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Public water system · WA5393351

Active

Spo Co Water Dist 3 Sys 1

At a glance

Spo Co Water Dist 3 Sys 1 (PWSID WA5393351) is an active community water system in Spokane County, Washington. It reports serving 19,035 people through 7,937 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 2017.

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

Population served

19,035

Service connections

7,937

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5393351
System typeCommunity water system
Activity statusActive
Population served19,035
Service connections7,937
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountySpokane County

How does Spo Co Water Dist 3 Sys 1 compare with other water systems in Spokane County?

By EPA's size categories, Spo Co Water Dist 3 Sys 1 is a large system (10,001 to 100,000 people). Spokane County has 163 active public water systems, and Spo Co Water Dist 3 Sys 1 is the 5th-largest of them by population served. Its population served is about 4.9 times the county average of 3,871 people per system, and accounts for 3% of the 631,008 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 Spo Co Water Dist 3 Sys 1 is about 184% 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 Spo Co Water Dist 3 Sys 1?

EPA lists Spo Co Water Dist 3 Sys 1 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. 55 of the 163 active systems in Spokane County (34%) are also owned by a local government.

Does Spo Co Water Dist 3 Sys 1 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 2017. The violations listed here began between October 2007 and January 2017. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (4 of them). EPA lists 11 as resolved and 1 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
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2015-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2015-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2015-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2015-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2014-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2014-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2014-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2014-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2007-10-01Monitoring and reportingMonitoring, Regular · code 03Ethylene dibromide (EDB)code 2946NoArchived
2007-10-01Monitoring and reportingMonitoring, Regular · code 03Diquatcode 2032NoResolved
2007-10-01Monitoring and reportingMonitoring, Regular · code 03Diquatcode 2032NoResolved

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.

Spo Co Water Dist 3 Sys 1: frequently asked questions

Who runs Spo Co Water Dist 3 Sys 1?

Spo Co Water Dist 3 Sys 1 (PWSID WA5393351) is a community water system owned by a local government. It is regulated by the WA state drinking water program.

How many people does Spo Co Water Dist 3 Sys 1 serve?

Spo Co Water Dist 3 Sys 1 reports serving 19,035 people through 7,937 service connections in Spokane County, Washington.

Where does Spo Co Water Dist 3 Sys 1 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 Spo Co Water Dist 3 Sys 1 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 2017. 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 Spo Co Water Dist 3 Sys 1'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 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Spo Co Water Dist 3 Sys 1's water quality report?

As a community water system, Spo Co Water Dist 3 Sys 1 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 Spokane County

Water systemCountyPopulation servedTypeSource
Spokane City ofSpokane346,138CommunityGroundwater
Whitworth Water District 2Spokane26,883CommunityGroundwater
Vera Water & PowerSpokane24,692CommunityGroundwater
Consolidated Irrig Dist 19 System 2Spokane21,220CommunityGroundwater
Modern Electric Water CoSpokane18,487CommunityGroundwater
Eastern Washington UniversitySpokane17,108CommunityGroundwater

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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, “Spo Co Water Dist 3 Sys 1, PWSID WA5393351, Washington”, https://aquacensus.com/water-systems/washington/spo-co-water-dist-3-sys-1-wa5393351 (data as of October 1, 2026).