Wallingford Water Department (CT) Water Quality

Wallingford Water Department is a large public water system in EPA region 1 that provides tap water for the 06410, 06492 zip codes. It has 6 facilities where the water supply was tested for 54 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 27.6 µg/L. The maximum reported level of Manganese was 1.6 µg/L. There were 2 contamintants found in the Wallingford Water Department water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane
1,2,3-trichloropropane
1,3-butadiene
1,4-dioxane
1-butanol
2,4-dinitrotoluene
2,6-dinitrotoluene
2-methoxyethanol
2-propen-1-ol (Allyl Alcohol)
4,4'-dichloro dichlorophenyl ethylene (DDE)
alpha-hexachlorocyclohexane
anatoxin-a
bromochloromethane (Halon 1011)
bromomethane
Butylated Hydroxyanisole
chlorate
chlorodifluoromethane (HCFC-22)
chloromethane
chlorpyrifos
chromium
chromium-6
cobalt
cylindrospermopsin
dimethipin
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate
ethoprop
Germanium
HAA5 (five regulated haloacetic acids)
HAA6Br (six brominated haloacetic acids)
HAA9 (nine haloacetic acids)
Manganese
methyl-tertiary-butyl-ether (MTBE)
molinate
molybdenum
nitrobenzene
o-toluidine
oxyfluorfen
perchlorate
perfluorobutanesulfonic acid
perfluoroheptanoic acid
perfluorohexanesulfonic acid
perfluorononanoic acid
perfluorooctanesulfonic acid
perfluorooctanoic acid
profenofos
quinoline
s-ethyl-dipropylthiocarbamate (EPTC)
strontium
tebuconazole
terbacil
total microcystins
Total Permethrin
tribufos
vanadium

1,1-dichloroethane (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

1,2,3-trichloropropane (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

1,3-butadiene (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.1 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.1 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.1 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.1 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.1 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.1 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.1 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.1 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

1,4-dioxane (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.07 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.07 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.07 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.07 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.07 µg/L

Below Reporting Level

10/8/2013

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 3.53 µg/L

7/29/2013

12 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.07 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.07 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

1-butanol (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<2 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<2 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<2 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<2 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

2,4-dinitrotoluene (8)

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

10/17/2002

22 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

7/31/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<2 µg/L

Below Reporting Level

7/31/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<2 µg/L

Below Reporting Level

7/31/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

4/11/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

2/14/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<2 µg/L

Below Reporting Level

2/14/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<2 µg/L

Below Reporting Level

2/14/2002

23 years ago

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

Contaminant Details

2,6-dinitrotoluene (8)

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

10/17/2002

22 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

7/31/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<2 µg/L

Below Reporting Level

7/31/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<2 µg/L

Below Reporting Level

7/31/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

4/11/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

2/14/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<2 µg/L

Below Reporting Level

2/14/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<2 µg/L

Below Reporting Level

2/14/2002

23 years ago

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

Contaminant Details

2-methoxyethanol (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.4 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.4 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.4 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.4 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.4 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.4 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.4 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.4 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.5 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.5 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.5 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.5 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.5 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.5 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.5 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.5 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (8)

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<0.8 µg/L

Below Reporting Level

10/17/2002

22 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<0.8 µg/L

Below Reporting Level

7/31/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<0.8 µg/L

Below Reporting Level

7/31/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<0.8 µg/L

Below Reporting Level

7/31/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<0.8 µg/L

Below Reporting Level

4/11/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<0.8 µg/L

Below Reporting Level

2/14/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<0.8 µg/L

Below Reporting Level

2/14/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<0.8 µg/L

Below Reporting Level

2/14/2002

23 years ago

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

Contaminant Details

alpha-hexachlorocyclohexane (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.01 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.01 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.01 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.01 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.01 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.01 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.01 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.01 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

anatoxin-a (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

10/27/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

10/14/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

9/30/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

8/26/2020

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

8/12/2020

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

7/22/2020

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

7/8/2020

5 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.06 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.06 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.06 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.06 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.06 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.06 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.06 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.06 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

bromomethane (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

Butylated Hydroxyanisole (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

chlorate (16)

