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States → Maine

BELFAST WATER DISTRICT

PWS ID: ME0090140 · BELFAST, Maine 04915

PFAS Detected

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

Population Served
5,698
Total Violations
32
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,279
County
Waldo
School/Daycare
No
MCL Violations
7
Monitoring Violations
20
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 13 1998
Coliform (TCR) MCL 7 1996
Revised Total Coliform Rule MON 4 2017
Nitrate MR 3 1995
Lead and Copper Rule TT 2 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 6/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/25/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 6/25/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFHxS 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/25/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 6/25/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFNA 6/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 6/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 6/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 6/25/2024 <9 µg/L 9 µg/L Not Detected
PFDoA 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/25/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/25/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 6/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/25/2024 0.0033 µg/L 0.003 µg/L Detected
NFDHA 6/25/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 6/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 6/25/2024 0.0059 µg/L 0.003 µg/L Detected
PFTA 6/25/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/25/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 6/25/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/25/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHxS 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/25/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 6/25/2024 <9 µg/L 9 µg/L Not Detected
PFDoA 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/25/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/25/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/25/2024 <0.005 µg/L 0.005 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.