Public water system · 105338104

Active

Skokomish Park Lower Loop

At a glance

Skokomish Park Lower Loop (PWSID 105338104) is an active transient non-community water system in Washington. It reports serving 2,503 people through 39 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

2,503

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSID105338104

System typeTransient non-community water system

Activity statusActive

Population served2,503

Service connections39

Primary water sourceGroundwater

Owner typeNative American

Primacy agencyEPA Region 10

City served—

StateWashington

ZIP—

County—

How does Skokomish Park Lower Loop compare with other water systems in Washington?

By EPA's size categories, Skokomish Park Lower Loop is a small system (501 to 3,300 people). 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 Skokomish Park Lower Loop is about 17 times 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 Skokomish Park Lower Loop?

EPA lists Skokomish Park Lower Loop as Native American-owned. The EPA Region 10 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.

Does Skokomish Park Lower Loop 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 2026. The violations listed here began between April 2017 and January 2026. By type: 8 reporting, 3 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (11 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2026-01-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2025-07-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2024-09-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Unaddressed
2024-06-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2023-12-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2021-09-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2019-08-30	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2018-10-10	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2018-09-11	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2018-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2018-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2017-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved

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.

Skokomish Park Lower Loop: frequently asked questions

Who runs Skokomish Park Lower Loop?

Skokomish Park Lower Loop (PWSID 105338104) is a transient non-community water system Native American-owned. It is regulated by the EPA Region 10.

How many people does Skokomish Park Lower Loop serve?

Skokomish Park Lower Loop reports serving 2,503 people through 39 service connections in Washington.

Where does Skokomish Park Lower Loop 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 Skokomish Park Lower Loop 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 2026. 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 Skokomish Park Lower Loop'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 2026. For current results, consult EPA ECHO, or the EPA Region 10.

Where can I find Skokomish Park Lower Loop's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Skokomish Park Lower Loop 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 Washington

Water system	County	Population served	Type	Source
Seattle Public Utilities	King	1,161,961	Community	Surface water
Tacoma Water Division City of	Pierce	446,170	Community	Surface water
Vancouver City of	Clark	373,047	Community	Groundwater
Spokane City of	Spokane	346,138	Community	Groundwater
Bellevue City of	King	321,349	Community	Purchased surface water
Alderwood Water District	Snohomish	245,715	Community	Purchased surface water

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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, “Skokomish Park Lower Loop, PWSID 105338104, Washington”, https://aquacensus.com/water-systems/washington/skokomish-park-lower-loop-105338104 (data as of October 1, 2026).