Public water system · WA5320276
ActiveWalter Walker Water Works
At a glance
Walter Walker Water Works (PWSID WA5320276) is an active community water system in King County, Washington. It reports serving 42 people through 16 service connections. Its primary water source is purchased 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
42
Service connections
16
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Walter Walker Water Works compare with other water systems in King County?
By EPA's size categories, Walter Walker Water Works is a very small system (500 people or fewer). King County has 214 active public water systems. Its population served is well below the county average of 15,523 people per system, and accounts for less than 0.1% of the 3,321,960 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 Walter Walker Water Works 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 53 Washington systems (1.1%) list purchased groundwater as their primary source.
Who owns and regulates Walter Walker Water Works?
EPA lists Walter Walker Water Works 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. 142 of the 214 active systems in King County (66%) are also privately owned.
Does Walter Walker Water Works 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 Walter Walker Water Works. For the latest compliance status, check EPA ECHO for current compliance history.
Walter Walker Water Works: frequently asked questions
Who runs Walter Walker Water Works?
Walter Walker Water Works (PWSID WA5320276) is a community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Walter Walker Water Works serve?
Walter Walker Water Works reports serving 42 people through 16 service connections in King County, Washington.
Where does Walter Walker Water Works get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Walter Walker Water Works have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Walter Walker Water Works' 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 Walter Walker Water Works' water quality report?
As a community water system, Walter Walker Water Works 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 King County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Seattle Public Utilities | King | 1,161,961 | Community | Surface water |
| Bellevue City of | King | 321,349 | Community | Purchased surface water |
| Kent Water Department | King | 166,421 | Community | Purchased surface water |
| Redmond Water System City of | King | 163,335 | Community | Purchased surface water |
| Lakehaven Water and Sewer District | King | 148,809 | Community | Purchased surface water |
| Renton City of | King | 108,091 | 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, “Walter Walker Water Works, PWSID WA5320276, Washington”, https://aquacensus.com/water-systems/washington/walter-walker-water-works-wa5320276 (data as of October 1, 2026).