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AquaCensus

Public water system · WA5308313

Active

Oien Construction

At a glance

Oien Construction (PWSID WA5308313) is an active transient non-community water system in Kitsap County, Washington. It reports serving 18 people through 5 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

18

Service connections

5

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA5308313
System typeTransient non-community water system
Activity statusActive
Population served18
Service connections5
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyKitsap County

How does Oien Construction compare with other water systems in Kitsap County?

By EPA's size categories, Oien Construction is a very small system (500 people or fewer). Kitsap County has 220 active public water systems. Its population served is well below the county average of 1,560 people per system, and accounts for less than 0.1% of the 343,203 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 Oien Construction 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 Oien Construction?

EPA lists Oien Construction 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. 164 of the 220 active systems in Kitsap County (75%) are also privately owned.

Does Oien Construction 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 Oien Construction. For the latest compliance status, check EPA ECHO for current compliance history.

Oien Construction: frequently asked questions

Who runs Oien Construction?

Oien Construction (PWSID WA5308313) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Oien Construction serve?

Oien Construction reports serving 18 people through 5 service connections in Kitsap County, Washington.

Where does Oien Construction 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 Oien Construction have any drinking water violations?

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

Is Oien Construction'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 Oien Construction's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Oien Construction 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 Kitsap County

Water systemCountyPopulation servedTypeSource
Bremerton City ofKitsap72,951CommunitySurface water
Silverdale Water Dist 16Kitsap35,163CommunityGroundwater
West Sound Utility District #1Kitsap28,930CommunityGroundwater
North Perry Ave Water DistrictKitsap24,402CommunityGroundwater
Poulsbo City ofKitsap18,400CommunityGroundwater
Naval Base Kitsap at BangorKitsap16,828CommunityGroundwater

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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, “Oien Construction, PWSID WA5308313, Washington”, https://aquacensus.com/water-systems/washington/oien-construction-wa5308313 (data as of October 1, 2026).