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<20 µg/L

Below Reporting Level

4/1/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<20 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

51 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 31 µg/L

2/19/2014

11 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

51 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 31 µg/L

2/19/2014

11 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

131 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 111 µg/L

1/22/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

130 µg/L

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

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

44 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 24 µg/L

1/21/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

42 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 22 µg/L

1/21/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

149 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 129 µg/L

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

66.2 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 46.2 µg/L

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

300 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 280 µg/L

7/29/2013

12 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

293 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 273 µg/L

7/29/2013

12 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

166 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 146 µg/L

7/29/2013

12 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

140 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 120 µg/L

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

133 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 113 µg/L

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

93.7 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 73.7 µg/L

7/29/2013

12 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.08 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.08 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.08 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.08 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.08 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.08 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.08 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.08 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

chloromethane (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

chlorpyrifos (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

chromium (16)

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

4/1/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

4/1/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2014

11 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

0.79 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.59 µg/L

2/19/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

0.7 µg/L

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

2/19/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

0.53 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.33 µg/L

2/18/2014

11 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

0.52 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.32 µg/L

2/18/2014

11 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

0.42 µg/L

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

1/28/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

0.38 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.18 µg/L

1/28/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

1/28/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

1/28/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

0.67 µg/L

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

1/22/2014

11 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

0.57 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.37 µg/L

1/22/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

0.25 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L

1/21/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

0.25 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L

11/13/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2013

11 years ago

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

Contaminant Details

chromium-6 (16)

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<0.03 µg/L

Below Reporting Level

4/1/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

4/1/2014

11 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

0.54 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.51 µg/L

2/19/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

0.52 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.49 µg/L

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

0.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.37 µg/L

1/22/2014

11 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

0.38 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.35 µg/L

1/22/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

0.049 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.019 µg/L

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

10/8/2013

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

0.57 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.54 µg/L

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

0.57 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.54 µg/L

7/29/2013

12 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

0.57 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.54 µg/L

7/29/2013

12 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

0.46 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.43 µg/L

7/29/2013

12 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

0.085 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.055 µg/L

7/29/2013

12 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

0.039 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.009 µg/L

7/29/2013

12 years ago

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

Contaminant Details

cobalt (16)

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

4/1/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<1 µg/L

Below Reporting Level

1/22/2014

11 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

1/22/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

1/21/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

10/8/2013

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

cylindrospermopsin (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

10/27/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

10/14/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

9/30/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

9/16/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

8/26/2020

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

8/12/2020

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

7/22/2020

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

7/8/2020

5 years ago

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

Contaminant Details

dimethipin (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

10/17/2002

22 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

7/31/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<1 µg/L

Below Reporting Level

7/31/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<1 µg/L

Below Reporting Level

7/31/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

4/11/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

1/29/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<1 µg/L

Below Reporting Level

1/29/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<1 µg/L

Below Reporting Level

1/29/2002

23 years ago

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

Contaminant Details

ethoprop (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

Germanium (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.3 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.3 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.3 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.3 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

