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Public water system · WA53AB290

Active

Grasslands Park

At a glance

Grasslands Park (PWSID WA53AB290) is an active community water system in Kittitas County, Washington. It reports serving 29 people through 14 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2019.

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

Population served

29

Service connections

14

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA53AB290
System typeCommunity water system
Activity statusActive
Population served29
Service connections14
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyKittitas County

How does Grasslands Park compare with other water systems in Kittitas County?

By EPA's size categories, Grasslands 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 less than 0.1% 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 community water system reports serving 6,703 people, so Grasslands Park 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 Grasslands Park?

EPA lists Grasslands Park as privately owned. 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. 72 of the 96 active systems in Kittitas County (75%) are also privately owned.

Does Grasslands Park have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2019. The violations listed here began between January 2017 and July 2019. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Consumer Confidence Rule, o-Dichlorobenzene, Vinyl chloride and Thallium. EPA lists 12 as resolved. 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
2019-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Chlorobenzenecode 2989NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoResolved

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.

Grasslands Park: frequently asked questions

Who runs Grasslands Park?

Grasslands Park (PWSID WA53AB290) is a community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Grasslands Park serve?

Grasslands Park reports serving 29 people through 14 service connections in Kittitas County, Washington.

Where does Grasslands 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 Grasslands Park 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 July 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 Grasslands 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Grasslands Park's water quality report?

As a community water system, Grasslands Park 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 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, “Grasslands Park, PWSID WA53AB290, Washington”, https://aquacensus.com/water-systems/washington/grasslands-park-wa53ab290 (data as of October 1, 2026).