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AquaCensus

Public water system · WA5393450

Active

Washtucna Water Department

At a glance

Washtucna Water Department (PWSID WA5393450) is an active community water system in Adams County, Washington. It reports serving 250 people through 150 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 January 2023.

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

Population served

250

Service connections

150

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5393450
System typeCommunity water system
Activity statusActive
Population served250
Service connections150
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyAdams County

How does Washtucna Water Department compare with other water systems in Adams County?

By EPA's size categories, Washtucna Water Department is a very small system (500 people or fewer). Adams County has 49 active public water systems. Its population served is about half of the county average of 525 people per system, and accounts for 1% of the 25,710 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 Washtucna Water Department 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 Washtucna Water Department?

EPA lists Washtucna Water Department 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. 8 of the 49 active systems in Adams County (16%) are also owned by a local government.

Does Washtucna Water Department 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 2023. The violations listed here began between January 2023 and January 2023. By type: 12 monitoring and reporting. The contaminants or rules involved are Cyanide, Beryllium, Selenium and Cadmium. EPA lists 10 as resolved and 2 as archived. 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. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Cyanidecode 1024NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoArchived
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved

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.

Washtucna Water Department: frequently asked questions

Who runs Washtucna Water Department?

Washtucna Water Department (PWSID WA5393450) is a community water system owned by a local government. It is regulated by the WA state drinking water program.

How many people does Washtucna Water Department serve?

Washtucna Water Department reports serving 250 people through 150 service connections in Adams County, Washington.

Where does Washtucna Water Department 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 Washtucna Water Department 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 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 Washtucna Water Department'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 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Washtucna Water Department's water quality report?

As a community water system, Washtucna Water Department 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 Adams County

Water systemCountyPopulation servedTypeSource
Othello Water DepartmentAdams8,755CommunityGroundwater
Hatton Coulee Rest AreaAdams3,882Transient non-communityGroundwater
Schrag Eb/Wb Rest AreasAdams3,734Transient non-communityGroundwater
Ritzville Water DepartmentAdams1,725CommunityGroundwater
Lind Town ofAdams903CommunityGroundwater
Adams County Water Dist #1Adams870CommunityPurchased groundwater

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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, “Washtucna Water Department, PWSID WA5393450, Washington”, https://aquacensus.com/water-systems/washington/washtucna-water-department-wa5393450 (data as of October 1, 2026).