MCGUIRE COURT

Distribution System ℹ️

20.156 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

19.315 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

5 STERLING DRIVE

Distribution System ℹ️

17.861 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

377 S CHERRY ST

Distribution System ℹ️

17.026 µg/L

Meets Reporting Threshold

12/5/2019

5 years ago

MCGUIRE COURT

Distribution System ℹ️

24.6 µg/L

Meets Reporting Threshold

9/12/2019

5 years ago

5 STERLING DRIVE

Distribution System ℹ️

17.4 µg/L

Meets Reporting Threshold

9/12/2019

5 years ago

377 S CHERRY ST

Distribution System ℹ️

16.6 µg/L

Meets Reporting Threshold

9/12/2019

5 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

16.4 µg/L

Meets Reporting Threshold

9/12/2019

5 years ago

377 S CHERRY ST

Distribution System ℹ️

27.6 µg/L

Meets Reporting Threshold

6/6/2019

6 years ago

MCGUIRE COURT

Distribution System ℹ️

27.4 µg/L

Meets Reporting Threshold

6/6/2019

6 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

23.4 µg/L

Meets Reporting Threshold

6/6/2019

6 years ago

5 STERLING DRIVE

Distribution System ℹ️

19.5 µg/L

Meets Reporting Threshold

6/6/2019

6 years ago

MCGUIRE COURT

Distribution System ℹ️

19.8 µg/L

Meets Reporting Threshold

3/7/2019

6 years ago

377 S CHERRY ST

Distribution System ℹ️

19 µg/L

Meets Reporting Threshold

3/7/2019

6 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

17.1 µg/L

Meets Reporting Threshold

3/7/2019

6 years ago

5 STERLING DRIVE

Distribution System ℹ️

14.7 µg/L

Meets Reporting Threshold

3/7/2019

6 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (16)

MCGUIRE COURT

Distribution System ℹ️

7.504 µg/L

12/5/2019

5 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

7.332 µg/L

12/5/2019

5 years ago

5 STERLING DRIVE

Distribution System ℹ️

7.063 µg/L

12/5/2019

5 years ago

377 S CHERRY ST

Distribution System ℹ️

6.758 µg/L

12/5/2019

5 years ago

MCGUIRE COURT

Distribution System ℹ️

6.8 µg/L

9/12/2019

5 years ago

377 S CHERRY ST

Distribution System ℹ️

5.8 µg/L

9/12/2019

5 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

5.3 µg/L

9/12/2019

5 years ago

5 STERLING DRIVE

Distribution System ℹ️

4.8 µg/L

9/12/2019

5 years ago

MCGUIRE COURT

Distribution System ℹ️

5.3 µg/L

6/6/2019

6 years ago

377 S CHERRY ST

Distribution System ℹ️

5.1 µg/L

6/6/2019

6 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

4.8 µg/L

6/6/2019

6 years ago

5 STERLING DRIVE

Distribution System ℹ️

3.3 µg/L

6/6/2019

6 years ago

377 S CHERRY ST

Distribution System ℹ️

4.3 µg/L

3/7/2019

6 years ago

MCGUIRE COURT

Distribution System ℹ️

4.2 µg/L

3/7/2019

6 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

4.1 µg/L

3/7/2019

6 years ago

5 STERLING DRIVE

Distribution System ℹ️

2.8 µg/L

3/7/2019

6 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (16)

