Public water system · WA5394350
ActiveWenatchee City of
At a glance
City of Wenatchee (PWSID WA5394350) is an active community water system in Chelan County, Washington. It reports serving 43,690 people through 11,256 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 October 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
43,690
Service connections
11,256
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Wenatchee compare with other water systems in Chelan County?
By EPA's size categories, City of Wenatchee is a large system (10,001 to 100,000 people). Chelan County has 131 active public water systems, and City of Wenatchee is the largest of them by population served. Its population served is about 47 times the county average of 931 people per system, and accounts for 36% of the 121,966 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 City of Wenatchee is about 6.5 times 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 City of Wenatchee?
EPA lists City of Wenatchee 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. 22 of the 131 active systems in Chelan County (17%) are also owned by a local government.
Does City of Wenatchee have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2006. The violations listed here began between October 2006 and October 2006. By type: 12 monitoring and reporting. The contaminants or rules involved are Pentachlorophenol, 2,4,5-TP (Silvex), Hexachlorobenzene and Di(2-ethylhexyl) phthalate. 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 |
|---|---|---|---|---|
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfonecode 2044 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | 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.
City of Wenatchee: frequently asked questions
Who runs City of Wenatchee?
City of Wenatchee (PWSID WA5394350) is a community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does City of Wenatchee serve?
City of Wenatchee reports serving 43,690 people through 11,256 service connections in Chelan County, Washington.
Where does City of Wenatchee 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 City of Wenatchee 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 October 2006. 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 City of Wenatchee'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 October 2006. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find City of Wenatchee's water quality report?
As a community water system, City of Wenatchee 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 Chelan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chelan Co PUD 1 | Chelan | 16,190 | Community | Purchased groundwater |
| Leavenworth City of | Chelan | 11,041 | Community | Surface water |
| Chelan Water Dept City of | Chelan | 9,425 | Community | Surface water |
| Lake Chelan Reclamation District | Chelan | 6,798 | Community | Surface water |
| Cashmere Water Department | Chelan | 5,815 | Community | Surface water |
| Lake Wenatchee State Park South Si | Chelan | 2,591 | 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, “Wenatchee City of, PWSID WA5394350, Washington”, https://aquacensus.com/water-systems/washington/wenatchee-city-of-wa5394350 (data as of October 1, 2026).