Public water system · WA5314691
ActiveLake Ridge Hills Water Assn
At a glance
Lake Ridge Hills Water Assn (PWSID WA5314691) is an active community water system in Grant County, Washington. It reports serving 30 people through 14 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
14
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lake Ridge Hills Water Assn compare with other water systems in Grant County?
By EPA's size categories, Lake Ridge Hills Water Assn is a very small system (500 people or fewer). Grant County has 265 active public water systems. Its population served is well below the county average of 543 people per system, and accounts for less than 0.1% of the 143,944 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 Lake Ridge Hills Water Assn 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 Lake Ridge Hills Water Assn?
EPA lists Lake Ridge Hills Water Assn 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. 227 of the 265 active systems in Grant County (86%) are also privately owned.
Does Lake Ridge Hills Water Assn have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Lake Ridge Hills Water Assn. For the latest compliance status, check EPA ECHO for current compliance history.
Lake Ridge Hills Water Assn: frequently asked questions
Who runs Lake Ridge Hills Water Assn?
Lake Ridge Hills Water Assn (PWSID WA5314691) is a community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Lake Ridge Hills Water Assn serve?
Lake Ridge Hills Water Assn reports serving 30 people through 14 service connections in Grant County, Washington.
Where does Lake Ridge Hills Water Assn 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 Lake Ridge Hills Water Assn have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Lake Ridge Hills Water Assn'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find Lake Ridge Hills Water Assn's water quality report?
As a community water system, Lake Ridge Hills Water Assn 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 Grant County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Moses Lake City of | Grant | 32,428 | Community | Groundwater |
| Gorge Amphitheatre | Grant | 25,119 | Transient non-community | Groundwater |
| Ephrata Water Department | Grant | 8,718 | Community | Groundwater |
| Quincy Water Department City of | Grant | 8,415 | Community | Groundwater |
| Mattawa City of | Grant | 5,370 | Community | Groundwater |
| Sun Lakes State Park | Grant | 4,858 | Transient non-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, “Lake Ridge Hills Water Assn, PWSID WA5314691, Washington”, https://aquacensus.com/water-systems/washington/lake-ridge-hills-water-assn-wa5314691 (data as of October 1, 2026).