Public water system · ME0091410

Active

Sanford Water District

At a glance

Sanford Water District (PWSID ME0091410) is an active community water system in York County, Maine. It reports serving 14,328 people through 5,733 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 8 are health-based, and the most recent began in January 2014.

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

Population served

14,328

Service connections

5,733

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDME0091410

System typeCommunity water system

Activity statusActive

Population served14,328

Service connections5,733

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyME state drinking water program

City servedSanford

StateMaine

ZIP—

CountyYork County

How does Sanford Water District compare with other water systems in York County?

By EPA's size categories, Sanford Water District is a large system (10,001 to 100,000 people). York County has 188 active public water systems, and Sanford Water District is the 4th-largest of them by population served. Its population served is about 16 times the county average of 877 people per system, and accounts for 8.7% of the 164,945 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 Sanford Water District is about twice 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. 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 Sanford Water District?

EPA lists Sanford Water District 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. 26 of the 188 active systems in York County (14%) are also owned by a local government.

Does Sanford Water District have drinking water violations?

EPA's records list 10 violations for this system; 8 are health-based, and the most recent began in January 2014. The violations listed here began between June 2002 and January 2014. By type: 8 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 of them). EPA lists 10 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.

Began	Violation	Contaminant or rule	Health-based	Status
2014-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2014-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2007-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2007-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2006-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2005-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2004-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2004-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2003-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2002-06-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved

All 10 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.

Sanford Water District: frequently asked questions

Who runs Sanford Water District?

Sanford Water District (PWSID ME0091410) is a community water system owned by a local government. It is regulated by the ME state drinking water program.

How many people does Sanford Water District serve?

Sanford Water District reports serving 14,328 people through 5,733 service connections in York County, Maine.

Where does Sanford Water District 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 Sanford Water District have any drinking water violations?

EPA's records list 10 violations for this system; 8 are health-based, and the most recent began in January 2014. 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 Sanford Water District'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 10 violations for this system; 8 are health-based, and the most recent began in January 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the ME state drinking water program.

Where can I find Sanford Water District's water quality report?

As a community water system, Sanford Water District 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 York County

Water system	County	Population served	Type	Source
Maine Water Company Biddeford Saco Div	York	42,508	Community	Surface water
Kennebunk, Kennebunkport & Wells Wd	York	35,663	Community	Surface water
Kittery Water District	York	14,478	Community	Surface water
York Water District	York	13,675	Community	Surface water
South Berwick Water District	York	3,722	Community	Groundwater
Lake Arrowhead Community Inc.	York	3,500	Community	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, “Sanford Water District, PWSID ME0091410, Maine”, https://aquacensus.com/water-systems/maine/sanford-water-district-me0091410 (data as of October 1, 2026).