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Community Water System · PWS ME0090850

Limerick Water District

Limerick, Maine 04048 - drinking water served from groundwater sources to 625 people, tracked in EPA SDWIS and UCMR5.

625
People served
86
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 86 drinking-water violations at Limerick Water District, 14% of them health-based - above the Maine per-system average.

86
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
625
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Limerick Water District

Limerick Water District is a local-owned community water system that delivers drinking water to 625 residents in Limerick, Maine (York County) through 250 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 86 total violations for this system , of which 12 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 68 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 Lead and Copper Rule, recorded in 12 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%).

Limerick Water District's 86 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
625
Total Violations
86
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
250
County
York
School/Daycare
No
MCL Violations
12
Monitoring Violations
68
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 12 2006
Coliform (TCR) MCL 8 1995
Nitrate MR 7 2022
TTHM MR 4 2021
TTHM MCL 4 2020
Total Haloacetic Acids (HAA5) MR 4 2021
Endothall MR 3 2015
Diquat MR 3 2015
Toxaphene MR 2 2015
Chlordane MR 2 2015
Endrin MR 2 2015
Methoxychlor MR 2 2015
Di(2-ethylhexyl) adipate MR 2 2015
Hexachlorocyclopentadiene MR 2 2015
LASSO MR 2 2015
Heptachlor MR 2 2015
HEXACHLOROBENZENE MR 2 2015
OXAMYL MR 2 2015
Total Polychlorinated Biphenyls (PCB) MR 2 2015
Atrazine MR 2 2015
Simazine MR 2 2015
Di(2-ethylhexyl) phthalate MR 2 2015
Heptachlor epoxide MR 2 2015
Carbofuran MR 2 2015
BHC-GAMMA MR 2 2015
Coliform (TCR) MR 1 1995

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 Limerick 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 ME0090850 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 Nitrate MR 7 SDWIS / ME0090850 / 1040
2021 TTHM MR 4 SDWIS / ME0090850 / 2950
2021 Total Haloacetic Acids (HAA5) MR 4 SDWIS / ME0090850 / 2456
2020 TTHM MCL 4 SDWIS / ME0090850 / 2950
2015 Endothall MR 3 SDWIS / ME0090850 / 2033
2015 Diquat MR 3 SDWIS / ME0090850 / 2032
2015 Toxaphene MR 2 SDWIS / ME0090850 / 2020
2015 Chlordane MR 2 SDWIS / ME0090850 / 2959
2015 Endrin MR 2 SDWIS / ME0090850 / 2005
2015 Methoxychlor MR 2 SDWIS / ME0090850 / 2015
2015 Di(2-ethylhexyl) adipate MR 2 SDWIS / ME0090850 / 2035
2015 Hexachlorocyclopentadiene MR 2 SDWIS / ME0090850 / 2042
2015 LASSO MR 2 SDWIS / ME0090850 / 2051
2015 Heptachlor MR 2 SDWIS / ME0090850 / 2065
2015 HEXACHLOROBENZENE MR 2 SDWIS / ME0090850 / 2274

How Limerick Water District Compares

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

Metric Limerick Water District Maine avg Federal benchmark
Total violations 86 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 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 625 502 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 Limerick Water District water safe to drink? ▼
Limerick Water District (PWS ID: ME0090850) has 86 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 625 people using Groundwater sources.
How many people does Limerick Water District serve? ▼
Limerick Water District serves 625 people in Limerick, Maine. It is a Local-owned system using Groundwater water sources with 250 service connections.
What type of violations does Limerick Water District have? ▼
Limerick Water District has 86 total violations: 12 health-based violations (MCL exceedances or treatment failures), 68 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Limerick Water District water? ▼
No PFAS testing data is available for Limerick Water District under the EPA's UCMR5 monitoring program.
What water source does Limerick Water District use? ▼
Limerick 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.

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.