Public water system · WA53SP380
ActiveLake Easton State Park East
At a glance
Lake Easton State Park East (PWSID WA53SP380) is an active transient non-community water system in Kittitas County, Washington. It reports serving 234 people through 20 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
234
Service connections
20
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lake Easton State Park East compare with other water systems in Kittitas County?
By EPA's size categories, Lake Easton State Park East is a very small system (500 people or fewer). Kittitas County has 96 active public water systems. Its population served is about 56% below the county average of 528 people per system, and accounts for 0.5% of the 50,703 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Lake Easton State Park East is about 63% above that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Washington has 1,913 active transient non-community water systems, 41% 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 Lake Easton State Park East?
EPA lists Lake Easton State Park East as owned by a state 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. 7 of the 96 active systems in Kittitas County (7.3%) are also owned by a state government.
Does Lake Easton State Park East have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2014. The violations listed here began between August 1995 and December 2014. By type: 8 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 of them). EPA lists 7 as archived and 1 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 |
|---|---|---|---|---|
| 2014-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2003-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2000-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1999-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 8 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.
Lake Easton State Park East: frequently asked questions
Who runs Lake Easton State Park East?
Lake Easton State Park East (PWSID WA53SP380) is a transient non-community water system owned by a state government. It is regulated by the WA state drinking water program.
How many people does Lake Easton State Park East serve?
Lake Easton State Park East reports serving 234 people through 20 service connections in Kittitas County, Washington.
Where does Lake Easton State Park East 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 Lake Easton State Park East have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2014. 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 Lake Easton State Park East'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 8 violations for this system; none is health-based, and the most recent began in December 2014. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Lake Easton State Park East's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lake Easton State Park East is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Kittitas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ellensburg Water Dept | Kittitas | 20,900 | Community | Groundwater |
| Indian John Rest Area (Eb/Wb) | Kittitas | 5,718 | Transient non-community | Groundwater |
| Suncadia Resort | Kittitas | 2,640 | Community | Purchased surface water |
| Wanapum State Park | Kittitas | 2,263 | Transient non-community | Groundwater |
| Kittitas City of | Kittitas | 2,247 | Community | Groundwater |
| Cle Elum Water Department | Kittitas | 2,213 | 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, “Lake Easton State Park East, PWSID WA53SP380, Washington”, https://aquacensus.com/water-systems/washington/lake-easton-state-park-east-wa53sp380 (data as of October 1, 2026).