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States → Maine

SANFORD WATER DISTRICT

PWS ID: ME0091410 · SANFORD, Maine 04073

PFAS Detected

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

Population Served
14,328
Total Violations
45
Health-Based Violations
36
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
5,733
County
York
School/Daycare
No
MCL Violations
36
Monitoring Violations
8
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 36 2007
TTHM MR 4 2014
Total Haloacetic Acids (HAA5) MR 4 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 16 of 360 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 8/12/2024 0.0071 µg/L 0.004 µg/L Detected
NFDHA 8/12/2024 <0.02 µg/L 0.02 µg/L Not Detected
HFPO-DA 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/12/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/12/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/12/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/12/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/12/2024 0.0092 µg/L 0.003 µg/L Detected
PFMBA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/12/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFBS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/12/2024 0.0039 µg/L 0.003 µg/L Detected
PFHpS 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/12/2024 0.0030 µg/L 0.003 µg/L Detected
PFHxA 8/12/2024 0.0067 µg/L 0.003 µg/L Detected
PFNA 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/12/2024 0.0056 µg/L 0.004 µg/L Detected
PFDA 8/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/12/2024 <0.003 µg/L 0.003 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.