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States → Massachusetts

STOUGHTON WATER DEPARTMENT

PWS ID: MA4285000 · STOUGHTON, Massachusetts 02072

PFAS Detected

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

Population Served
29,281
Total Violations
45
Health-Based Violations
8
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
8,656
County
Norfolk
School/Daycare
No
MCL Violations
6
Monitoring Violations
7
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 5 2015
Nitrate MR 3 2025
E. COLI MR 2 2015
Lead and Copper Rule TT 2 1996
Consumer Confidence Rule Other 2 2018
Coliform (TCR) MR 2 2015
Nitrate MCL 1 2005

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 13 of 155 samples detected PFAS.

Contaminant Date Result MRL Status
4:2 FTS 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/4/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 9/4/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/4/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/4/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/4/2025 <0.006 µg/L 0.006 µg/L Not Detected
NFDHA 9/4/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFBS 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/4/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/4/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/4/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/4/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/4/2025 <9 µg/L 9 µg/L Not Detected
11Cl-PF3OUdS 9/4/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/4/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/4/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/4/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/4/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 9/4/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/4/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/4/2025 <0.002 µg/L 0.002 µg/L Not Detected
lithium 9/4/2025 <9 µg/L 9 µg/L Not Detected
PFTA 9/4/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/4/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/4/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/4/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 9/4/2025 0.0031 µg/L 0.003 µg/L Detected
PFHxS 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/4/2025 0.0048 µg/L 0.004 µg/L Detected
PFOA 9/4/2025 0.0073 µg/L 0.004 µg/L Detected
PFDA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/4/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/4/2025 0.0043 µg/L 0.003 µg/L Detected
4:2 FTS 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/4/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/4/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/4/2025 0.0034 µg/L 0.003 µg/L 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.