Public water system · WA5366750
ActivePe Ell Town of
At a glance
Town of Pe Ell (PWSID WA5366750) is an active community water system in Lewis County, Washington. It reports serving 859 people through 418 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, 2 are health-based, and the most recent began in November 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
859
Service connections
418
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Town of Pe Ell compare with other water systems in Lewis County?
By EPA's size categories, Town of Pe Ell is a small system (501 to 3,300 people). Lewis County has 166 active public water systems. Its population served is about 60% above the county average of 537 people per system, and accounts for 1% of the 89,186 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 Town of Pe Ell 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. 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 Town of Pe Ell?
EPA lists Town of Pe Ell 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. 37 of the 166 active systems in Lewis County (22%) are also owned by a local government.
Does Town of Pe Ell have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2024. The violations listed here began between January 2021 and November 2024. By type: 9 monitoring and reporting, 2 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Surface Water Treatment Rule (5 of them). EPA lists 11 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 |
|---|---|---|---|---|
| 2024-11-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Long Term 2 Enhanced Surface Water Treatment Rulecode 0800 | Yes | Archived |
| 2024-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2024-08-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2024-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2021-10-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2021-03-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
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.
Town of Pe Ell: frequently asked questions
Who runs Town of Pe Ell?
Town of Pe Ell (PWSID WA5366750) is a community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Town of Pe Ell serve?
Town of Pe Ell reports serving 859 people through 418 service connections in Lewis County, Washington.
Where does Town of Pe Ell 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 Town of Pe Ell have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 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 Town of Pe Ell'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, 2 are health-based, and the most recent began in November 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 Town of Pe Ell's water quality report?
As a community water system, Town of Pe Ell 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 Lewis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Centralia Public Works - Water | Lewis | 28,164 | Community | Groundwater |
| Chehalis Water Department | Lewis | 11,718 | Community | Surface water |
| Winlock City of | Lewis | 3,502 | Community | Groundwater |
| Napavine City of | Lewis | 3,095 | Community | Groundwater |
| Boistfort Valley | Lewis | 2,389 | Community | Surface water |
| Morton City of | Lewis | 2,147 | Community | Surface water |
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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, “Pe Ell Town of, PWSID WA5366750, Washington”, https://aquacensus.com/water-systems/washington/pe-ell-town-of-wa5366750 (data as of October 1, 2026).