PlainEnviro

ROCK CREEK WATER DISTRICT

PWSID: OR4100337 · Grand Ronde, OR · Serves 300 people

Health Violations

ROCK CREEK WATER DISTRICT has 3 health-based violations out of 3 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
300
Total Violations
3
Health Violations
3
Source Type
Surface Water

ROCK CREEK WATER DISTRICT (PWSID OR4100337) 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 300 people in Grand Ronde, OR, and is subject to primacy enforcement by the Oregon drinking-water program.

The system's federal compliance record contains 3 total violations, with 3 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Arsenic. Recorded violations span 2024–2025.

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)
OR4100337
System Type
CWS
Water Source
Surface Water
Location
Grand Ronde, OR
Population Served
300
Health Violations
Yes (3)

What contaminants are in this water system?

Contaminant Violations Health-Based
Arsenic 3 3

Violation History (3)

Contaminant Health Date
Arsenic Yes Jan 1, 2025
Arsenic Yes Dec 1, 2024
Arsenic Yes Dec 1, 2024

Frequently Asked Questions

Is ROCK CREEK WATER DISTRICT water safe to drink?
ROCK CREEK WATER DISTRICT has 3 health-based violations out of 3 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 ROCK CREEK WATER DISTRICT serve?
ROCK CREEK WATER DISTRICT serves 300 people in Grand Ronde, OR. It is classified as a CWS water system.
What violations does ROCK CREEK WATER DISTRICT have?
ROCK CREEK WATER DISTRICT has 3 total violations on record spanning 2024–2025. 3 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in ROCK CREEK WATER DISTRICT water?
Violations have been recorded for 1 contaminant. The most frequent: Arsenic.

Nearby Water Systems

MCMINNVILLE WATER & LIGHT
Mcminnville · 34,515 served
Clean
NEWBERG, CITY OF
Newberg · 25,138 served
Clean
SHERIDAN, CITY OF
Sheridan · 6,494 served
Clean
LAFAYETTE, CITY OF
Lafayette · 4,423 served
9 viol.
DUNDEE, CITY OF
Dundee · 2,960 served
2 viol.
PERRYDALE DOMESTIC WTR ASSN
Amity · 2,655 served
Clean
DAYTON, CITY OF
Dayton · 2,535 served
1 viol.
GRAND RONDE COMMUNITY WTR ASSN
Grand Ronde · 2,500 served
1 viol.
CARLTON, CITY OF
Carlton · 2,270 served
4 viol.
WILLAMINA, CITY OF
Willamina · 2,239 served
Clean
AMITY, CITY OF
Amity · 1,810 served
Clean
YAMHILL, CITY OF
Yamhill · 1,130 served
Clean

Explore More

Oregon Water Systems → All States → Contaminants →

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.

Related

Browse all → | Rankings →