg/L

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.67 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.47 µg/L

5/14/2014

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.92 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.72 µg/L

4/10/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.65 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.45 µg/L

4/10/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.74 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.54 µg/L

11/5/2013

11 years ago

Entry Point Tap

New Treatment Plant ℹ️

0.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.5 µg/L

11/5/2013

11 years ago

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

Contaminant Details

Sampling Facilities

New Treatment Plant
Ground Water (GW)

Entry Point TapEntry Point to the Distribution System (EP)

NEW TREATMENT PLANT 0000004Entry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

Applied EngineeringDistribution System (DS)

1003 17th St.Distribution System (DS)

Baldwin FiltersDistribution System (DS)

Wilson TrailerDistribution System (DS)

Distribution System
Surface Water (SW)

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

FAQ

Is Yankton tap water safe to drink?

When was Yankton last tested for water contamination?

The latest water samples were taken on January 15th, 2024.