City of Piqua (OH) Water Quality

City of Piqua is a large public water system in EPA region 5 that provides tap water for the 45356 zip codes. It has 7 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of 2-methoxyethanol was 7.454 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 22.55 µg/L. The maximum reported level of Manganese was 0.47 µg/L. There were 3 contamintants found in the City of Piqua 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 (4)
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 (5)
ethoprop (4)
Germanium (4)
HAA5 (five regulated haloacetic acids) (12)
HAA6Br (six brominated haloacetic acids) (12)
HAA9 (nine haloacetic acids) (12)
hexafluoropropylene oxide dimer acid (GenX) (2)
lithium (2)
Manganese (4)
methyl-tertiary-butyl-ether (MTBE) (5)
molinate (5)
molybdenum (8)
N-ethyl perfluorooctanesulfonamidoacetic acid (2)
N-methyl perfluorooctanesulfonamidoacetic acid (2)
nitrobenzene (5)
nonafluoro-3,6-dioxaheptanoic acid (2)
o-toluidine (4)
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 (4)
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)

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

1,2,3-trichloropropane (4)

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

1,3-butadiene (4)

EPTDS from WTP

Piqua WTP ℹ️

<0.1 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.1 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.1 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.1 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

1,4-dioxane (4)

EPTDS from WTP

Piqua WTP ℹ️

<0.07 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.07 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.07 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.07 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

1-butanol (4)

Entry Point

City of Piqua ℹ️

<2 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<2 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<2 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<2 µg/L

Below Reporting Level

9/10/2019

6 years ago

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

Contaminant Details

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

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

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

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

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

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

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

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

2,4-dinitrotoluene (5)

ℹ️

<2 µg/L

Below Reporting Level

10/2/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

4/2/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

2/5/2002

23 years ago

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

Contaminant Details

2,6-dinitrotoluene (5)

ℹ️

<2 µg/L

Below Reporting Level

10/2/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

4/2/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

2/5/2002

23 years ago

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

Contaminant Details

2-methoxyethanol (4)

Entry Point

City of Piqua ℹ️

<0.4 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.4 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

7.454 µg/L

Meets Reporting Threshold

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.4 µg/L

Below Reporting Level

9/10/2019

6 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

City of Piqua ℹ️

<0.5 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.5 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.5 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.5 µg/L

Below Reporting Level

9/10/2019

6 years ago

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

Contaminant Details

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

ℹ️

<0.8 µg/L

Below Reporting Level

10/2/2002

23 years ago

ℹ️

<0.8 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<0.8 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<0.8 µg/L

Below Reporting Level

4/2/2002

23 years ago

ℹ️

<0.8 µg/L

Below Reporting Level

2/5/2002

23 years ago

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

Contaminant Details

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

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

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

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.002 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.002 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (4)

Entry Point

City of Piqua ℹ️

<0.01 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.01 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.01 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.01 µg/L

Below Reporting Level

10/22/2019

5 years ago

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

Contaminant Details

anatoxin-a (8)

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

8/28/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

8/14/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

7/5/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

6/6/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

5/22/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

5/8/2018

7 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (4)

EPTDS from WTP

Piqua WTP ℹ️

<0.06 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.06 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.06 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.06 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

bromomethane (4)

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

Butylated Hydroxyanisole (4)

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2019

6 years ago

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

Contaminant Details

chlorate (8)

Max. Res. Time in Dist. System

Distribution System ℹ️

<20 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<20 µg/L

Below Reporting Level

7/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<20 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<20 µg/L

Below Reporting Level

4/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<20 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<20 µg/L

Below Reporting Level

1/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<20 µg/L

Below Reporting Level

10/7/2013

12 years ago

EPTDS from WTP

Piqua WTP ℹ️

<20 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (4)

EPTDS from WTP

Piqua WTP ℹ️

<0.08 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.08 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.08 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.08 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

chloromethane (4)

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

chlorpyrifos (4)

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

10/22/2019

5 years ago

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

Contaminant Details

chromium (8)

EPTDS from WTP

Piqua WTP ℹ️

0.278 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.078 µg/L

7/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.258 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.058 µg/L

7/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

0.205 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.005 µg/L

1/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

1/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.273 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.073 µg/L

10/7/2013

12 years ago

EPTDS from WTP

Piqua WTP ℹ️

0.243 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.043 µg/L

10/7/2013

12 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

0.241 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.211 µg/L

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

0.223 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.193 µg/L

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

0.132 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.102 µg/L

4/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.115 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.085 µg/L

4/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.169 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.139 µg/L