MCGUIRE COURT

Distribution System ℹ️

27.66 µg/L

12/5/2019

5 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

26.647 µg/L

12/5/2019

5 years ago

5 STERLING DRIVE

Distribution System ℹ️

24.924 µg/L

12/5/2019

5 years ago

377 S CHERRY ST

Distribution System ℹ️

23.784 µg/L

12/5/2019

5 years ago

MCGUIRE COURT

Distribution System ℹ️

31.4 µg/L

9/12/2019

5 years ago

377 S CHERRY ST

Distribution System ℹ️

22.4 µg/L

9/12/2019

5 years ago

5 STERLING DRIVE

Distribution System ℹ️

22.2 µg/L

9/12/2019

5 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

21.7 µg/L

9/12/2019

5 years ago

377 S CHERRY ST

Distribution System ℹ️

32.7 µg/L

6/6/2019

6 years ago

MCGUIRE COURT

Distribution System ℹ️

32.7 µg/L

6/6/2019

6 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

28.2 µg/L

6/6/2019

6 years ago

5 STERLING DRIVE

Distribution System ℹ️

22.8 µg/L

6/6/2019

6 years ago

MCGUIRE COURT

Distribution System ℹ️

24 µg/L

3/7/2019

6 years ago

377 S CHERRY ST

Distribution System ℹ️

23.3 µg/L

3/7/2019

6 years ago

CHIMNEY HILL BLEEDER

Distribution System ℹ️

21.2 µg/L

3/7/2019

6 years ago

5 STERLING DRIVE

Distribution System ℹ️

17.5 µg/L

3/7/2019

6 years ago

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

Contaminant Details

Manganese (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

0.44 µg/L

Meets Reporting Threshold

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

0.86 µg/L

Meets Reporting Threshold

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

1.6 µg/L

Meets Reporting Threshold

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.4 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.4 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

1.4 µg/L

Meets Reporting Threshold

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.4 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.4 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (8)

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<5 µg/L

Below Reporting Level

10/17/2002

22 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<5 µg/L

Below Reporting Level

7/31/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<5 µg/L

Below Reporting Level

7/31/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<5 µg/L

Below Reporting Level

7/31/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<5 µg/L

Below Reporting Level

4/11/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<5 µg/L

Below Reporting Level

1/29/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<5 µg/L

Below Reporting Level

1/29/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<5 µg/L

Below Reporting Level

1/29/2002

23 years ago

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

Contaminant Details

molinate (8)

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<0.9 µg/L

Below Reporting Level

10/17/2002

22 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<0.9 µg/L

Below Reporting Level

7/31/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<0.9 µg/L

Below Reporting Level

7/31/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<0.9 µg/L

Below Reporting Level

7/31/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<0.9 µg/L

Below Reporting Level

4/11/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<0.9 µg/L

Below Reporting Level

2/14/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<0.9 µg/L

Below Reporting Level

2/14/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<0.9 µg/L

Below Reporting Level

2/14/2002

23 years ago

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

Contaminant Details

molybdenum (16)

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

4/1/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<1 µg/L

Below Reporting Level

1/22/2014

11 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

1/22/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

1/21/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

10/8/2013

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

nitrobenzene (8)

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<10 µg/L

Below Reporting Level

10/17/2002

22 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<10 µg/L

Below Reporting Level

7/31/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<10 µg/L

Below Reporting Level

7/31/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<10 µg/L

Below Reporting Level

7/31/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<10 µg/L

Below Reporting Level

4/11/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<10 µg/L

Below Reporting Level

1/29/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<10 µg/L

Below Reporting Level

1/29/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<10 µg/L

Below Reporting Level

1/29/2002

23 years ago

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

Contaminant Details

o-toluidine (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.007 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.007 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.007 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.007 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.007 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.007 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.007 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.007 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

oxyfluorfen (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.05 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.05 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.05 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.05 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.05 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.05 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.05 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.05 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

perchlorate (8)

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<4 µg/L

Below Reporting Level

10/17/2002

22 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<4 µg/L

Below Reporting Level

7/31/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<4 µg/L

Below Reporting Level

7/31/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<4 µg/L

Below Reporting Level

7/31/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<4 µg/L

Below Reporting Level

5/10/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<4 µg/L

Below Reporting Level

1/29/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<4 µg/L

Below Reporting Level

1/29/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<4 µg/L

Below Reporting Level

1/29/2002

23 years ago

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

Contaminant Details

perfluorobutanesulfonic acid (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.09 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.09 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.09 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.09 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.09 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

perfluoroheptanoic acid (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.01 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.01 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.01 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.01 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.01 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.01 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.01 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.01 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.03 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.03 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

perfluorononanoic acid (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.04 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.04 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.04 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.04 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.04 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.04 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.04 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.04 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

perfluorooctanoic acid (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

1/22/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

7/29/2013

12 years ago

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

Contaminant Details

profenofos (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.3 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.3 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.3 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.3 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

quinoline (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.02 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.02 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (8)

