OR4100906
OR
No open health violations

City of Tualatin

Surface water · Local · 18880 SW MARTINAZZI AVE, TERRANCE LEAHY

This page shows official EPA compliance records for City of Tualatin, including PFAS monitoring data, violation history, contaminant test results, treatment options, and certified testing lab links for Oregon.

PFAS monitoring records (UCMR 5)Available
Health-based violationsNot in current records
Contaminant test data (CCR)Not in current records
Treatment recommendationsNot in current records

City of Tualatin is a surface water system serving 28,106 residents in Oregon (PWSID: OR4100906). No open health-based violations are recorded in the EPA federal database for this system. EPA UCMR 5 monitoring returned 170 PFAS records for this utility.

At a Glance

OR4100906
Risk levelsafe
Open violationsNone on record
PFAS records170 UCMR 5 records
Population served28,106
Source waterSurface water
Data sourceEPA ECHO ↗

Intelligence Summary · City of Tualatin

Risk LevelSafe
Open Health ViolationsNone on record
PFAS Records170 UCMR5 monitoring records on file
Population Served28,106 residents
Source WaterSurface water
OwnershipLocal
Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

No open health violations on record. This utility has no active EPA violations involving contaminants exceeding legal limits. Always verify with your utility's Consumer Confidence Report for annual test results.

Utility Overview

Population Served

28,106

Source Type

Surface water

Ownership

Local

PWSID

OR4100906

Detected Contaminants

CCR data ingestion in progress

Contaminant detection levels from Consumer Confidence Reports are being parsed and linked to utilities. Check back soon, or view the official report directly from the EPA links below.

View on EPA ECHO

Violation History

Sourced from EPA SDWIS. Health-based violations mean a contaminant exceeded the legal limit. Monitoring/Reporting violations mean required test results were not submitted to EPA — not necessarily that the water is unsafe.

Monitoring & ReportingTotal Trihalomethanes (TTHMs)

Resolved
Jan 2017 – Jun 2017Monitoring/Reporting failure

Monitoring & ReportingHaloacetic Acids (HAA5)

Resolved
Jan 2017 – Jun 2017Monitoring/Reporting failure

Monitoring & ReportingColiform (TCR)

Resolved
Jan 2019 – Feb 2019Monitoring/Reporting failure

Monitoring & ReportingTotal Trihalomethanes (TTHMs)

Resolved
Oct 2019 – Jan 2020Monitoring/Reporting failure

Monitoring & ReportingHaloacetic Acids (HAA5)

Resolved
Oct 2019 – Jan 2020Monitoring/Reporting failure

OtherNitrate

Resolved
Jul 2023 – Aug 2023Monitoring/Reporting failure

Monitoring & ReportingColiform (TCR)

Resolved
Jun 2024 – Jul 2024Monitoring/Reporting failure
PFAS MonitoringEPA UCMR 5

EPA UCMR 5 monitoring (2023–2025) returned 170 PFAS records for City of Tualatin. Detection is not a regulatory violation, but indicates PFAS compounds were measured during the unregulated contaminant monitoring cycle. Review the full records and compare detected levels against current EPA MCLs.

What should I do next?

PFAS monitoring records are on file for City of Tualatin. Review the detected compounds, compare them with current regulatory guidance, and check whether your home filter is certified for PFAS reduction.

City of Tualatin — Water Quality FAQs

Explore This Water System

Common Questions About This Water System

Public drinking water datasets may not include every recent test, private well result, household plumbing issue, or local advisory. Use this page as a starting point, not as a substitute for official guidance, your utility's Consumer Confidence Report, or professional testing.

Water Utility Report summarizes public records from official federal, state, utility, or testing datasets where available. For urgent health or compliance questions, contact your utility, local health department, or the EPA directly. How Water Utility Report uses public drinking water data

Related Pages

Data Sources & Provenance

All data on this page is sourced from official U.S. government or public datasets.

EPA ECHO — Water System & Compliance ReportPWSID OR4100906View source
EPA CCR — Consumer Confidence ReportsView source
Last updated: 2026-04-19
High Confidence
Annual refresh cycle

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At a Glance

PWSIDOR4100906
StateOregon
Risk Levelsafe
Population Served28,106
Open Health Violations0

Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.