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

0.154 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.124 µg/L

1/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.237 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.207 µg/L

10/7/2013

12 years ago

EPTDS from WTP

Piqua WTP ℹ️

0.227 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.197 µg/L

10/7/2013

12 years ago

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

Contaminant Details

cobalt (8)

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<1 µg/L

Below Reporting Level

7/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<1 µg/L

Below Reporting Level

4/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<1 µg/L

Below Reporting Level

1/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<1 µg/L

Below Reporting Level

10/7/2013

12 years ago

EPTDS from WTP

Piqua WTP ℹ️

<1 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

cylindrospermopsin (8)

Entry Point

City of Piqua ℹ️

<0.09 µg/L

Below Reporting Level

8/28/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.09 µg/L

Below Reporting Level

8/14/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.09 µg/L

Below Reporting Level

7/5/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.09 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.09 µg/L

Below Reporting Level

6/6/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.09 µg/L

Below Reporting Level

5/22/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.09 µg/L

Below Reporting Level

5/8/2018

7 years ago

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

Contaminant Details

dimethipin (4)

Entry Point

City of Piqua ℹ️

<0.2 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.2 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.2 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.2 µg/L

Below Reporting Level

10/22/2019

5 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (5)

ℹ️

<1 µg/L

Below Reporting Level

10/2/2002

23 years ago

ℹ️

<1 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<1 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<1 µg/L

Below Reporting Level

4/2/2002

23 years ago

ℹ️

<1 µg/L

Below Reporting Level

2/5/2002

23 years ago

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

Contaminant Details

ethoprop (4)

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.03 µg/L

Below Reporting Level

10/22/2019

5 years ago

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

Contaminant Details

Germanium (4)

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

9/10/2019

6 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (12)

1500 South Main

Distribution System ℹ️

12.1 µg/L

Meets Reporting Threshold

6/16/2020

5 years ago

839 South Main

Distribution System ℹ️

11.8 µg/L

Meets Reporting Threshold

6/16/2020

5 years ago

200 North Sunset

Distribution System ℹ️

10.1 µg/L

Meets Reporting Threshold

6/16/2020

5 years ago

8605 Hetzler Rd

Distribution System ℹ️

10 µg/L

Meets Reporting Threshold

6/16/2020

5 years ago

1500 South Main

Distribution System ℹ️

14.8 µg/L

Meets Reporting Threshold

12/10/2019

5 years ago

839 South Main

Distribution System ℹ️

13.8 µg/L

Meets Reporting Threshold

12/10/2019

5 years ago

8605 Hetzler Rd

Distribution System ℹ️

11.8 µg/L

Meets Reporting Threshold

12/10/2019

5 years ago

200 North Sunset

Distribution System ℹ️

11 µg/L

Meets Reporting Threshold

12/10/2019

5 years ago

200 North Sunset

Distribution System ℹ️

22.55 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

839 South Main

Distribution System ℹ️

20.67 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

8605 Hetzler Rd

Distribution System ℹ️

12.17 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

1500 South Main

Distribution System ℹ️

8.27 µg/L

Meets Reporting Threshold

9/10/2019

6 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (12)

1500 South Main

Distribution System ℹ️

6.88 µg/L

6/16/2020

5 years ago

839 South Main

Distribution System ℹ️

6.79 µg/L

6/16/2020

5 years ago

200 North Sunset

Distribution System ℹ️

6.08 µg/L

6/16/2020

5 years ago

8605 Hetzler Rd

Distribution System ℹ️

6.03 µg/L

6/16/2020

5 years ago

1500 South Main

Distribution System ℹ️

8 µg/L

12/10/2019

5 years ago

839 South Main

Distribution System ℹ️

7.7 µg/L

12/10/2019

5 years ago

8605 Hetzler Rd

Distribution System ℹ️

6.8 µg/L

12/10/2019

5 years ago

200 North Sunset

Distribution System ℹ️

6.4 µg/L

12/10/2019

5 years ago

200 North Sunset

Distribution System ℹ️

9.93 µg/L

9/10/2019

6 years ago

839 South Main

Distribution System ℹ️

9.27 µg/L

9/10/2019

6 years ago

8605 Hetzler Rd

Distribution System ℹ️

7.47 µg/L

9/10/2019

6 years ago

1500 South Main

Distribution System ℹ️

5.54 µg/L

9/10/2019

6 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (12)

