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Community Water System · PWS ME0090150

Berwick Water Department

Saco, Maine 04072 - drinking water served from surface water sources to 2,470 people, tracked in EPA SDWIS and UCMR5.

2,470
People served
166
EPA violations
81
Health-based
Untested
UCMR5 result

The verdict

EPA records 166 drinking-water violations at Berwick Water Department, 49% of them health-based - above the Maine per-system average.

166
Total EPA violations on record
49%
Health-based (MCL / treatment failure)
2,470
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Berwick Water Department

Berwick Water Department is a local-owned community water system that delivers drinking water to 2,470 residents in Saco, Maine (York County) through 988 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 166 total violations for this system , of which 81 (49%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 82 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 42 violations (MCL, health-based). 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%).

Berwick Water Department's 166 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
2,470
Total Violations
166
Health-Based Violations
81
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
988
County
York
School/Daycare
No
MCL Violations
66
Monitoring Violations
82
Treatment Tech Violations
15

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 42 2019
TTHM MCL 13 2005
Coliform (TCR) MCL 11 1996
Surface Water Treatment Rule TT 9 1997
TTHM MR 8 2022
Total Haloacetic Acids (HAA5) MR 8 2022
Lead and Copper Rule TT 4 2004
CYANIDE MR 4 2008
Nickel MR 4 2008
Antimony, Total MR 4 2008
Beryllium, Total MR 4 2008
Thallium, Total MR 4 2008
Endrin MR 2 2014
Methoxychlor MR 2 2014
Di(2-ethylhexyl) adipate MR 2 2014
Simazine MR 2 2014
Di(2-ethylhexyl) phthalate MR 2 2014
Hexachlorocyclopentadiene MR 2 2014
Atrazine MR 2 2014
LASSO MR 2 2014
Heptachlor MR 2 2014
Toxaphene MR 2 2014
Chlordane MR 2 2014
Dalapon MR 2 2014
Picloram MR 2 2014
Dinoseb MR 2 2014
Pentachlorophenol MR 2 2014
OXAMYL MR 2 2014
Carbofuran MR 2 2014
HEXACHLOROBENZENE MR 2 2014

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 Berwick Water Department.

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 ME0090150 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
2022 TTHM MR 8 SDWIS / ME0090150 / 2950
2022 Total Haloacetic Acids (HAA5) MR 8 SDWIS / ME0090150 / 2456
2022 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 2 SDWIS / ME0090150 / 0400
2022 Consumer Confidence Rule Other 2 SDWIS / ME0090150 / 7000
2019 Total Haloacetic Acids (HAA5) MCL 42 SDWIS / ME0090150 / 2456
2014 Endrin MR 2 SDWIS / ME0090150 / 2005
2014 Methoxychlor MR 2 SDWIS / ME0090150 / 2015
2014 Di(2-ethylhexyl) adipate MR 2 SDWIS / ME0090150 / 2035
2014 Simazine MR 2 SDWIS / ME0090150 / 2037
2014 Di(2-ethylhexyl) phthalate MR 2 SDWIS / ME0090150 / 2039
2014 Hexachlorocyclopentadiene MR 2 SDWIS / ME0090150 / 2042
2014 Atrazine MR 2 SDWIS / ME0090150 / 2050
2014 LASSO MR 2 SDWIS / ME0090150 / 2051
2014 Heptachlor MR 2 SDWIS / ME0090150 / 2065
2014 Toxaphene MR 2 SDWIS / ME0090150 / 2020

How Berwick Water Department Compares

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

Metric Berwick Water Department Maine avg Federal benchmark
Total violations 166 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 81 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 2,470 502 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 Berwick Water Department water safe to drink? ▼
Berwick Water Department (PWS ID: ME0090150) has 166 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,470 people using Surface Water sources.
How many people does Berwick Water Department serve? ▼
Berwick Water Department serves 2,470 people in Saco, Maine. It is a Local-owned system using Surface Water water sources with 988 service connections.
What type of violations does Berwick Water Department have? ▼
Berwick Water Department has 166 total violations: 81 health-based violations (MCL exceedances or treatment failures), 82 monitoring/reporting violations, and 15 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Berwick Water Department water? ▼
No PFAS testing data is available for Berwick Water Department under the EPA's UCMR5 monitoring program.
What water source does Berwick Water Department use? ▼
Berwick Water Department uses Surface Water 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.

Read our methodology - how this data is sourced, computed, and verified.

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.