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Community Water System · PWS ME0095699

Hingham Heights

Hermon, Maine 04401 - drinking water served from groundwater sources to 140 people, tracked in EPA SDWIS and UCMR5.

140
People served
250
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 250 drinking-water violations at Hingham Heights, 7% of them health-based - above the Maine per-system average.

250
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
140
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hingham Heights

Hingham Heights is a private-owned community water system that delivers drinking water to 140 residents in Hermon, Maine (Penobscot County) through 56 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 250 total violations for this system , of which 17 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 208 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 63 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%).

Hingham Heights's 250 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
140
Total Violations
250
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
56
County
Penobscot
School/Daycare
No
MCL Violations
6
Monitoring Violations
208
Treatment Tech Violations
11

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 63 2015
E. COLI MR 25 2025
Lead and Copper Rule MR 17 2022
Revised Total Coliform Rule MON 16 2022
Public Notice Other 14 2025
Nitrate MR 13 2009
Consumer Confidence Rule Other 11 2024
Revised Total Coliform Rule TT 11 2024
Coliform (TCR) MCL 6 2015
Radium-228 MR 5 2005
Nitrite MR 4 2009
Diquat MR 3 2015
Endothall MR 3 2015
Xylenes, Total MR 3 1996
DICHLOROMETHANE MR 3 1996
o-Dichlorobenzene MR 3 1996
p-Dichlorobenzene MR 3 1996
Vinyl chloride MR 3 1996
1,1,1-Trichloroethane MR 3 1996
Trichloroethylene MR 3 1996
CHLOROBENZENE MR 3 1996
Benzene MR 3 1996
Ethylbenzene MR 3 1996
Styrene MR 3 1996
Carbon tetrachloride MR 3 1996
1,2-Dichloropropane MR 3 1996
1,1-Dichloroethylene MR 3 1996
1,2-Dichloroethane MR 3 1996
1,1,2-Trichloroethane MR 3 1996
trans-1,2-Dichloroethylene MR 3 1996

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 Hingham Heights.

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 ME0095699 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
2025 E. COLI MR 25 SDWIS / ME0095699 / 3014
2025 Public Notice Other 14 SDWIS / ME0095699 / 7500
2024 Consumer Confidence Rule Other 11 SDWIS / ME0095699 / 7000
2024 Revised Total Coliform Rule TT 11 SDWIS / ME0095699 / 8000
2022 Lead and Copper Rule MR 17 SDWIS / ME0095699 / 5000
2022 Revised Total Coliform Rule MON 16 SDWIS / ME0095699 / 8000
2015 Coliform (TCR) MR 63 SDWIS / ME0095699 / 3100
2015 Coliform (TCR) MCL 6 SDWIS / ME0095699 / 3100
2015 Diquat MR 3 SDWIS / ME0095699 / 2032
2015 Endothall MR 3 SDWIS / ME0095699 / 2033
2009 Nitrate MR 13 SDWIS / ME0095699 / 1040
2009 Nitrite MR 4 SDWIS / ME0095699 / 1041
2005 Radium-228 MR 5 SDWIS / ME0095699 / 4030
1996 Xylenes, Total MR 3 SDWIS / ME0095699 / 2955
1996 DICHLOROMETHANE MR 3 SDWIS / ME0095699 / 2964

How Hingham Heights Compares

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

Metric Hingham Heights Maine avg Federal benchmark
Total violations 250 79.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 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 140 502 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 Hingham Heights water safe to drink?
Hingham Heights (PWS ID: ME0095699) has 250 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 140 people using Groundwater sources.
How many people does Hingham Heights serve?
Hingham Heights serves 140 people in Hermon, Maine. It is a Private-owned system using Groundwater water sources with 56 service connections.
What type of violations does Hingham Heights have?
Hingham Heights has 250 total violations: 17 health-based violations (MCL exceedances or treatment failures), 208 monitoring/reporting violations, and 11 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hingham Heights water?
No PFAS testing data is available for Hingham Heights under the EPA's UCMR5 monitoring program.
What water source does Hingham Heights use?
Hingham Heights 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.