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Public water system · WA5314050

Active

College Place Water Dept

At a glance

College Place Water Dept (PWSID WA5314050) is an active community water system in Walla Walla County, Washington. It reports serving 8,147 people through 3,537 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, none is health-based, and the most recent began in July 2022.

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

Population served

8,147

Service connections

3,537

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5314050
System typeCommunity water system
Activity statusActive
Population served8,147
Service connections3,537
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyWalla Walla County

How does College Place Water Dept compare with other water systems in Walla Walla County?

By EPA's size categories, College Place Water Dept is a medium system (3,301 to 10,000 people). Walla Walla County has 69 active public water systems, and College Place Water Dept is the 2nd-largest of them by population served. Its population served is about 7.2 times the county average of 1,126 people per system, and accounts for 10% of the 77,717 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 College Place Water Dept is about 22% above 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 College Place Water Dept?

EPA lists College Place Water Dept as owned by a local government. 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. 18 of the 69 active systems in Walla Walla County (26%) are also owned by a local government.

Does College Place Water Dept have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2022. The violations listed here began between July 2022 and July 2022. By type: 12 monitoring and reporting. The contaminants or rules involved are Benzene, Ethylbenzene, Carbon tetrachloride and 1,1,2-Trichloroethane. 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
2022-07-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03Pentachlorophenolcode 2326NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved

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.

College Place Water Dept: frequently asked questions

Who runs College Place Water Dept?

College Place Water Dept (PWSID WA5314050) is a community water system owned by a local government. It is regulated by the WA state drinking water program.

How many people does College Place Water Dept serve?

College Place Water Dept reports serving 8,147 people through 3,537 service connections in Walla Walla County, Washington.

Where does College Place 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 College Place Water Dept 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 July 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 College Place 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, none is health-based, and the most recent began in July 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

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

As a community water system, College Place 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 Walla Walla County

Water systemCountyPopulation servedTypeSource
Walla Walla Water DivisionWalla Walla42,959CommunitySurface water
Snake River Housing Water SystemWalla Walla3,036CommunityGroundwater
Hood ParkWalla Walla2,283Transient non-communityGroundwater
Burbank Business ParkWalla Walla1,983Non-transient non-communityGroundwater
Waitsburg City ofWalla Walla1,817CommunityGroundwater
Wallula Dodd Water SystemWalla Walla1,757Non-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, “College Place Water Dept, PWSID WA5314050, Washington”, https://aquacensus.com/water-systems/washington/college-place-water-dept-wa5314050 (data as of October 1, 2026).