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Public water system · WA5300410

Active

Admirals Cove Water District

At a glance

Admirals Cove Water District (PWSID WA5300410) is an active community water system in Island County, Washington. It reports serving 870 people through 536 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025.

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

Population served

870

Service connections

536

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5300410
System typeCommunity water system
Activity statusActive
Population served870
Service connections536
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyIsland County

How does Admirals Cove Water District compare with other water systems in Island County?

By EPA's size categories, Admirals Cove Water District is a small system (501 to 3,300 people). Island County has 307 active public water systems. Its population served is about 159% above the county average of 335 people per system, and accounts for 0.8% of the 102,977 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 Admirals Cove Water District 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 Admirals Cove Water District?

EPA lists Admirals Cove Water District 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. 27 of the 307 active systems in Island County (8.8%) are also owned by a local government.

Does Admirals Cove Water District 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 2025. The violations listed here began between January 2011 and July 2025. By type: 10 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (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
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2014-08-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2014-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Toluenecode 2991NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved

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.

Admirals Cove Water District: frequently asked questions

Who runs Admirals Cove Water District?

Admirals Cove Water District (PWSID WA5300410) is a community water system owned by a local government. It is regulated by the WA state drinking water program.

How many people does Admirals Cove Water District serve?

Admirals Cove Water District reports serving 870 people through 536 service connections in Island County, Washington.

Where does Admirals Cove Water District 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 Admirals Cove Water District 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 2025. 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 Admirals Cove Water District'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 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Admirals Cove Water District's water quality report?

As a community water system, Admirals Cove Water District 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 Island County

Water systemCountyPopulation servedTypeSource
Oak Harbor City ofIsland23,675CommunityPurchased surface water
Naval Air Station/Whidbey IslandIsland16,595CommunityPurchased surface water
Coupeville Town ofIsland4,142CommunityGroundwater
Camano Water AssociationIsland2,592CommunityGroundwater
Clinton Water DistrictIsland1,980CommunityGroundwater
Camano Island State ParkIsland1,718Transient non-communityGroundwater

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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, “Admirals Cove Water District, PWSID WA5300410, Washington”, https://aquacensus.com/water-systems/washington/admirals-cove-water-district-wa5300410 (data as of October 1, 2026).