OR4100789
OR
1 open health violation(s)

City of Sandy

Surface water · Local · 39250 PIONEER BLVD, AJ THORNE

Overall Risk Level

Low Concern

No Concern
Low
Moderate
High
Critical

Minor detections below regulatory limits. Routine monitoring adequate.

Why low?

This utility has 1 open health-based violation recorded by the EPA. These are cases where a contaminant exceeded the EPA's legal limit and has not yet been formally resolved in the federal database. Contact the utility directly or review their latest Consumer Confidence Report for current status.

Utility Overview

Population Served

12,991

Source Type

Surface water

Ownership

Local

PWSID

OR4100789

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

Showing 25 of 54 — view all on EPA ECHO ↗

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.

Treatment Technique

Open
Dec 2017Health-basedCode 0800

Treatment Technique

Resolved
Aug 2016 – Nov 2016Health-basedCode 0200

Treatment Technique

Resolved
Aug 2016 – Nov 2016Health-basedCode 0200

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Jan 2018 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Oct 2017 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Jul 2017 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Apr 2017 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Apr 2017 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Jan 2017 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Oct 2016 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Jan 2016 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Oct 2015 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Oct 2015 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Jul 2015 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Jul 2015 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Apr 2015 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Jan 2015 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Jan 2015 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Oct 2014 – Jul 2018Health-based

MCL Violation — Total Trihalomethanes (TTHMs)

Resolved
Oct 2014 – Jul 2018Health-based

Treatment Technique

Resolved
Oct 2018 – Jan 2019Health-basedCode 0200

Treatment Technique

Resolved
Oct 2022 – Dec 2022Health-basedCode 0200

Monitoring & Reporting — Coliform (TCR)

Open
Apr 2016Monitoring/Reporting failure

Other — Nitrate

Resolved
Oct 2004 – Nov 2004Monitoring/Reporting failure

Monitoring & Reporting — Lead

Resolved
Jan 1999 – Jan 2005Monitoring/Reporting failure

Filtration Recommendations

Based on contaminants found in health-based violations, these treatment methods are most relevant for residents.

Reverse Osmosis

Reverse osmosis (RO) is the most comprehensive point-of-use water treatment technology available for residential use.

PFAS / PFOA / PFOSLeadArsenic

Activated Carbon

Activated carbon is the most widely used residential water treatment technology.

Chlorine and chloramineTaste and odor compoundsDisinfection byproducts

Related Pages

Oregon State Overview

All utilities in OR

Disinfection Byproducts (DBPs)

Found in violation history

Data Sources & Provenance

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

EPA ECHO — Water System & Compliance Report— PWSID OR4100789View source
EPA CCR — Consumer Confidence ReportsView source
Last updated: 2026-04-19
High Confidence
Annual refresh cycle

At a Glance

PWSIDOR4100789
StateOregon
Risk Levellow
Population Served12,991
Open Health Violations1

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

Data Sources

EPA ECHO Facility Report EPA CCR Search