PlainWater

HALIFAX WATER DEPARTMENT

PWS ID: MA4118000 · HALIFAX, Massachusetts 02338

PFAS Detected

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

Population Served
7,553
Total Violations
53
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,875
County
Plymouth
School/Daycare
No
MCL Violations
2
Monitoring Violations
46
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 3 2025
Public Notice Other 2 2013
Consumer Confidence Rule Other 2 2021
Coliform (TCR) MCL 2 2013
Tetrachloroethylene MR 1 2000
Atrazine MR 1 2021
ETHYLENE DIBROMIDE MR 1 2021
Heptachlor MR 1 2021
Pentachlorophenol MR 1 2021
Toxaphene MR 1 2021
2,4,5-TP MR 1 2021
Methoxychlor MR 1 2021
BHC-GAMMA MR 1 2021
Total Polychlorinated Biphenyls (PCB) MR 1 2021
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2021
Dalapon MR 1 2021
Di(2-ethylhexyl) adipate MR 1 2021
Dinoseb MR 1 2021
Diquat MR 1 2021
Glyphosate MR 1 2021
HEXACHLOROBENZENE MR 1 2021
Hexachlorocyclopentadiene MR 1 2021
Picloram MR 1 2021
Simazine MR 1 2021
Revised Total Coliform Rule MON 1 2022
Nitrite MR 1 2023
Gross Alpha, Excl. Radon and U MR 1 2023
Radium-226 MR 1 2023
Radium-228 MR 1 2023
Selenium MR 1 1990

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 5 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 7/9/2024 <0.02 µg/L 0.02 µg/L Not Detected
9Cl-PF3ONS 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/9/2024 <9 µg/L 9 µg/L Not Detected
PFTA 7/9/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/9/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/9/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHpA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/9/2024 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/9/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/9/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 7/9/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHxS 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/9/2024 <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.