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CITY OF HAYWARD

Serving 5 cities in CA

Monitor
1 above health guidelines
159K
People Served
5
Cities
1
Water Sources
0
MCL Violations

Official CITY OF HAYWARD Resources

CITY OF HAYWARD Service Area

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Service Area

This map shows the approximate service area for CITY OF HAYWARD. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

CITY OF HAYWARD Water Quality Grade

A
Excellent

Water meets all health guidelines with no violations.

Quality Score90/100
1
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 CITY OF HAYWARD Water Safe to Drink?

CITY OF HAYWARD has reported 1 contaminant 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 159,293 people across 5 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.

CITY OF HAYWARD Service Area

CITY OF HAYWARD Contact & Information

Emergency Line

1-800-309-2131

24/7 After-Hours

Mailing Address

777 B ST Hayward, CA 94541

Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

Not specified

Disinfectant Used

chloramines, hypochlorite, uv light

CITY OF HAYWARD 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 CITY OF HAYWARD

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

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