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Public water system · WA53SP970

Active

Wallace Falls State Park

At a glance

Wallace Falls State Park (PWSID WA53SP970) is an active transient non-community water system in Snohomish County, Washington. It reports serving 759 people through 9 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in November 2022.

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

Population served

759

Service connections

9

Primary source

GWP

Purchased groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA53SP970
System typeTransient non-community water system
Activity statusActive
Population served759
Service connections9
Primary water sourcePurchased groundwater
Owner typeState government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountySnohomish County

How does Wallace Falls State Park compare with other water systems in Snohomish County?

By EPA's size categories, Wallace Falls State Park is a small system (501 to 3,300 people). Snohomish County has 167 active public water systems. Its population served is well below the county average of 6,200 people per system, and accounts for less than 0.1% of the 1,035,433 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 Wallace Falls State Park is about 5.3 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 53 Washington systems (1.1%) list purchased groundwater as their primary source.

Who owns and regulates Wallace Falls State Park?

EPA lists Wallace Falls State Park as owned by a state 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. 2 of the 167 active systems in Snohomish County (1.2%) are also owned by a state government.

Does Wallace Falls State Park have drinking water violations?

EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in November 2022. The violations listed here began between October 2003 and November 2022. By type: 2 monitoring and reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as archived and 1 as resolved. 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. 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
2022-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2004-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
2003-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2003-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 4 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.

Wallace Falls State Park: frequently asked questions

Who runs Wallace Falls State Park?

Wallace Falls State Park (PWSID WA53SP970) is a transient non-community water system owned by a state government. It is regulated by the WA state drinking water program.

How many people does Wallace Falls State Park serve?

Wallace Falls State Park reports serving 759 people through 9 service connections in Snohomish County, Washington.

Where does Wallace Falls State Park get its water?

EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.

Does Wallace Falls State Park have any drinking water violations?

EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in November 2022. 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 Wallace Falls State Park'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 4 violations for this system; 1 is health-based, and the most recent began in November 2022. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Wallace Falls State Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Wallace Falls State Park 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 Snohomish County

Water systemCountyPopulation servedTypeSource
Alderwood Water DistrictSnohomish245,715CommunityPurchased surface water
Everett Public Works Dept. City ofSnohomish215,774CommunitySurface water
Marysville UtilitiesSnohomish88,582CommunityPurchased surface water
Lynnwood City ofSnohomish68,204CommunityPurchased surface water
Sno PUD 1 - Lake StevensSnohomish67,710CommunityPurchased surface water
Silver Lake Water & Sewer DistrictSnohomish65,033CommunityPurchased 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, “Wallace Falls State Park, PWSID WA53SP970, Washington”, https://aquacensus.com/water-systems/washington/wallace-falls-state-park-wa53sp970 (data as of October 1, 2026).