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States → Maine

KENNEBEC WATER DISTRICT

PWS ID: ME0090750 · WATERVILLE, Maine 04901

PFAS Detected

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

Population Served
22,060
Total Violations
46
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
8,824
County
Kennebec
School/Daycare
No
MCL Violations
4
Monitoring Violations
25
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 10 2011
TTHM MR 8 2019
Total Haloacetic Acids (HAA5) MR 8 2019
Dalapon MR 4 2021
Coliform (TCR) MCL 4 2010
Lead and Copper Rule MR 3 2021
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2010

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 9 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 8/1/2023 <9 µg/L 9 µg/L Not Detected
NFDHA 8/1/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 8/1/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/1/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/1/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFOS 8/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/1/2023 0.0064 µg/L 0.004 µg/L Detected
PFDA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/1/2023 0.0054 µg/L 0.003 µg/L Detected
PFPeA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/1/2023 0.0030 µg/L 0.003 µg/L Detected
8:2 FTS 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/1/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/1/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 8/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/4/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 5/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/4/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/4/2023 0.0065 µg/L 0.005 µg/L Detected
HFPO-DA 5/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/4/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 5/4/2023 <0.008 µg/L 0.008 µg/L Not Detected
11Cl-PF3OUdS 5/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 5/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 5/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/4/2023 <9 µg/L 9 µg/L Not Detected
PFHpS 5/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/4/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/4/2023 <0.02 µg/L 0.02 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.