Public water system · WA5349000
ActiveLyle Water System
At a glance
Lyle Water System (PWSID WA5349000) is an active community water system in Klickitat County, Washington. It reports serving 938 people through 288 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in October 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
938
Service connections
288
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lyle Water System compare with other water systems in Klickitat County?
By EPA's size categories, Lyle Water System is a small system (501 to 3,300 people). Klickitat County has 51 active public water systems, and Lyle Water System is the 6th-largest of them by population served. Its population served is about twice the county average of 432 people per system, and accounts for 4.3% of the 22,044 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 Lyle Water System 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 Lyle Water System?
EPA lists Lyle Water System 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. 15 of the 51 active systems in Klickitat County (29%) are also owned by a local government.
Does Lyle Water System have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in October 2015. The violations listed here began between October 1979 and October 2015. By type: 5 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as archived and 2 as resolved. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2015-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1996-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-08-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 6 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.
Lyle Water System: frequently asked questions
Who runs Lyle Water System?
Lyle Water System (PWSID WA5349000) is a community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Lyle Water System serve?
Lyle Water System reports serving 938 people through 288 service connections in Klickitat County, Washington.
Where does Lyle Water System 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 Lyle Water System have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in October 2015. 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 Lyle Water System'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 records list 6 violations for this system; 1 is health-based, and the most recent began in October 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find Lyle Water System's water quality report?
As a community water system, Lyle Water System 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 Klickitat County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Goldendale City of | Klickitat | 4,314 | Community | Groundwater |
| White Salmon City of | Klickitat | 4,077 | Community | Surface water |
| Bingen Water Dept | Klickitat | 1,758 | Community | Purchased surface water |
| Maryhill State Park | Klickitat | 1,133 | Transient non-community | Groundwater |
| Glacier Springs Water Assn | Klickitat | 992 | Community | Groundwater |
| Glenwood Water System | Klickitat | 629 | 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, “Lyle Water System, PWSID WA5349000, Washington”, https://aquacensus.com/water-systems/washington/lyle-water-system-wa5349000 (data as of October 1, 2026).