Public water system · ME0091620

Active

Wilton Water Department

At a glance

Wilton Water Department (PWSID ME0091620) is an active community water system in Franklin County, Maine. It reports serving 2,800 people through 1,120 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; none is health-based, and the most recent began in December 2024.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

2,800

Service connections

1,120

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDME0091620

System typeCommunity water system

Activity statusActive

Population served2,800

Service connections1,120

Primary water sourceSurface water

Owner typeLocal government

Primacy agencyME state drinking water program

City servedWilton

StateMaine

ZIP—

CountyFranklin County

How does Wilton Water Department compare with other water systems in Franklin County?

By EPA's size categories, Wilton Water Department is a small system (501 to 3,300 people). Franklin County has 63 active public water systems, and Wilton Water Department is the 2nd-largest of them by population served. Its population served is about 7.7 times the county average of 365 people per system, and accounts for 12% of the 22,988 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active community water system reports serving 6,703 people, so Wilton Water Department is about 58% below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Maine has 386 active community water systems, 21% of the state's 1,862 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 61 Maine systems (3.3%) list surface water as their primary source.

Who owns and regulates Wilton Water Department?

EPA lists Wilton Water Department 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. 13 of the 63 active systems in Franklin County (21%) are also owned by a local government.

Does Wilton Water Department have drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in December 2024. The violations listed here began between July 2004 and December 2024. By type: 8 monitoring and reporting and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 9 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

Began	Violation	Contaminant or rule	Health-based	Status
2024-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2024-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2022-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2018-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2018-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2017-01-01	Monitoring and reportingMonitoring, Regular · code 03	Endothallcode 2033	No	Archived
2017-01-01	Monitoring and reportingMonitoring, Regular · code 03	Diquatcode 2032	No	Archived
2012-01-01	Monitoring and reportingMonitoring, Regular · code 03	Asbestoscode 1094	No	Resolved
2007-10-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2006-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2004-07-11	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved

All 11 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.

Wilton Water Department: frequently asked questions

Who runs Wilton Water Department?

Wilton Water Department (PWSID ME0091620) is a community water system owned by a local government. It is regulated by the ME state drinking water program.

How many people does Wilton Water Department serve?

Wilton Water Department reports serving 2,800 people through 1,120 service connections in Franklin County, Maine.

Where does Wilton Water Department get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Wilton Water Department have any drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in December 2024. 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 Wilton Water Department'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 11 violations for this system; none is health-based, and the most recent began in December 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.

Where can I find Wilton Water Department's water quality report?

As a community water system, Wilton Water Department must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Franklin County

Water system	County	Population served	Type	Source
Farmington Village Corp Water Dept	Franklin	4,050	Community	Groundwater
Sugarloaf Water Association	Franklin	1,730	Community	Surface water
Rangeley Water District	Franklin	1,378	Community	Groundwater
Jay Village Water District	Franklin	975	Community	Purchased surface water
Kingfield Water District	Franklin	950	Community	Groundwater
Bullwinkles Restaurant	Franklin	675	Transient non-community	Purchased groundwater

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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, “Wilton Water Department, PWSID ME0091620, Maine”, https://aquacensus.com/water-systems/maine/wilton-water-department-me0091620 (data as of October 1, 2026).