PlainWater
States → Maine

BRUNSWICK/TOPSHAM WATER DISTRICT

PWS ID: ME0090260 · TOPSHAM, Maine 04086

PFAS Detected

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

Population Served
18,250
Total Violations
109
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
7,300
County
Cumberland
School/Daycare
No
MCL Violations
5
Monitoring Violations
104
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 5 2007
Aldicarb sulfoxide MR 4 2011
Aldicarb sulfone MR 4 2011
Aldicarb MR 4 2011
BHC-GAMMA MR 4 2011
Methoxychlor MR 4 2011
Di(2-ethylhexyl) adipate MR 4 2011
Simazine MR 4 2011
Hexachlorocyclopentadiene MR 4 2011
Atrazine MR 4 2011
LASSO MR 4 2011
Heptachlor MR 4 2011
Dalapon MR 4 2011
Picloram MR 4 2011
2,4-D MR 4 2011
Pentachlorophenol MR 4 2011
HEXACHLOROBENZENE MR 4 2011
Toxaphene MR 4 2011
2,4,5-TP MR 4 2011
Total Polychlorinated Biphenyls (PCB) MR 4 2011
Chlordane MR 4 2011
Endrin MR 4 2011
Carbofuran MR 4 2011
OXAMYL MR 4 2011
Heptachlor epoxide MR 4 2011
Di(2-ethylhexyl) phthalate MR 4 2011
Dinoseb MR 4 2011

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 6/20/2023 <0.007 µg/L 0.007 µg/L Not Detected
NFDHA 6/20/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 6/20/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/20/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 6/20/2023 <9 µg/L 9 µg/L Not Detected
PFHpA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 6/20/2023 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/20/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/20/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 6/20/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/20/2023 <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.