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EAST BAY MUD

Serving 47 cities in CA

Action Needed
9 above health guidelines
1430K
People Served
47
Cities
1
Water Sources
0
MCL Violations

Official EAST BAY MUD Resources

EAST BAY MUD Service Area

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Service Area

This map shows the approximate service area for EAST BAY MUD. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

EAST BAY MUD Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score10/100
9
Above Health Guidelines
0
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 EAST BAY MUD Water Safe to Drink?

EAST BAY MUD has reported 9 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 1,430,200 people across 47 cities 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.

EAST BAY MUD Service Area

Acalanes Ridge, CA

147+ contaminants tested
9 above guidelines
Monitor

Alameda, CA

147+ contaminants tested
9 above guidelines
Monitor

Alamo, CA

147+ contaminants tested
9 above guidelines
Monitor

Albany, CA

147+ contaminants tested
9 above guidelines
Monitor

Ashland, CA

147+ contaminants tested
9 above guidelines
Monitor

Bayview, CA

147+ contaminants tested
9 above guidelines
Monitor

Berkeley, CA

147+ contaminants tested
9 above guidelines
Monitor

Blackhawk, CA

147+ contaminants tested
9 above guidelines
Monitor

Camino Tassajara, CA

147+ contaminants tested
9 above guidelines
Monitor

Castle Hill, CA

147+ contaminants tested
9 above guidelines
Monitor

Castro Valley, CA

147+ contaminants tested
9 above guidelines
Monitor

Cherryland, CA

147+ contaminants tested
9 above guidelines
Monitor

Contra Costa Centre, CA

147+ contaminants tested
9 above guidelines
Monitor

Crockett, CA

147+ contaminants tested
9 above guidelines
Monitor

Danville, CA

147+ contaminants tested
9 above guidelines
Monitor

Diablo, CA

147+ contaminants tested
9 above guidelines
Monitor

East Richmond Heights, CA

147+ contaminants tested
9 above guidelines
Monitor

El Cerrito, CA

147+ contaminants tested
9 above guidelines
Monitor

El Sobrante, CA

147+ contaminants tested
9 above guidelines
Monitor

Emeryville, CA

147+ contaminants tested
9 above guidelines
Monitor

Fairview, CA

147+ contaminants tested
9 above guidelines
Monitor

Hayward, CA

147+ contaminants tested
9 above guidelines
Monitor

Hercules, CA

147+ contaminants tested
9 above guidelines
Monitor

Kensington, CA

147+ contaminants tested
9 above guidelines
Monitor

Lafayette, CA

147+ contaminants tested
9 above guidelines
Monitor

Montalvin Manor, CA

147+ contaminants tested
9 above guidelines
Monitor

Moraga, CA

147+ contaminants tested
9 above guidelines
Monitor

Norris Canyon, CA

147+ contaminants tested
9 above guidelines
Monitor

North Richmond, CA

147+ contaminants tested
9 above guidelines
Monitor

Oakland, CA

147+ contaminants tested
9 above guidelines
Monitor

Orinda, CA

147+ contaminants tested
9 above guidelines
Monitor

Piedmont, CA

147+ contaminants tested
9 above guidelines
Monitor

Pinole, CA

147+ contaminants tested
9 above guidelines
Monitor

Pleasant Hill, CA

147+ contaminants tested
9 above guidelines
Monitor

Reliez Valley, CA

147+ contaminants tested
9 above guidelines
Monitor

Richmond, CA

147+ contaminants tested
9 above guidelines
Monitor

Rodeo, CA

147+ contaminants tested
9 above guidelines
Monitor

Rollingwood, CA

147+ contaminants tested
9 above guidelines
Monitor

San Leandro, CA

147+ contaminants tested
9 above guidelines
Monitor

San Lorenzo, CA

147+ contaminants tested
9 above guidelines
Monitor

San Miguel, CA

147+ contaminants tested
9 above guidelines
Monitor

San Pablo, CA

147+ contaminants tested
9 above guidelines
Monitor

San Ramon, CA

147+ contaminants tested
9 above guidelines
Monitor

Saranap, CA

147+ contaminants tested
9 above guidelines
Monitor

Shell Ridge, CA

147+ contaminants tested
9 above guidelines
Monitor

Tara Hills, CA

147+ contaminants tested
9 above guidelines
Monitor

Walnut Creek, CA

147+ contaminants tested
9 above guidelines
Monitor

EAST BAY MUD Contact & Information

Water Sources & Treatment

Water Sources

Surface water

Treatment Methods

biological filtrationconventionalfiltrationpre-oxidation with chlorine

Disinfectant Used

chloramines, hypochlorite, ozone

EAST BAY MUD Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for EAST BAY MUD

Based on water quality data from cities served by EAST BAY MUD, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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