Public water system · WA5397100
ActiveWillapa Valley Water District
At a glance
Willapa Valley Water District (PWSID WA5397100) is an active community water system in Pacific County, Washington. It reports serving 2,425 people through 765 service connections. Its primary water source is surface water, 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 April 2008.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,425
Service connections
765
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Willapa Valley Water District compare with other water systems in Pacific County?
By EPA's size categories, Willapa Valley Water District is a small system (501 to 3,300 people). Pacific County has 38 active public water systems. Its population served is about 173% above the county average of 888 people per system, and accounts for 7.2% of the 33,728 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 Willapa Valley Water District is about 64% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 140 Washington systems (3%) list surface water as their primary source.
Who owns and regulates Willapa Valley Water District?
EPA lists Willapa Valley Water District 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. 13 of the 38 active systems in Pacific County (34%) are also owned by a local government.
Does Willapa Valley Water District have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2008. The violations listed here began between April 2008 and April 2008. By type: 12 monitoring and reporting. The contaminants or rules involved are 1,1,1-Trichloroethane, Ethylbenzene, Tetrachloroethylene and Trichloroethylene. EPA lists 12 as archived. 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 |
|---|---|---|---|---|
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Archived |
| 2008-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Archived |
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.
Willapa Valley Water District: frequently asked questions
Who runs Willapa Valley Water District?
Willapa Valley Water District (PWSID WA5397100) is a community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Willapa Valley Water District serve?
Willapa Valley Water District reports serving 2,425 people through 765 service connections in Pacific County, Washington.
Where does Willapa Valley Water District get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Willapa Valley Water District 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 April 2008. 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 Willapa Valley Water District'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 April 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find Willapa Valley Water District's water quality report?
As a community water system, Willapa Valley Water District 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 Pacific County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| North Beach Water | Pacific | 8,093 | Community | Groundwater |
| Long Beach Water Department | Pacific | 4,628 | Community | Surface water |
| Raymond Water Department | Pacific | 4,620 | Community | Surface water |
| South Bend Water Department | Pacific | 2,930 | Community | Surface water |
| Ilwaco Water Department City of | Pacific | 2,757 | Community | Surface water |
| Surfside Homeowners | Pacific | 2,687 | 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, “Willapa Valley Water District, PWSID WA5397100, Washington”, https://aquacensus.com/water-systems/washington/willapa-valley-water-district-wa5397100 (data as of October 1, 2026).