Skip to content
AquaCensus

Public water system · CT1410264

Active

West Thompson Lake Campground

At a glance

West Thompson Lake Campground (PWSID CT1410264) is an active transient non-community water system in Windham County, Connecticut. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in November 2022.

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

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCT1410264
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedThompson
StateConnecticut
ZIP—
CountyWindham County

How does West Thompson Lake Campground compare with other water systems in Windham County?

By EPA's size categories, West Thompson Lake Campground is a very small system (500 people or fewer). Windham County has 254 active public water systems. Its population served is well below the county average of 251 people per system, and accounts for less than 0.1% of the 63,868 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active transient non-community water system reports serving 144 people, so West Thompson Lake Campground is well below that figure.

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

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Connecticut has 1,399 active transient non-community water systems, 59% of the state's 2,363 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,263 Connecticut systems (96%) list groundwater as their primary source.

Who owns and regulates West Thompson Lake Campground?

EPA lists West Thompson Lake Campground as privately owned. The CT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 220 of the 254 active systems in Windham County (87%) are also privately owned.

Does West Thompson Lake Campground have drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in November 2022. The violations listed here began between July 2004 and November 2022. By type: 4 monitoring and reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 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
2022-11-25Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2021-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2009-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

West Thompson Lake Campground: frequently asked questions

Who runs West Thompson Lake Campground?

West Thompson Lake Campground (PWSID CT1410264) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.

How many people does West Thompson Lake Campground serve?

West Thompson Lake Campground reports serving 25 people through 1 service connection in Windham County, Connecticut.

Where does West Thompson Lake Campground 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 West Thompson Lake Campground have any drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in November 2022. 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 West Thompson Lake Campground'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; none is health-based, and the most recent began in November 2022. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find West Thompson Lake Campground's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. West Thompson Lake Campground is a 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 Windham County

Water systemCountyPopulation servedTypeSource
Windham Water WorksWindham21,214CommunitySurface water
Putnam Water Pollution Control AuthorityWindham7,300CommunitySurface water
Ctwc - Crystal SystemWindham6,378CommunityGroundwater
Ctwc - Gallup SystemWindham2,538CommunityGroundwater
Ctwc - Plainfield SystemWindham1,713CommunityGroundwater
Killingly High School & Agricultural CtrWindham1,400Non-transient non-communityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “West Thompson Lake Campground, PWSID CT1410264, Connecticut”, https://aquacensus.com/water-systems/connecticut/west-thompson-lake-campground-ct1410264 (data as of October 1, 2026).