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Public water system · WA5311159

Active

Carlyon Beach Homeowners

At a glance

Carlyon Beach Homeowners (PWSID WA5311159) is an active community water system in Thurston County, Washington. It reports serving 1,273 people through 530 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025.

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

Population served

1,273

Service connections

530

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5311159
System typeCommunity water system
Activity statusActive
Population served1,273
Service connections530
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyThurston County

How does Carlyon Beach Homeowners compare with other water systems in Thurston County?

By EPA's size categories, Carlyon Beach Homeowners is a small system (501 to 3,300 people). Thurston County has 322 active public water systems. Its population served is roughly in line with the county average of 1,233 people per system, and accounts for 0.3% of the 397,060 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active community water system reports serving 6,703 people, so Carlyon Beach Homeowners 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. Washington has 2,392 active community water systems, 51% of the state's 4,705 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,370 Washington systems (93%) list groundwater as their primary source.

Who owns and regulates Carlyon Beach Homeowners?

EPA lists Carlyon Beach Homeowners as privately owned. The WA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 237 of the 322 active systems in Thurston County (74%) are also privately owned.

Does Carlyon Beach Homeowners have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. The violations listed here began between October 2025 and October 2025. By type: 12 monitoring and reporting. The contaminants or rules involved are Benzene, trans-1,2-Dichloroethylene, Ethylbenzene and 1,2-Dichloroethane. 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
2025-10-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved

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.

Carlyon Beach Homeowners: frequently asked questions

Who runs Carlyon Beach Homeowners?

Carlyon Beach Homeowners (PWSID WA5311159) is a community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Carlyon Beach Homeowners serve?

Carlyon Beach Homeowners reports serving 1,273 people through 530 service connections in Thurston County, Washington.

Where does Carlyon Beach Homeowners 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 Carlyon Beach Homeowners have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. 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 Carlyon Beach Homeowners' 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, none is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Carlyon Beach Homeowners' water quality report?

As a community water system, Carlyon Beach Homeowners 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 Thurston County

Water systemCountyPopulation servedTypeSource
Olympia City ofThurston126,966CommunityGroundwater
Lacey Water DepartmentThurston105,178CommunityGroundwater
Tumwater City ofThurston51,802CommunityGroundwater
Yelm City ofThurston17,355CommunityGroundwater
Tanglewilde Thompson Place 600Thurston7,900CommunityGroundwater
Pattison 500Thurston4,643CommunityGroundwater

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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, “Carlyon Beach Homeowners, PWSID WA5311159, Washington”, https://aquacensus.com/water-systems/washington/carlyon-beach-homeowners-wa5311159 (data as of October 1, 2026).