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

10/17/2002

22 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

7/31/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<1 µg/L

Below Reporting Level

7/31/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<1 µg/L

Below Reporting Level

7/31/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

4/11/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<1 µg/L

Below Reporting Level

2/14/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<1 µg/L

Below Reporting Level

2/14/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<1 µg/L

Below Reporting Level

2/14/2002

23 years ago

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

Contaminant Details

strontium (16)

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

86.2 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 85.9 µg/L

4/1/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

70.5 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 70.2 µg/L

4/1/2014

11 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

216 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 215.7 µg/L

2/19/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

214 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 213.7 µg/L

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

140 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 139.7 µg/L

1/22/2014

11 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

135 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 134.7 µg/L

1/22/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

79.9 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 79.6 µg/L

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

72.5 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 72.2 µg/L

1/21/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

79.5 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 79.2 µg/L

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

71.8 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 71.5 µg/L

10/8/2013

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

225 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 224.7 µg/L

7/29/2013

12 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

224 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 223.7 µg/L

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

205 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 204.7 µg/L

7/29/2013

12 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

174 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 173.7 µg/L

7/29/2013

12 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

84.6 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 84.3 µg/L

7/29/2013

12 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

69.4 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 69.1 µg/L

7/29/2013

12 years ago

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

Contaminant Details

tebuconazole (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.2 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

terbacil (8)

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

10/17/2002

22 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

7/31/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<2 µg/L

Below Reporting Level

7/31/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<2 µg/L

Below Reporting Level

7/31/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

4/11/2002

23 years ago

CLEARWELL EFFLUENT

Pistapaug Pond TP ℹ️

<2 µg/L

Below Reporting Level

2/14/2002

23 years ago

OAK STREET EFFLUENT

Oak Street Treatment Station ℹ️

<2 µg/L

Below Reporting Level

2/14/2002

23 years ago

FINISHED WATER

Ridgeland Treatment Station ℹ️

<2 µg/L

Below Reporting Level

2/14/2002

23 years ago

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

Contaminant Details

total microcystins (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

10/27/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

10/14/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

9/30/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

9/16/2020

4 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

8/26/2020

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

8/12/2020

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

7/22/2020

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.3 µg/L

Below Reporting Level

7/8/2020

5 years ago

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

Contaminant Details

Total Permethrin (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.04 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.04 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.04 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.04 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.04 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.04 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.04 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.04 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

tribufos (8)

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.07 µg/L

Below Reporting Level

11/7/2019

5 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.07 µg/L

Below Reporting Level

9/12/2019

5 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.07 µg/L

Below Reporting Level

8/8/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.07 µg/L

Below Reporting Level

8/8/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.07 µg/L

Below Reporting Level

5/9/2019

6 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

<0.07 µg/L

Below Reporting Level

3/7/2019

6 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.07 µg/L

Below Reporting Level

2/7/2019

6 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

<0.07 µg/L

Below Reporting Level

2/7/2019

6 years ago

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

Contaminant Details

vanadium (16)

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

4/1/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

4/1/2014

11 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

2/19/2014

11 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

2/19/2014

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

0.65 µg/L

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

1/22/2014

11 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

0.61 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.41 µg/L

1/22/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

<0.2 µg/L

Below Reporting Level

1/21/2014

11 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

0.42 µg/L

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

10/8/2013

11 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

0.34 µg/L

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

10/8/2013

11 years ago

IESWTR - Entry Point

Oak Street Treatment Station ℹ️

3.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.3 µg/L

7/29/2013

12 years ago

DSMRT for Oak St. Treatment Station

Distribution System - GW ℹ️

3.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3 µg/L

7/29/2013

12 years ago

DSMRT for Ridgeland Treatment Station

Distribution System - GW ℹ️

2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.8 µg/L

7/29/2013

12 years ago

IESWTR - Entry Point

Ridgeland Treatment Station ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

