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Public water system · WA5330110

Active

Guemes Island Resort

At a glance

Guemes Island Resort (PWSID WA5330110) is an active transient non-community water system in Skagit County, Washington. It reports serving 54 people through 14 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2013.

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

Population served

54

Service connections

14

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA5330110
System typeTransient non-community water system
Activity statusActive
Population served54
Service connections14
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountySkagit County

How does Guemes Island Resort compare with other water systems in Skagit County?

By EPA's size categories, Guemes Island Resort is a very small system (500 people or fewer). Skagit County has 85 active public water systems. Its population served is well below the county average of 1,874 people per system, and accounts for less than 0.1% of the 159,261 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 Guemes Island Resort is about 62% 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 Guemes Island Resort?

EPA lists Guemes Island Resort 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. 68 of the 85 active systems in Skagit County (80%) are also privately owned.

Does Guemes Island Resort have drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2013. The violations listed here began between February 1999 and August 2013. By type: 8 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 of them). EPA lists 4 as resolved and 4 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
2013-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2000-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1999-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1999-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 8 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.

Guemes Island Resort: frequently asked questions

Who runs Guemes Island Resort?

Guemes Island Resort (PWSID WA5330110) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Guemes Island Resort serve?

Guemes Island Resort reports serving 54 people through 14 service connections in Skagit County, Washington.

Where does Guemes Island Resort 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 Guemes Island Resort have any drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2013. 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 Guemes Island Resort'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. EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2013. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Guemes Island Resort's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Guemes Island Resort 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 Skagit County

Water systemCountyPopulation servedTypeSource
Skagit County PUD 1 Judy ResSkagit111,415CommunitySurface water
Anacortes City ofSkagit25,109CommunitySurface water
Shelter Bay Community Inc.Skagit2,212CommunityPurchased surface water
Skagit Co Water District #1Skagit1,974CommunityGroundwater
La Conner Water DeptSkagit1,821CommunityPurchased surface water
Blanchard Edison Water Assn. Inc..Skagit1,480CommunityGroundwater

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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, “Guemes Island Resort, PWSID WA5330110, Washington”, https://aquacensus.com/water-systems/washington/guemes-island-resort-wa5330110 (data as of October 1, 2026).