Skip to content
AquaCensus

Public water system · OR4193922

Active

Tri-County Industrial Park #2

At a glance

Tri-County Industrial Park #2 (PWSID OR4193922) is an active non-transient non-community water system in Washington County, Oregon. It reports serving 45 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024.

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

Population served

45

Service connections

3

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDOR4193922
System typeNon-transient non-community water system
Activity statusActive
Population served45
Service connections3
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyWashington County

How does Tri-County Industrial Park #2 compare with other water systems in Washington County?

By EPA's size categories, Tri-County Industrial Park #2 is a very small system (500 people or fewer). Washington County has 97 active public water systems. Its population served is well below the county average of 6,158 people per system, and accounts for less than 0.1% of the 597,296 people reported by systems filed under the county. Across Oregon, the 2,536 active systems average 1,587 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Tri-County Industrial Park #2 is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Oregon has 346 active non-transient non-community water systems, 14% of the state's 2,536 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,175 Oregon systems (86%) list groundwater as their primary source.

Who owns and regulates Tri-County Industrial Park #2?

EPA lists Tri-County Industrial Park #2 as privately owned. The OR state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 65 of the 97 active systems in Washington County (67%) are also privately owned.

Does Tri-County Industrial Park #2 have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. The violations listed here began between January 2005 and December 2024. By type: 8 monitoring and reporting and 4 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 12 as resolved. 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
2024-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-02-09Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2021-02-01MonitoringMonitoring, Additional Routine (RTCR) · code 3BRevised Total Coliform Rulecode 8000NoResolved
2020-11-01MonitoringMonitoring, Additional Routine (RTCR) · code 3BRevised Total Coliform Rulecode 8000NoResolved
2011-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Diquatcode 2032NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Dalaponcode 2031NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Pentachlorophenolcode 2326NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved

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.

Tri-County Industrial Park #2: frequently asked questions

Who runs Tri-County Industrial Park #2?

Tri-County Industrial Park #2 (PWSID OR4193922) is a non-transient non-community water system privately owned. It is regulated by the OR state drinking water program.

How many people does Tri-County Industrial Park #2 serve?

Tri-County Industrial Park #2 reports serving 45 people through 3 service connections in Washington County, Oregon.

Where does Tri-County Industrial Park #2 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 Tri-County Industrial Park #2 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 December 2024. 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 Tri-County Industrial Park #2'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 December 2024. For current results, consult EPA ECHO, or the OR state drinking water program.

Where can I find Tri-County Industrial Park #2's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Tri-County Industrial Park #2 is a non-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 County

Water systemCountyPopulation servedTypeSource
Tualatin Valley Water DistrictWashington224,600CommunityPurchased surface water
Hillsboro, City ofWashington92,632CommunityPurchased surface water
Beaverton, City ofWashington88,045CommunityPurchased surface water
Tigard, City ofWashington62,500CommunityPurchased surface water
Tualatin, City ofWashington28,106CommunityPurchased surface water
Forest Grove, City ofWashington26,838CommunitySurface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Tri-County Industrial Park #2, PWSID OR4193922, Oregon”, https://aquacensus.com/water-systems/oregon/tri-county-industrial-park-2-or4193922 (data as of October 1, 2026).