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Public water system · VT0005186

Active

Williamstown Water Dept

At a glance

Williamstown Water Dept (PWSID VT0005186) is an active community water system in Orange County, Vermont. It reports serving 985 people through 378 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2017.

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

Population served

985

Service connections

378

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDVT0005186
System typeCommunity water system
Activity statusActive
Population served985
Service connections378
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyVT state drinking water program
City servedWilliamstown
StateVermont
ZIP—
CountyOrange County

How does Williamstown Water Dept compare with other water systems in Orange County?

By EPA's size categories, Williamstown Water Dept is a small system (501 to 3,300 people). Orange County has 70 active public water systems, and Williamstown Water Dept is the 4th-largest of them by population served. Its population served is about 3.3 times the county average of 298 people per system, and accounts for 4.7% of the 20,846 people reported by systems filed under the county. Across Vermont, the 1,357 active systems average 477 people each. Nationally, the average active community water system reports serving 6,703 people, so Williamstown Water Dept is well 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. Vermont has 405 active community water systems, 30% of the state's 1,357 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,243 Vermont systems (92%) list groundwater as their primary source.

Who owns and regulates Williamstown Water Dept?

EPA lists Williamstown Water Dept as owned by a local government. The VT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 19 of the 70 active systems in Orange County (27%) are also owned by a local government.

Does Williamstown Water Dept have drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2017. The violations listed here began between October 1993 and July 2017. By type: 7 contaminant level above the legal limit, 4 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 12 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
2017-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2016-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2016-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2008-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2008-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2007-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2007-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2004-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2003-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1994-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1993-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

The 12 most recent 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.

Williamstown Water Dept: frequently asked questions

Who runs Williamstown Water Dept?

Williamstown Water Dept (PWSID VT0005186) is a community water system owned by a local government. It is regulated by the VT state drinking water program.

How many people does Williamstown Water Dept serve?

Williamstown Water Dept reports serving 985 people through 378 service connections in Orange County, Vermont.

Where does Williamstown Water Dept 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 Williamstown Water Dept have any drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2017. 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 Williamstown Water Dept'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. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the VT state drinking water program.

Where can I find Williamstown Water Dept's water quality report?

As a community water system, Williamstown Water Dept 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 Orange County

Water systemCountyPopulation servedTypeSource
Randolph VillageOrange2,700CommunityGroundwater
Bradford Village Water SystemOrange1,512CommunityGroundwater
Randolph Center Water SystemOrange1,138CommunityGroundwater
Fairlee Town WaterOrange967CommunityGroundwater
Randolph Sb Rest AreaOrange783Transient non-communityGroundwater
My Place HotelOrange675Non-transient non-communityGroundwater

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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, “Williamstown Water Dept, PWSID VT0005186, Vermont”, https://aquacensus.com/water-systems/vermont/williamstown-water-dept-vt0005186 (data as of October 1, 2026).