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Public water system · WA53AD538

Active

San Juan County Pw - Beaverton

At a glance

San Juan County Pw - Beaverton (PWSID WA53AD538) is an active non-transient non-community water system in San Juan County, Washington. It reports serving 61 people through 2 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 October 2025.

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

Population served

61

Service connections

2

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDWA53AD538
System typeNon-transient non-community water system
Activity statusActive
Population served61
Service connections2
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountySan Juan County

How does San Juan County Pw - Beaverton compare with other water systems in San Juan County?

By EPA's size categories, San Juan County Pw - Beaverton is a very small system (500 people or fewer). San Juan County has 112 active public water systems. Its population served is well below the county average of 361 people per system, and accounts for 0.2% of the 40,377 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so San Juan County Pw - Beaverton is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Washington has 400 active non-transient non-community water systems, 8.5% 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 San Juan County Pw - Beaverton?

EPA lists San Juan County Pw - Beaverton 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. 9 of the 112 active systems in San Juan County (8%) are also owned by a local government.

Does San Juan County Pw - Beaverton have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. The violations listed here began between July 2025 and October 2025. By type: 12 monitoring and reporting. The contaminants or rules involved are Pentachlorophenol, 2,4,5-TP (Silvex), Dinoseb and Dalapon. 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
2025-10-01Monitoring and reportingMonitoring, Regular · code 03Pentachlorophenolcode 2326NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 032,4,5-TP (Silvex)code 2110NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03Dinosebcode 2041NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03Dalaponcode 2031NoResolved
2025-10-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoResolved
2025-07-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
2025-07-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2025-07-01Monitoring and reportingMonitoring, Regular · code 03Benzo(a)pyrenecode 2306NoResolved
2025-07-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2025-07-01Monitoring and reportingMonitoring, Regular · code 03Toluenecode 2991NoResolved
2025-07-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
2025-07-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved

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.

San Juan County Pw - Beaverton: frequently asked questions

Who runs San Juan County Pw - Beaverton?

San Juan County Pw - Beaverton (PWSID WA53AD538) is a non-transient non-community water system owned by a local government. It is regulated by the WA state drinking water program.

How many people does San Juan County Pw - Beaverton serve?

San Juan County Pw - Beaverton reports serving 61 people through 2 service connections in San Juan County, Washington.

Where does San Juan County Pw - Beaverton 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 San Juan County Pw - Beaverton 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 October 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 San Juan County Pw - Beaverton'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 October 2025. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find San Juan County Pw - Beaverton's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. San Juan County Pw - Beaverton is a non-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 San Juan County

Water systemCountyPopulation servedTypeSource
Moran State Park-Mountain LakeSan Juan4,804Transient non-communitySurface water
Moran State Park - Summit LakeSan Juan4,803Transient non-communityGroundwater under influence of surface water
Moran State Park-Cascade LakeSan Juan4,783Transient non-communitySurface water
Eastsound Water Users AssociationSan Juan3,711CommunitySurface water
Friday Harbor Town ofSan Juan3,543CommunitySurface water
Limekiln State ParkSan Juan2,149Transient 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, “San Juan County Pw - Beaverton, PWSID WA53AD538, Washington”, https://aquacensus.com/water-systems/washington/san-juan-county-pw-beaverton-wa53ad538 (data as of October 1, 2026).