Skip to content
AquaCensus

Public water system · WA5301265

Active

Alderwood East

At a glance

Alderwood East (PWSID WA5301265) is an active community water system in Clallam County, Washington. It reports serving 39 people through 16 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 2007.

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

Population served

39

Service connections

16

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5301265
System typeCommunity water system
Activity statusActive
Population served39
Service connections16
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyClallam County

How does Alderwood East compare with other water systems in Clallam County?

By EPA's size categories, Alderwood East is a very small system (500 people or fewer). Clallam County has 100 active public water systems. Its population served is well below the county average of 879 people per system, and accounts for less than 0.1% of the 87,933 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 Alderwood East 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 Alderwood East?

EPA lists Alderwood East 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. 75 of the 100 active systems in Clallam County (75%) are also privately owned.

Does Alderwood East 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 2007. The violations listed here began between April 2005 and January 2007. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, p-Dichlorobenzene, Vinyl chloride and 1,1-Dichloroethylene. 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
2007-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Chlorobenzenecode 2989NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved

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.

Alderwood East: frequently asked questions

Who runs Alderwood East?

Alderwood East (PWSID WA5301265) is a community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Alderwood East serve?

Alderwood East reports serving 39 people through 16 service connections in Clallam County, Washington.

Where does Alderwood 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 Alderwood East 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 2007. 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 Alderwood 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2007. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Alderwood East's water quality report?

As a community water system, Alderwood East 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 Clallam County

Water systemCountyPopulation servedTypeSource
Port Angeles City ofClallam28,067CommunitySurface water
Sequim City ofClallam14,293CommunityGroundwater
Port Angeles CompositeClallam8,872CommunitySurface water
Forks Municipal Water DeptClallam3,468CommunityGroundwater
Dry Creek Water AssociationClallam3,030CommunityGroundwater
West Sequim Bay Inc.Clallam2,759CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Alderwood East, PWSID WA5301265, Washington”, https://aquacensus.com/water-systems/washington/alderwood-east-wa5301265 (data as of October 1, 2026).