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Public water system · ME0012848

Active

Trenton School

At a glance

Trenton School (PWSID ME0012848) is an active non-transient non-community water system in Hancock County, Maine. It reports serving 165 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in August 2023.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

165

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDME0012848
System typeNon-transient non-community water system
Activity statusActive
Population served165
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyME state drinking water program
City servedTrenton
StateMaine
ZIP—
CountyHancock County

How does Trenton School compare with other water systems in Hancock County?

By EPA's size categories, Trenton School is a very small system (500 people or fewer). Hancock County has 203 active public water systems. Its population served is about 29% below the county average of 232 people per system, and accounts for 0.4% of the 47,019 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Trenton School is about 62% below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Maine has 385 active non-transient non-community water systems, 21% of the state's 1,862 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,780 Maine systems (96%) list groundwater as their primary source.

Who owns and regulates Trenton School?

EPA lists Trenton School as owned by a local government. The ME state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 30 of the 203 active systems in Hancock County (15%) are also owned by a local government.

Does Trenton School have drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in August 2023. The violations listed here began between July 1996 and August 2023. By type: 4 monitoring and reporting, 1 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 6 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2023-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved
2022-04-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2019-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2003-06-04Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2002-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1996-07-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved

All 6 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Trenton School: frequently asked questions

Who runs Trenton School?

Trenton School (PWSID ME0012848) is a non-transient non-community water system owned by a local government. It is regulated by the ME state drinking water program.

How many people does Trenton School serve?

Trenton School reports serving 165 people through 1 service connection in Hancock County, Maine.

Where does Trenton School get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Trenton School have any drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in August 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Trenton School's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in August 2023. For current results, consult EPA ECHO, or the ME state drinking water program.

Where can I find Trenton School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Trenton School is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Hancock County

Water systemCountyPopulation servedTypeSource
Town of Bar Harbor- Water DivisionHancock4,443CommunitySurface water
Ellsworth Water DepartmentHancock3,910CommunitySurface water
Southwest Harbor Water & Sewer DistrictHancock2,480CommunitySurface water
Maine Water Company Bucksport DivisionHancock1,700CommunitySurface water
Mount Desert Water Dist NorthHancock1,623CommunitySurface water
Castine Water DepartmentHancock983CommunityGroundwater under influence of surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Trenton School, PWSID ME0012848, Maine”, https://aquacensus.com/water-systems/maine/trenton-school-me0012848 (data as of October 1, 2026).