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Public water system · WA5330260

Active

Guthrie Cove Estates Owners Assoc

At a glance

Guthrie Cove Estates Owners Assoc (PWSID WA5330260) is an active transient non-community water system in San Juan County, Washington. It reports serving 25 people through 20 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 September 2020.

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

Population served

25

Service connections

20

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA5330260
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections20
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountySan Juan County

How does Guthrie Cove Estates Owners Assoc compare with other water systems in San Juan County?

By EPA's size categories, Guthrie Cove Estates Owners Assoc 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 less than 0.1% 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 transient non-community water system reports serving 144 people, so Guthrie Cove Estates Owners Assoc is well below that figure.

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

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Washington has 1,913 active transient non-community water systems, 41% 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 Guthrie Cove Estates Owners Assoc?

EPA lists Guthrie Cove Estates Owners Assoc 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. 92 of the 112 active systems in San Juan County (82%) are also privately owned.

Does Guthrie Cove Estates Owners Assoc have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2020. The violations listed here began between October 1979 and September 2020. By type: 11 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Nitrate (6 of them). EPA lists 6 as resolved and 6 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2020-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2009-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
2006-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2006-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2006-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2006-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2006-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2000-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoArchived
1979-10-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoArchived

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.

Guthrie Cove Estates Owners Assoc: frequently asked questions

Who runs Guthrie Cove Estates Owners Assoc?

Guthrie Cove Estates Owners Assoc (PWSID WA5330260) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Guthrie Cove Estates Owners Assoc serve?

Guthrie Cove Estates Owners Assoc reports serving 25 people through 20 service connections in San Juan County, Washington.

Where does Guthrie Cove Estates Owners Assoc 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 Guthrie Cove Estates Owners Assoc 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 September 2020. 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 Guthrie Cove Estates Owners Assoc'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 September 2020. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Guthrie Cove Estates Owners Assoc's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Guthrie Cove Estates Owners Assoc is a 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, “Guthrie Cove Estates Owners Assoc, PWSID WA5330260, Washington”, https://aquacensus.com/water-systems/washington/guthrie-cove-estates-owners-assoc-wa5330260 (data as of October 1, 2026).