Public water system · WA5318290
ActiveStevens Co PUD - Riverside
At a glance
Stevens Co PUD - Riverside (PWSID WA5318290) is an active community water system in Spokane County, Washington. It reports serving 365 people through 171 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 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
365
Service connections
171
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Stevens Co PUD - Riverside compare with other water systems in Spokane County?
By EPA's size categories, Stevens Co PUD - Riverside is a very small system (500 people or fewer). Spokane County has 163 active public water systems. Its population served is well below the county average of 3,871 people per system, and accounts for less than 0.1% 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 Stevens Co PUD - Riverside 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 Stevens Co PUD - Riverside?
EPA lists Stevens Co PUD - Riverside 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 Stevens Co PUD - Riverside 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 2025. The violations listed here began between April 2020 and January 2025. By type: 12 monitoring and reporting. The contaminants or rules involved are Nitrate, 1,1,2-Trichloroethane, 1,1,1-Trichloroethane and p-Dichlorobenzene. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | 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.
Stevens Co PUD - Riverside: frequently asked questions
Who runs Stevens Co PUD - Riverside?
Stevens Co PUD - Riverside (PWSID WA5318290) is a community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Stevens Co PUD - Riverside serve?
Stevens Co PUD - Riverside reports serving 365 people through 171 service connections in Spokane County, Washington.
Where does Stevens Co PUD - Riverside 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 Stevens Co PUD - Riverside 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 2025. 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 Stevens Co PUD - Riverside'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 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find Stevens Co PUD - Riverside's water quality report?
As a community water system, Stevens Co PUD - Riverside 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, “Stevens Co PUD - Riverside, PWSID WA5318290, Washington”, https://aquacensus.com/water-systems/washington/stevens-co-pud-riverside-wa5318290 (data as of October 1, 2026).