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Public water system · WA5391250

Active

Vantage Water System

At a glance

Vantage Water System (PWSID WA5391250) is an active community water system in Kittitas County, Washington. It reports serving 405 people through 130 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 January 2024.

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

Population served

405

Service connections

130

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5391250
System typeCommunity water system
Activity statusActive
Population served405
Service connections130
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyKittitas County

How does Vantage Water System compare with other water systems in Kittitas County?

By EPA's size categories, Vantage Water System is a very small system (500 people or fewer). Kittitas County has 96 active public water systems. Its population served is about 23% below the county average of 528 people per system, and accounts for 0.8% 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 Vantage 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 Vantage Water System?

EPA lists Vantage Water System 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 Vantage Water System have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024. The violations listed here began between January 2011 and January 2024. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Nitrate (2 of them). 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
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2019-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2015-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2014-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved

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.

Vantage Water System: frequently asked questions

Who runs Vantage Water System?

Vantage Water System (PWSID WA5391250) is a community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Vantage Water System serve?

Vantage Water System reports serving 405 people through 130 service connections in Kittitas County, Washington.

Where does Vantage 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 Vantage Water System 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 January 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 Vantage 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 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 Vantage Water System's water quality report?

As a community water system, Vantage 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 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, “Vantage Water System, PWSID WA5391250, Washington”, https://aquacensus.com/water-systems/washington/vantage-water-system-wa5391250 (data as of October 1, 2026).