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CLEARLAKE OAKS COUNTY WATER DISTRICT

Serving 1 city in CA

Monitor
1 MCL violation recorded
2K
People Served
1
City
1
Water Sources
1
MCL Violations

Official CLEARLAKE OAKS COUNTY WATER DISTRICT Resources

CLEARLAKE OAKS COUNTY WATER DISTRICT Service Area

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Service Area

This map shows the approximate service area for CLEARLAKE OAKS COUNTY WATER DISTRICT. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

CLEARLAKE OAKS COUNTY WATER DISTRICT Water Quality Grade

C
Fair

Some contaminants exceed health guidelines.

Quality Score70/100
1
Above Health Guidelines
1
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is CLEARLAKE OAKS COUNTY WATER DISTRICT Water Safe to Drink?

CLEARLAKE OAKS COUNTY WATER DISTRICT has reported 1 contaminant above EPA health-based guidelines (MCLGs) in at least one city served. The utility has 1 MCL violation on record. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 2,359 people across 1 city in CA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

Get your water independently tested in California β†’

CLEARLAKE OAKS COUNTY WATER DISTRICT Service Area

CLEARLAKE OAKS COUNTY WATER DISTRICT Contact & Information

Mailing Address

12952 East Highway 20 Clearlake Oak, CA 95423

B2B Contact Data

B2B Contact Data Available

Contacts for CLEARLAKE OAKS COUNTY WATER DISTRICT

Updated Jan 2026
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NameTitlePhoneEmail
Jβ–ˆβ–ˆβ–ˆβ–ˆ Sβ–ˆβ–ˆβ–ˆβ–ˆWater Treatment Supervisor(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆjβ–ˆβ–ˆβ–ˆβ–ˆ@cityβ–ˆβ–ˆβ–ˆβ–ˆ.gov
Mβ–ˆβ–ˆβ–ˆβ–ˆ Jβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆUtility Director(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆmβ–ˆβ–ˆβ–ˆβ–ˆ@waterβ–ˆβ–ˆβ–ˆβ–ˆ.org
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Water Sources & Treatment

Water Sources

Surface water

Treatment Methods

Not specified

EPA Violations

1 Maximum Contaminant Level Violation

This utility has recorded MCL violations, indicating contaminant levels exceeded federal legal limits. These violations are aggregated across all cities served.

Check individual city reports for specific violation details and current status.

Recommended Water Filters for CLEARLAKE OAKS COUNTY WATER DISTRICT

Based on water quality data from cities served by CLEARLAKE OAKS COUNTY WATER DISTRICT, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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