1500 South Main

Distribution System ℹ️

17.38 µg/L

6/16/2020

5 years ago

839 South Main

Distribution System ℹ️

16.99 µg/L

6/16/2020

5 years ago

200 North Sunset

Distribution System ℹ️

14.78 µg/L

6/16/2020

5 years ago

8605 Hetzler Rd

Distribution System ℹ️

14.63 µg/L

6/16/2020

5 years ago

1500 South Main

Distribution System ℹ️

21.1 µg/L

12/10/2019

5 years ago

839 South Main

Distribution System ℹ️

19.9 µg/L

12/10/2019

5 years ago

8605 Hetzler Rd

Distribution System ℹ️

17.2 µg/L

12/10/2019

5 years ago

200 North Sunset

Distribution System ℹ️

16.1 µg/L

12/10/2019

5 years ago

200 North Sunset

Distribution System ℹ️

30.39 µg/L

9/10/2019

6 years ago

839 South Main

Distribution System ℹ️

27.79 µg/L

9/10/2019

6 years ago

8605 Hetzler Rd

Distribution System ℹ️

17.87 µg/L

9/10/2019

6 years ago

1500 South Main

Distribution System ℹ️

12.66 µg/L

9/10/2019

6 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

lithium (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<9 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<9 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

Manganese (4)

Entry Point

City of Piqua ℹ️

<0.4 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.4 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

0.47 µg/L

Meets Reporting Threshold

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.4 µg/L

Below Reporting Level

9/10/2019

6 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (5)

ℹ️

<5 µg/L

Below Reporting Level

10/2/2002

23 years ago

ℹ️

<5 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<5 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<5 µg/L

Below Reporting Level

4/2/2002

23 years ago

ℹ️

<5 µg/L

Below Reporting Level

2/5/2002

23 years ago

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

Contaminant Details

molinate (5)

ℹ️

<0.9 µg/L

Below Reporting Level

10/2/2002

23 years ago

ℹ️

<0.9 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<0.9 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<0.9 µg/L

Below Reporting Level

4/2/2002

23 years ago

ℹ️

<0.9 µg/L

Below Reporting Level

2/5/2002

23 years ago

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

Contaminant Details

molybdenum (8)

EPTDS from WTP

Piqua WTP ℹ️

3.911 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.911 µg/L

7/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

3.28 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.28 µg/L

7/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

2.081 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.081 µg/L

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

1.999 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.999 µg/L

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

2.466 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.466 µg/L

1/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

2.332 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.332 µg/L

1/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

6.472 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 5.472 µg/L

10/7/2013

12 years ago

EPTDS from WTP

Piqua WTP ℹ️

5.13 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 4.13 µg/L

10/7/2013

12 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.006 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.006 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

nitrobenzene (5)

ℹ️

<10 µg/L

Below Reporting Level

10/2/2002

23 years ago

ℹ️

<10 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<10 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<10 µg/L

Below Reporting Level

4/2/2002

23 years ago

ℹ️

<10 µg/L

Below Reporting Level

2/5/2002

23 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.02 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.02 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

o-toluidine (4)

Entry Point

City of Piqua ℹ️

<0.007 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.007 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.007 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.007 µg/L

Below Reporting Level

9/10/2019

6 years ago

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

Contaminant Details

oxyfluorfen (4)

Entry Point

City of Piqua ℹ️

<0.05 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.05 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.05 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.05 µg/L

Below Reporting Level

10/22/2019

5 years ago

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

Contaminant Details

perchlorate (4)

ℹ️

<4 µg/L

Below Reporting Level

10/7/2002

23 years ago

ℹ️

<4 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<4 µg/L

Below Reporting Level

4/2/2002

23 years ago

ℹ️

<4 µg/L

Below Reporting Level

2/5/2002

23 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.004 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.004 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (6)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

EPTDS from WTP

Piqua WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.09 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.09 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.09 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

perfluorobutanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.005 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluorodecanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluorododecanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluoroheptanoic acid (6)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

EPTDS from WTP

Piqua WTP ℹ️

<0.01 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.01 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.01 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.01 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (6)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.03 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

perfluorohexanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluorononanoic acid (6)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.004 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.004 µg/L

Below Reporting Level

2/10/2025

8 months ago

EPTDS from WTP

Piqua WTP ℹ️

<0.02 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.02 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.02 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.02 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (6)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.004 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.004 µg/L

Below Reporting Level

2/10/2025

8 months ago

EPTDS from WTP

Piqua WTP ℹ️

<0.04 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.04 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.04 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.04 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

perfluorooctanoic acid (6)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.004 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.004 µg/L

Below Reporting Level

2/10/2025

8 months ago

EPTDS from WTP

Piqua WTP ℹ️

<0.02 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.02 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.02 µg/L

