PlainWater

METHUEN WATER DEPT

PWS ID: MA3181000 · METHUEN, Massachusetts 01844

PFAS Detected

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

Population Served
53,059
Total Violations
51
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
15,069
County
Essex
School/Daycare
No
MCL Violations
1
Monitoring Violations
45
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 3 2021
cis-1,2-Dichloroethylene MR 2 2010
Styrene MR 2 2010
Tetrachloroethylene MR 2 2010
DICHLOROMETHANE MR 2 2010
1,2,4-Trichlorobenzene MR 2 2010
1,1-Dichloroethylene MR 2 2010
1,2-Dichloroethane MR 2 2010
1,1,1-Trichloroethane MR 2 2010
Vinyl chloride MR 2 2010
trans-1,2-Dichloroethylene MR 2 2010
Carbon tetrachloride MR 2 2010
Benzene MR 2 2010
Trichloroethylene MR 2 2010
CHLOROBENZENE MR 2 2010
Ethylbenzene MR 2 2010
1,2-Dichloropropane MR 2 2010
Xylenes, Total MR 2 2010
o-Dichlorobenzene MR 2 2010
Toluene MR 2 2010
1,1,2-Trichloroethane MR 2 2010
p-Dichlorobenzene MR 2 2010
Coliform (TCR) MCL 1 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 5 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 9/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 9/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 9/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 9/19/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/19/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/19/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFOS 9/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/19/2024 0.0040 µg/L 0.003 µg/L Detected
PFUnA 9/19/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/19/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 9/19/2024 0.0050 µg/L 0.003 µg/L Detected
PFHpS 9/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/19/2024 0.0040 µg/L 0.004 µg/L Detected
lithium 9/19/2024 <9 µg/L 9 µg/L Not Detected
HFPO-DA 9/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 9/19/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 9/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 9/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
lithium 6/5/2024 <9 µg/L 9 µg/L Not Detected
PFHxS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/5/2024 0.0030 µg/L 0.003 µg/L Detected
4:2 FTS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 6/5/2024 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/5/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/5/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 6/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 6/5/2024 <0.004 µg/L 0.004 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.