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States → Massachusetts

LYNN WATER AND SEWER COMM

PWS ID: MA3163000 · LYNN, Massachusetts 01905

PFAS Detected

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

Population Served
101,253
Total Violations
39
Health-Based Violations
20
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
21,169
County
Essex
School/Daycare
No
MCL Violations
20
Monitoring Violations
1
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 20 1988
Coliform (TCR) MR 1 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 14 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFBS 8/2/2023 0.0031 µg/L 0.003 µg/L Detected
PFHpA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/2/2023 0.0043 µg/L 0.004 µg/L Detected
PFDoA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 8/2/2023 0.0049 µg/L 0.003 µg/L Detected
PFPeS 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/2/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/2/2023 0.0052 µg/L 0.003 µg/L Detected
PFMPA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/2/2023 0.0053 µg/L 0.005 µg/L Detected
PFOS 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/2/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/2/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/2/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/2/2023 <9 µg/L 9 µg/L Not Detected
PFHpA 5/3/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/3/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/3/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/3/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/3/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 5/3/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 5/3/2023 0.0042 µg/L 0.003 µg/L Detected
PFDA 5/3/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/3/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/3/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/3/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/3/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/3/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 5/3/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 5/3/2023 <0.007 µg/L 0.007 µg/L Not Detected
4:2 FTS 5/3/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/3/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 5/3/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 5/3/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 5/3/2023 <9 µg/L 9 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.