PlainEnviro

CITY OF RAINIER

PWSID: OR4100689 · Rainier, OR · Serves 1,932 people

Health Violations

CITY OF RAINIER has 4 health-based violations out of 4 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
1,932
Total Violations
4
Health Violations
4
Source Type
Surface Water

CITY OF RAINIER (PWSID OR4100689) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 1,932 people in Rainier, OR, and is subject to primacy enforcement by the Oregon drinking-water program.

The system's federal compliance record contains 4 total violations, with 4 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Arsenic, Chloroform. Recorded violations span 2022–2024.

A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Oregon state drinking-water program's public portal.

System Details

EPA ID (PWSID)
OR4100689
System Type
CWS
Water Source
Surface Water
Location
Rainier, OR
Population Served
1,932
Health Violations
Yes (4)

What contaminants are in this water system?

Contaminant Violations Health-Based
Arsenic 2 2
Chloroform 2 2

Violation History (4)

Contaminant Health Date
Arsenic Yes Aug 1, 2024
Arsenic Yes Aug 1, 2024
Chloroform Yes Apr 1, 2022
Chloroform Yes Apr 1, 2022

Frequently Asked Questions

Is CITY OF RAINIER water safe to drink?
CITY OF RAINIER has 4 health-based violations out of 4 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses surface water water as its source.
How many people does CITY OF RAINIER serve?
CITY OF RAINIER serves 1,932 people in Rainier, OR. It is classified as a CWS water system.
What violations does CITY OF RAINIER have?
CITY OF RAINIER has 4 total violations on record spanning 2022–2024. 4 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in CITY OF RAINIER water?
Violations have been recorded for 2 contaminants. The most frequent: Arsenic, Chloroform.

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Explore More

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About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

Read our methodology - how this data is sourced, computed, and verified.

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