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Community Water System · PWS ME0091120

North Berwick Water District

North Berwick, Maine 03906 - drinking water served from groundwater sources to 1,825 people, tracked in EPA SDWIS and UCMR5.

1,825
People served
131
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 131 drinking-water violations at North Berwick Water District, 7% of them health-based - above the Maine per-system average.

131
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
1,825
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: North Berwick Water District

North Berwick Water District is a local-owned community water system that delivers drinking water to 1,825 residents in North Berwick, Maine (York County) through 730 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 131 total violations for this system , of which 9 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 119 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 8 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Maine, EPA tracks 1,864 public water systems serving 936,624 people, with 148,796 cumulative violations and 23,741 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 79.8 violations. Statewide, 14 of 41 UCMR5-tested systems have reported PFAS detections (34.1%).

North Berwick Water District's 131 violations sit above the Maine average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
1,825
Total Violations
131
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
730
County
York
School/Daycare
No
MCL Violations
5
Monitoring Violations
119
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MR 8 2019
TTHM MR 8 2019
Coliform (TCR) MR 7 2000
Lead and Copper Rule MR 6 2022
Revised Total Coliform Rule MCL 5 2019
1,2,4-Trichlorobenzene MR 4 2024
Xylenes, Total MR 4 2024
DICHLOROMETHANE MR 4 2024
o-Dichlorobenzene MR 4 2024
Vinyl chloride MR 4 2024
1,1-Dichloroethylene MR 4 2024
trans-1,2-Dichloroethylene MR 4 2024
1,2-Dichloroethane MR 4 2024
1,1,1-Trichloroethane MR 4 2024
Carbon tetrachloride MR 4 2024
1,1,2-Trichloroethane MR 4 2024
Tetrachloroethylene MR 4 2024
Toluene MR 4 2024
Ethylbenzene MR 4 2024
Styrene MR 4 2024
Benzene MR 4 2024
CHLOROBENZENE MR 4 2024
cis-1,2-Dichloroethylene MR 4 2024
Lead and Copper Rule TT 4 2016
p-Dichlorobenzene MR 4 2024
Trichloroethylene MR 4 2024
Nitrite MR 4 2010
1,2-Dichloropropane MR 4 2024
Consumer Confidence Rule Other 3 2021
Combined Radium (-226 and -228) MR 1 2013

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for North Berwick Water District.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID ME0091120 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Maine Drinking Water Authority

Maine's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find ME regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 1,2,4-Trichlorobenzene MR 4 SDWIS / ME0091120 / 2378
2024 Xylenes, Total MR 4 SDWIS / ME0091120 / 2955
2024 DICHLOROMETHANE MR 4 SDWIS / ME0091120 / 2964
2024 o-Dichlorobenzene MR 4 SDWIS / ME0091120 / 2968
2024 Vinyl chloride MR 4 SDWIS / ME0091120 / 2976
2024 1,1-Dichloroethylene MR 4 SDWIS / ME0091120 / 2977
2024 trans-1,2-Dichloroethylene MR 4 SDWIS / ME0091120 / 2979
2024 1,2-Dichloroethane MR 4 SDWIS / ME0091120 / 2980
2024 1,1,1-Trichloroethane MR 4 SDWIS / ME0091120 / 2981
2024 Carbon tetrachloride MR 4 SDWIS / ME0091120 / 2982
2024 1,1,2-Trichloroethane MR 4 SDWIS / ME0091120 / 2985
2024 Tetrachloroethylene MR 4 SDWIS / ME0091120 / 2987
2024 Toluene MR 4 SDWIS / ME0091120 / 2991
2024 Ethylbenzene MR 4 SDWIS / ME0091120 / 2992
2024 Styrene MR 4 SDWIS / ME0091120 / 2996

How North Berwick Water District Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric North Berwick Water District Maine avg Federal benchmark
Total violations 131 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 12.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 34.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,825 502 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,864 regulated public water systems in Maine.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is North Berwick Water District water safe to drink?
North Berwick Water District (PWS ID: ME0091120) has 131 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,825 people using Groundwater sources.
How many people does North Berwick Water District serve?
North Berwick Water District serves 1,825 people in North Berwick, Maine. It is a Local-owned system using Groundwater water sources with 730 service connections.
What type of violations does North Berwick Water District have?
North Berwick Water District has 131 total violations: 9 health-based violations (MCL exceedances or treatment failures), 119 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in North Berwick Water District water?
No PFAS testing data is available for North Berwick Water District under the EPA's UCMR5 monitoring program.
What water source does North Berwick Water District use?
North Berwick Water District uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.