PlainWater

SOUTHINGTON WATER DEPARTMENT

PWS ID: CT1310011 · SOUTHINGTON, Connecticut 06489

PFAS Detected

8 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
43,069
Total Violations
1,028
Health-Based Violations
11
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
13,665
County
Hartford
School/Daycare
No
MCL Violations
11
Monitoring Violations
996
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MR 29 2018
2,4-D MR 29 2017
Nitrate MR 29 2023
2,4,5-TP MR 29 2017
Combined Uranium MR 27 2017
Endrin MR 21 2017
BHC-GAMMA MR 21 2017
Toxaphene MR 21 2017
Dalapon MR 21 2017
Diquat MR 21 2017
Glyphosate MR 21 2017
OXAMYL MR 21 2017
Dinoseb MR 21 2017
Aldicarb sulfoxide MR 21 2017
Aldicarb MR 21 2017
LASSO MR 21 2017
Heptachlor epoxide MR 21 2017
Benzo(a)pyrene MR 21 2017
Pentachlorophenol MR 21 2017
1,2-DIBROMO-3-CHLOROPROPANE MR 21 2017
Methoxychlor MR 21 2017
Di(2-ethylhexyl) phthalate MR 21 2017
Picloram MR 21 2017
Carbofuran MR 21 2017
Atrazine MR 21 2017
HEXACHLOROBENZENE MR 21 2017
ETHYLENE DIBROMIDE MR 21 2017
Chlordane MR 21 2017
Di(2-ethylhexyl) adipate MR 21 2017
Simazine MR 21 2017

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 26 of 420 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 7/30/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFUnA 7/30/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFOA 7/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 7/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 7/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 7/30/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpA 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/30/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 7/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 7/30/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFPeS 7/30/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/30/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/30/2024 <9 µg/L 9 µg/L Not Detected
6:2 FTS 7/30/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/30/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/28/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHxA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 6/28/2023 <0.007 µg/L 0.007 µg/L Not Detected
11Cl-PF3OUdS 6/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/28/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/28/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/28/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/28/2023 0.0050 µg/L 0.005 µg/L Detected
PFHpS 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/28/2023 <0.003 µg/L 0.003 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.