Below Reporting Level

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.02 µg/L

Below Reporting Level

10/7/2013

12 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.004 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.004 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluoropentanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.003 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluorotetradecanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.008 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.008 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluorotridecanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.007 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.007 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

perfluoroundecanoic acid (2)

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.002 µg/L

Below Reporting Level

5/6/2025

5 months ago

Plant Tap (EP002)

Piqua WTP (9801 State Route 66) ℹ️

<0.002 µg/L

Below Reporting Level

2/10/2025

8 months ago

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

Contaminant Details

profenofos (4)

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

10/22/2019

5 years ago

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

Contaminant Details

quinoline (4)

Entry Point

City of Piqua ℹ️

<0.02 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.02 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.02 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2019

6 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (5)

ℹ️

<1 µg/L

Below Reporting Level

10/2/2002

23 years ago

ℹ️

<1 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<1 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<1 µg/L

Below Reporting Level

4/2/2002

23 years ago

ℹ️

<1 µg/L

Below Reporting Level

2/5/2002

23 years ago

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

Contaminant Details

strontium (8)

Max. Res. Time in Dist. System

Distribution System ℹ️

436.968 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 436.668 µg/L

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

412.41 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 412.11 µg/L

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

421.878 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 421.578 µg/L

4/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

407.692 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 407.392 µg/L

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

196.094 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 195.794 µg/L

1/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

160.232 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 159.932 µg/L

1/13/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

709.733 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 709.433 µg/L

10/7/2013

12 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

703.022 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 702.722 µg/L

10/7/2013

12 years ago

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

Contaminant Details

tebuconazole (4)

Entry Point

City of Piqua ℹ️

<0.2 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.2 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.2 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.2 µg/L

Below Reporting Level

10/22/2019

5 years ago

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

Contaminant Details

terbacil (5)

ℹ️

<2 µg/L

Below Reporting Level

10/2/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

7/8/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

4/2/2002

23 years ago

ℹ️

<2 µg/L

Below Reporting Level

2/5/2002

23 years ago

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

Contaminant Details

total microcystins (8)

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

8/28/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

8/14/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

7/17/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

7/5/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

6/19/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

6/6/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

5/22/2018

7 years ago

Entry Point

City of Piqua ℹ️

<0.3 µg/L

Below Reporting Level

5/8/2018

7 years ago

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

Contaminant Details

Total Permethrin (4)

Entry Point

City of Piqua ℹ️

<0.04 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.04 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.04 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.04 µg/L

Below Reporting Level

10/22/2019

5 years ago

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

Contaminant Details

tribufos (4)

Entry Point

City of Piqua ℹ️

<0.07 µg/L

Below Reporting Level

6/16/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.07 µg/L

Below Reporting Level

3/10/2020

5 years ago

Entry Point

City of Piqua ℹ️

<0.07 µg/L

Below Reporting Level

12/10/2019

5 years ago

Entry Point

City of Piqua ℹ️

<0.07 µg/L

Below Reporting Level

10/22/2019

5 years ago

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

Contaminant Details

vanadium (8)

Max. Res. Time in Dist. System

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

7/14/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

<0.2 µg/L

Below Reporting Level

4/14/2014

11 years ago

EPTDS from WTP

Piqua WTP ℹ️

0.439 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.239 µg/L

1/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.291 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.091 µg/L

1/13/2014

11 years ago

Max. Res. Time in Dist. System

Distribution System ℹ️

0.272 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.072 µg/L

10/7/2013

12 years ago

EPTDS from WTP

Piqua WTP ℹ️

0.208 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.008 µg/L

10/7/2013

12 years ago

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

Contaminant Details

Sampling Facilities

Piqua WTP (9801 State Route 66)
Surface Water (SW)

Plant Tap (EP002)Entry Point to the Distribution System (EP)

City of Piqua
Surface Water (SW)

Entry PointEntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

1500 South MainDistribution System (DS)

8605 Hetzler RdDistribution System (DS)

200 North SunsetDistribution System (DS)

839 South MainDistribution System (DS)

Distribution System
Surface Water (SW)

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

Piqua WTP
Surface Water (SW)

EPTDS from WTPEntry Point to the Distribution System (EP)

Piqua
Surface Water (SW)

Piqua, City Of P01 EP001Entry Point to the Distribution System (EP)

Surface Water (SW)

Entry Point to the Distribution System (EP)

FAQ

Is City of Piqua tap water safe to drink?

When was City of Piqua last tested for water contamination?

The latest water samples were taken on May 6th, 2025.