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AquaCensus

Public water system · WA5389487

Active

Tualco Water Association

At a glance

Tualco Water Association (PWSID WA5389487) is an active transient non-community water system in Snohomish County, Washington. It reports serving 21 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

21

Service connections

15

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA5389487
System typeTransient non-community water system
Activity statusActive
Population served21
Service connections15
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountySnohomish County

How does Tualco Water Association compare with other water systems in Snohomish County?

By EPA's size categories, Tualco Water Association is a very small system (500 people or fewer). 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 Tualco Water Association 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 Tualco Water Association?

EPA lists Tualco Water Association 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. 126 of the 167 active systems in Snohomish County (75%) are also privately owned.

Does Tualco Water Association have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Tualco Water Association. For the latest compliance status, check EPA ECHO for current compliance history.

Tualco Water Association: frequently asked questions

Who runs Tualco Water Association?

Tualco Water Association (PWSID WA5389487) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Tualco Water Association serve?

Tualco Water Association reports serving 21 people through 15 service connections in Snohomish County, Washington.

Where does Tualco Water Association 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 Tualco Water Association have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Tualco Water Association'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Tualco Water Association's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Tualco Water Association 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, “Tualco Water Association, PWSID WA5389487, Washington”, https://aquacensus.com/water-systems/washington/tualco-water-association-wa5389487 (data as of October 1, 2026).