PlainEnviro

WILLOW CREEK C.S.D.

PWSID: CA1210015 · Willow Creek, CA · Serves 1,298 people

Health Violations

WILLOW CREEK C.S.D. has 5 health-based violations out of 5 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
1,298
Total Violations
5
Health Violations
5
Source Type
Surface Water

WILLOW CREEK C.S.D. (PWSID CA1210015) 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 1,298 people in Willow Creek, CA, and is subject to primacy enforcement by the California drinking-water program.

The system's federal compliance record contains 5 total violations, with 5 classified as health-based (MCL exceedances or treatment-technique failures). 3 distinct contaminants have been cited, including E. coli, Arsenic, Gross Alpha. Recorded violations span 1993–2024.

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 California state drinking-water program's public portal.

System Details

EPA ID (PWSID)
CA1210015
System Type
CWS
Water Source
Surface Water
Location
Willow Creek, CA
Population Served
1,298
Health Violations
Yes (5)

What contaminants are in this water system?

Contaminant Violations Health-Based
E. coli 2 2
Arsenic 2 2
Gross Alpha 1 1

Violation History (5)

Contaminant Health Date
Gross Alpha Yes Oct 17, 2024
E. coli Yes Jun 18, 2019
E. coli Yes Jun 18, 2019
Arsenic Yes Jun 1, 1993
Arsenic Yes Jun 1, 1993

Frequently Asked Questions

Is WILLOW CREEK C.S.D. water safe to drink?
WILLOW CREEK C.S.D. has 5 health-based violations out of 5 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 WILLOW CREEK C.S.D. serve?
WILLOW CREEK C.S.D. serves 1,298 people in Willow Creek, CA. It is classified as a CWS water system.
What violations does WILLOW CREEK C.S.D. have?
WILLOW CREEK C.S.D. has 5 total violations on record spanning 1993–2024. 5 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in WILLOW CREEK C.S.D. water?
Violations have been recorded for 3 contaminants. The most frequent: E. coli, Arsenic, Gross Alpha.

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Explore More

California 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.

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