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Public water system · WA53SP615

Active

Olmstead Place State Park

At a glance

Olmstead Place State Park (PWSID WA53SP615) is an active transient non-community water system in Kittitas County, Washington. It reports serving 93 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2019.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

93

Service connections

4

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA53SP615
System typeTransient non-community water system
Activity statusActive
Population served93
Service connections4
Primary water sourceGroundwater
Owner typeState government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyKittitas County

How does Olmstead Place State Park compare with other water systems in Kittitas County?

By EPA's size categories, Olmstead Place State Park is a very small system (500 people or fewer). Kittitas County has 96 active public water systems. Its population served is well below the county average of 528 people per system, and accounts for 0.2% 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 Olmstead Place State Park is about 35% below 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 Olmstead Place State Park?

EPA lists Olmstead Place State Park 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 Olmstead Place State Park have drinking water violations?

EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2019. The violations listed here began between November 2005 and January 2019. By type: 2 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 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.

BeganViolationContaminant or ruleHealth-basedStatus
2019-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2005-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
2005-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

All 3 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.

Olmstead Place State Park: frequently asked questions

Who runs Olmstead Place State Park?

Olmstead Place State Park (PWSID WA53SP615) 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 Olmstead Place State Park serve?

Olmstead Place State Park reports serving 93 people through 4 service connections in Kittitas County, Washington.

Where does Olmstead Place State Park 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 Olmstead Place State Park have any drinking water violations?

EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2019. 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 Olmstead Place State Park'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 3 violations for this system; 2 are health-based, and the most recent began in January 2019. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Olmstead Place State Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Olmstead Place State Park 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 systemCountyPopulation servedTypeSource
Ellensburg Water DeptKittitas20,900CommunityGroundwater
Indian John Rest Area (Eb/Wb)Kittitas5,718Transient non-communityGroundwater
Suncadia ResortKittitas2,640CommunityPurchased surface water
Wanapum State ParkKittitas2,263Transient non-communityGroundwater
Kittitas City ofKittitas2,247CommunityGroundwater
Cle Elum Water DepartmentKittitas2,213CommunitySurface 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, “Olmstead Place State Park, PWSID WA53SP615, Washington”, https://aquacensus.com/water-systems/washington/olmstead-place-state-park-wa53sp615 (data as of October 1, 2026).