Public water system · WA5303456
ActiveRidge Water Association
At a glance
Ridge Water Association (PWSID WA5303456) is an active community water system in Spokane County, Washington. It reports serving 615 people through 199 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
615
Service connections
199
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Ridge Water Association compare with other water systems in Spokane County?
By EPA's size categories, Ridge Water Association is a small system (501 to 3,300 people). 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 Ridge Water Association 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 Ridge Water Association?
EPA lists Ridge Water Association as privately owned. 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. 93 of the 163 active systems in Spokane County (57%) are also privately owned.
Does Ridge Water Association have drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in July 2024. The violations listed here began between October 2000 and July 2024. By type: 5 public notice, recordkeeping or other, 2 monitoring and reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (5 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2000-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 9 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.
Ridge Water Association: frequently asked questions
Who runs Ridge Water Association?
Ridge Water Association (PWSID WA5303456) is a community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Ridge Water Association serve?
Ridge Water Association reports serving 615 people through 199 service connections in Spokane County, Washington.
Where does Ridge Water Association 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 Ridge Water Association have any drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in July 2024. 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 Ridge Water Association'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. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find Ridge Water Association's water quality report?
As a community water system, Ridge Water Association 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, “Ridge Water Association, PWSID WA5303456, Washington”, https://aquacensus.com/water-systems/washington/ridge-water-association-wa5303456 (data as of October 1, 2026).