7/29/2013

12 years ago

DSMRT for Pistapaug Pond TP

Distribution System - SW ℹ️

0.52 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.32 µg/L

7/29/2013

12 years ago

Entry Point to Dist. System

Pistapaug Pond TP ℹ️

0.41 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.21 µg/L

7/29/2013

12 years ago

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

Contaminant Details

Sampling Facilities

Distribution System
Surface Water (SW)

377 S CHERRY STDistribution System (DS)

5 STERLING DRIVEDistribution System (DS)

CHIMNEY HILL BLEEDERDistribution System (DS)

MCGUIRE COURTDistribution System (DS)

Pistapaug Pond TP
Surface Water (SW)

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

CLEARWELL EFFLUENTEntry Point to the Distribution System (EP)

Oak Street Treatment Station
Ground Water (GW)

IESWTR - Entry PointEntry Point to the Distribution System (EP)

OAK STREET EFFLUENTEntry Point to the Distribution System (EP)

Ridgeland Treatment Station
Ground Water (GW)

IESWTR - Entry PointEntry Point to the Distribution System (EP)

FINISHED WATEREntry Point to the Distribution System (EP)

Distribution System - SW
Surface Water (SW)

DSMRT for Pistapaug Pond TPMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for Oak St. Treatment StationMaximum Residence Time (MR)

DSMRT for Ridgeland Treatment StationMaximum Residence Time (MR)

FAQ

Is Wallingford Water Department tap water safe to drink?

When was Wallingford Water Department last tested for water contamination?

The latest water samples were taken on October 27th, 2020.

Contaminants

1,1-dichloroethane (8)

1,2,3-trichloropropane (8)

1,3-butadiene (8)

1,4-dioxane (8)

1-butanol (8)

2,4-dinitrotoluene (8)

2,6-dinitrotoluene (8)

2-methoxyethanol (8)

2-propen-1-ol (Allyl Alcohol) (8)

4,4'-dichloro dichlorophenyl ethylene (DDE) (8)

alpha-hexachlorocyclohexane (8)

anatoxin-a (8)

bromochloromethane (Halon 1011) (8)

bromomethane (8)

Butylated Hydroxyanisole (8)

chlorate (16)

chlorodifluoromethane (HCFC-22) (8)

chloromethane (8)

chlorpyrifos (8)

chromium (16)

chromium-6 (16)

cobalt (16)

cylindrospermopsin (8)

dimethipin (8)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)

ethoprop (8)

Germanium (8)

HAA5 (five regulated haloacetic acids) (16)

HAA6Br (six brominated haloacetic acids) (16)

HAA9 (nine haloacetic acids) (16)

Manganese (8)

methyl-tertiary-butyl-ether (MTBE) (8)

molinate (8)

molybdenum (16)

nitrobenzene (8)

o-toluidine (8)

oxyfluorfen (8)

perchlorate (8)

perfluorobutanesulfonic acid (8)

perfluoroheptanoic acid (8)

perfluorohexanesulfonic acid (8)

perfluorononanoic acid (8)

perfluorooctanesulfonic acid (8)

perfluorooctanoic acid (8)

profenofos (8)

quinoline (8)

s-ethyl-dipropylthiocarbamate (EPTC) (8)

strontium (16)

tebuconazole (8)

terbacil (8)

total microcystins (8)

Total Permethrin (8)

tribufos (8)

vanadium (16)

Sampling Facilities

Distribution System Surface Water (SW)

Pistapaug Pond TP Surface Water (SW)

Oak Street Treatment Station Ground Water (GW)

Ridgeland Treatment Station Ground Water (GW)

Distribution System - SW Surface Water (SW)

Distribution System - GW Ground Water (GW)

FAQ

Is Wallingford Water Department tap water safe to drink?

When was Wallingford Water Department last tested for water contamination?

Distribution System
Surface Water (SW)

Pistapaug Pond TP
Surface Water (SW)

Oak Street Treatment Station
Ground Water (GW)

Ridgeland Treatment Station
Ground Water (GW)

Distribution System - SW
Surface Water (SW)

Distribution System - GW
Ground Water (GW)