PlainEnviro

MARK WEST MEADOWS MUTUAL WATER

PWSID: CA4900905 · Santa Rosa, CA · Serves 20 people

Health Violations

MARK WEST MEADOWS MUTUAL WATER has 1 health-based violation out of 1 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
20
Total Violations
1
Health Violations
1
Source Type
Groundwater

MARK WEST MEADOWS MUTUAL WATER (PWSID CA4900905) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 20 people in Santa Rosa, CA, and is subject to primacy enforcement by the California drinking-water program.

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

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)
CA4900905
System Type
CWS
Water Source
Groundwater
Location
Santa Rosa, CA
Population Served
20
Health Violations
Yes (1)

What contaminants are in this water system?

Contaminant Violations Health-Based
Gross Alpha 1 1

Violation History (1)

Contaminant Health Date
Gross Alpha Yes Oct 17, 2024

Frequently Asked Questions

Is MARK WEST MEADOWS MUTUAL WATER water safe to drink?
MARK WEST MEADOWS MUTUAL WATER has 1 health-based violation out of 1 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses groundwater water as its source.
How many people does MARK WEST MEADOWS MUTUAL WATER serve?
MARK WEST MEADOWS MUTUAL WATER serves 20 people in Santa Rosa, CA. It is classified as a CWS water system.
What violations does MARK WEST MEADOWS MUTUAL WATER have?
MARK WEST MEADOWS MUTUAL WATER has 1 total violation on record spanning 2024–2024. 1 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in MARK WEST MEADOWS MUTUAL WATER water?
Violations have been recorded for 1 contaminant. The most frequent: Gross Alpha.

Nearby Water Systems

SANTA ROSA, CITY OF
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ROHNERT PARK, CITY OF
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WINDSOR, TOWN OF
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SONOMA, CITY OF
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SONOMA STATE UNIVERSITY
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CLOVERDALE, CITY OF
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SEBASTOPOL, CITY OF
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COTATI, CITY OF
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SWEETWATER SPRINGS CWD - GUERNEVILLE
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CALISTOGA, CITY OF
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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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