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Community Water System · PWS ME0091130

North Haven Water Department

North Haven, Maine 04853 - drinking water served from surface water sources to 740 people, tracked in EPA SDWIS and UCMR5.

740
People served
734
EPA violations
273
Health-based
Untested
UCMR5 result

The verdict

EPA records 734 drinking-water violations at North Haven Water Department, 37% of them health-based - above the Maine per-system average.

734
Total EPA violations on record
37%
Health-based (MCL / treatment failure)
740
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: North Haven Water Department

North Haven Water Department is a local-owned community water system that delivers drinking water to 740 residents in North Haven, Maine (Knox County) through 296 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 734 total violations for this system , of which 273 (37%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 459 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 111 violations (TT, 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%).

North Haven Water Department's 734 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
740
Total Violations
734
Health-Based Violations
273
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
296
County
Knox
School/Daycare
No
MCL Violations
146
Monitoring Violations
459
Treatment Tech Violations
127

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 111 1999
Total Haloacetic Acids (HAA5) MCL 77 2007
TTHM MCL 51 2006
Coliform (TCR) MCL 18 2011
o-Dichlorobenzene MR 17 1998
p-Dichlorobenzene MR 17 1998
Vinyl chloride MR 17 1998
1,1,1-Trichloroethane MR 17 1998
Carbon tetrachloride MR 17 1998
1,2-Dichloropropane MR 17 1998
1,1,2-Trichloroethane MR 17 1998
Tetrachloroethylene MR 17 1998
CHLOROBENZENE MR 17 1998
Toluene MR 17 1998
Styrene MR 17 1998
DICHLOROMETHANE MR 17 1998
trans-1,2-Dichloroethylene MR 17 1998
1,2-Dichloroethane MR 17 1998
Trichloroethylene MR 17 1998
Xylenes, Total MR 17 1998
1,1-Dichloroethylene MR 17 1998
Benzene MR 17 1998
Ethylbenzene MR 17 1998
Lead and Copper Rule TT 16 2000
1,2,4-Trichlorobenzene MR 16 1998
cis-1,2-Dichloroethylene MR 16 1998
Lead and Copper Rule MR 12 1999
Gross Alpha, Excl. Radon and U MR 9 1997
Cadmium MR 7 1998
Mercury MR 7 1998

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 Haven 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 ME0091130 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
2017 Bromate MR 3 SDWIS / ME0091130 / 1011
2016 Revised Total Coliform Rule MON 3 SDWIS / ME0091130 / 8000
2011 Coliform (TCR) MCL 18 SDWIS / ME0091130 / 3100
2007 Total Haloacetic Acids (HAA5) MCL 77 SDWIS / ME0091130 / 2456
2006 TTHM MCL 51 SDWIS / ME0091130 / 2950
2000 Lead and Copper Rule TT 16 SDWIS / ME0091130 / 5000
1999 Surface Water Treatment Rule TT 111 SDWIS / ME0091130 / 0200
1999 Lead and Copper Rule MR 12 SDWIS / ME0091130 / 5000
1998 o-Dichlorobenzene MR 17 SDWIS / ME0091130 / 2968
1998 p-Dichlorobenzene MR 17 SDWIS / ME0091130 / 2969
1998 Vinyl chloride MR 17 SDWIS / ME0091130 / 2976
1998 1,1,1-Trichloroethane MR 17 SDWIS / ME0091130 / 2981
1998 Carbon tetrachloride MR 17 SDWIS / ME0091130 / 2982
1998 1,2-Dichloropropane MR 17 SDWIS / ME0091130 / 2983
1998 1,1,2-Trichloroethane MR 17 SDWIS / ME0091130 / 2985

How North Haven Water Department Compares

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

Metric North Haven Water Department Maine avg Federal benchmark
Total violations 734 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 273 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 740 502 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 Haven Water Department water safe to drink? ▼
North Haven Water Department (PWS ID: ME0091130) has 734 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 740 people using Surface Water sources.
How many people does North Haven Water Department serve? ▼
North Haven Water Department serves 740 people in North Haven, Maine. It is a Local-owned system using Surface Water water sources with 296 service connections.
What type of violations does North Haven Water Department have? ▼
North Haven Water Department has 734 total violations: 273 health-based violations (MCL exceedances or treatment failures), 459 monitoring/reporting violations, and 127 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in North Haven Water Department water? ▼
No PFAS testing data is available for North Haven Water Department under the EPA's UCMR5 monitoring program.
What water source does North Haven Water Department use? ▼
North Haven 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.