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Public water system · WA5379280

Active

Selah Hills Homeowners Cooperative

At a glance

Selah Hills Homeowners Cooperative (PWSID WA5379280) is an active community water system in Yakima County, Washington. It reports serving 300 people through 103 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 January 2008.

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

Population served

300

Service connections

103

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5379280
System typeCommunity water system
Activity statusActive
Population served300
Service connections103
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyYakima County

How does Selah Hills Homeowners Cooperative compare with other water systems in Yakima County?

By EPA's size categories, Selah Hills Homeowners Cooperative is a very small system (500 people or fewer). Yakima County has 217 active public water systems. Its population served is well below the county average of 1,230 people per system, and accounts for 0.1% of the 266,832 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 Selah Hills Homeowners Cooperative 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 Selah Hills Homeowners Cooperative?

EPA lists Selah Hills Homeowners Cooperative 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. 182 of the 217 active systems in Yakima County (84%) are also privately owned.

Does Selah Hills Homeowners Cooperative have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2008. The violations listed here began between October 1979 and January 2008. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 11 as archived and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1992-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1991-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1991-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoArchived

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.

Selah Hills Homeowners Cooperative: frequently asked questions

Who runs Selah Hills Homeowners Cooperative?

Selah Hills Homeowners Cooperative (PWSID WA5379280) is a community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Selah Hills Homeowners Cooperative serve?

Selah Hills Homeowners Cooperative reports serving 300 people through 103 service connections in Yakima County, Washington.

Where does Selah Hills Homeowners Cooperative 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 Selah Hills Homeowners Cooperative 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 January 2008. 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 Selah Hills Homeowners Cooperative'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, none is health-based, and the most recent began in January 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Selah Hills Homeowners Cooperative's water quality report?

As a community water system, Selah Hills Homeowners Cooperative 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 Yakima County

Water systemCountyPopulation servedTypeSource
Yakima Water Division City ofYakima112,858CommunitySurface water
Nob Hill Water AssociationYakima38,050CommunityGroundwater
Sunnyside City ofYakima17,194CommunityGroundwater
Grandview City ofYakima11,010CommunityGroundwater
Selah City ofYakima9,331CommunityGroundwater
Toppenish Water DepartmentYakima8,950CommunityGroundwater

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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, “Selah Hills Homeowners Cooperative, PWSID WA5379280, Washington”, https://aquacensus.com/water-systems/washington/selah-hills-homeowners-cooperative-wa5379280 (data as of October 1, 2026).