Public water system · WA5393354

Active

Spo Co Water Dist 3 Sys 4

At a glance

Spo Co Water Dist 3 Sys 4 (PWSID WA5393354) is an active community water system in Spokane County, Washington. It reports serving 6,233 people through 2,580 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 2016.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

6,233

Service connections

2,580

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5393354

System typeCommunity water system

Activity statusActive

Population served6,233

Service connections2,580

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 4 compare with other water systems in Spokane County?

By EPA's size categories, Spo Co Water Dist 3 Sys 4 is a medium system (3,301 to 10,000 people). Spokane County has 163 active public water systems. Its population served is about 61% above the county average of 3,871 people per system, and accounts for 1% 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 4 is roughly in line with 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 4?

EPA lists Spo Co Water Dist 3 Sys 4 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 4 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 2016. The violations listed here began between July 2016 and July 2016. By type: 12 monitoring and reporting. The contaminants or rules involved are trans-1,2-Dichloroethylene, Trichloroethylene, Dichloromethane and 1,1-Dichloroethylene. 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.

Began	Violation	Contaminant or rule	Health-based	Status
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	trans-1,2-Dichloroethylenecode 2979	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	Trichloroethylenecode 2984	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	Dichloromethanecode 2964	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	1,1-Dichloroethylenecode 2977	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	1,1,1-Trichloroethanecode 2981	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	1,2-Dichloropropanecode 2983	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	p-Dichlorobenzenecode 2969	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	1,2,4-Trichlorobenzenecode 2378	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	o-Dichlorobenzenecode 2968	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	Vinyl chloridecode 2976	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	Styrenecode 2996	No	Resolved
2016-07-01	Monitoring and reportingMonitoring, Regular · code 03	1,1,2-Trichloroethanecode 2985	No	Resolved

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 4: frequently asked questions

Who runs Spo Co Water Dist 3 Sys 4?

Spo Co Water Dist 3 Sys 4 (PWSID WA5393354) 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 4 serve?

Spo Co Water Dist 3 Sys 4 reports serving 6,233 people through 2,580 service connections in Spokane County, Washington.

Where does Spo Co Water Dist 3 Sys 4 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 4 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 2016. 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 4'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 2016. 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 4's water quality report?

As a community water system, Spo Co Water Dist 3 Sys 4 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 system	County	Population served	Type	Source
Spokane City of	Spokane	346,138	Community	Groundwater
Whitworth Water District 2	Spokane	26,883	Community	Groundwater
Vera Water & Power	Spokane	24,692	Community	Groundwater
Consolidated Irrig Dist 19 System 2	Spokane	21,220	Community	Groundwater
Spo Co Water Dist 3 Sys 1	Spokane	19,035	Community	Groundwater
Modern Electric Water Co	Spokane	18,487	Community	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, “Spo Co Water Dist 3 Sys 4, PWSID WA5393354, Washington”, https://aquacensus.com/water-systems/washington/spo-co-water-dist-3-sys-4-wa5393354 (data as of October 1, 2026).