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AquaCensus

Public water system · VT0005040

Active

Lyndonville Water System

At a glance

Lyndonville Water System (PWSID VT0005040) is an active community water system in Caledonia County, Vermont. It reports serving 4,000 people through 1,500 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2023.

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

Population served

4,000

Service connections

1,500

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDVT0005040
System typeCommunity water system
Activity statusActive
Population served4,000
Service connections1,500
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyVT state drinking water program
City servedLyndon
StateVermont
ZIP—
CountyCaledonia County

How does Lyndonville Water System compare with other water systems in Caledonia County?

By EPA's size categories, Lyndonville Water System is a medium system (3,301 to 10,000 people). Caledonia County has 64 active public water systems, and Lyndonville Water System is the 2nd-largest of them by population served. Its population served is about 11 times the county average of 369 people per system, and accounts for 17% of the 23,630 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 Lyndonville Water System is about 40% 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 Lyndonville Water System?

EPA lists Lyndonville Water System 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. 24 of the 64 active systems in Caledonia County (38%) are also owned by a local government.

Does Lyndonville Water System have drinking water violations?

EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2023. The violations listed here began between May 1991 and July 2023. By type: 1 public notice, recordkeeping or other, 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Consumer Confidence Rule, Gross alpha (excluding radon and uranium) and Total coliform bacteria (TCR). EPA lists 3 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
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2020-10-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
1991-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 3 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.

Lyndonville Water System: frequently asked questions

Who runs Lyndonville Water System?

Lyndonville Water System (PWSID VT0005040) is a community water system owned by a local government. It is regulated by the VT state drinking water program.

How many people does Lyndonville Water System serve?

Lyndonville Water System reports serving 4,000 people through 1,500 service connections in Caledonia County, Vermont.

Where does Lyndonville Water System 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 Lyndonville Water System have any drinking water violations?

EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 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 Lyndonville Water System'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 3 violations for this system; 1 is health-based, and the most recent began in July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the VT state drinking water program.

Where can I find Lyndonville Water System's water quality report?

As a community water system, Lyndonville Water System 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 Caledonia County

Water systemCountyPopulation servedTypeSource
St Johnsbury Water SystemCaledonia5,000CommunitySurface water
Hardwick Town Water SystemCaledonia1,900CommunityGroundwater
Burke Mountain Water CoCaledonia1,058CommunityGroundwater
Martys 1st StopCaledonia910Transient non-communityGroundwater
Waterford Welcome CenterCaledonia800Transient non-communityGroundwater
Sugar Ridge Rv Village Campground Inc.Caledonia600Transient non-communityGroundwater

Related pages

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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, “Lyndonville Water System, PWSID VT0005040, Vermont”, https://aquacensus.com/water-systems/vermont/lyndonville-water-system-vt0005040 (data as of October 1, 2026).