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WEST VALLEY WATER DISTRICT

Serving 5 cities in CA

No Violations
All contaminants within safe levels
97K
People Served
5
Cities
1
Water Sources
0
MCL Violations

Official WEST VALLEY WATER DISTRICT Resources

Emergency Contact

909-820-2546

Available 24/7 for emergencies

Visit Official Website

WEST VALLEY WATER DISTRICT Service Area

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Service Area

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

WEST VALLEY WATER DISTRICT Water Quality Grade

A
Excellent

Water meets all health guidelines with no violations.

Quality Score100/100
0
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 WEST VALLEY WATER DISTRICT Water Safe to Drink?

WEST VALLEY WATER DISTRICT water currently meets all EPA Maximum Contaminant Level Goals (MCLGs) across all cities served. Water quality testing shows all contaminants are within safe levels according to health-based guidelines.

This utility serves 96,738 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.

Get your water independently tested in California β†’

WEST VALLEY WATER DISTRICT Service Area

WEST VALLEY WATER DISTRICT Contact & Information

Emergency Line

909-820-2546

24/7 After-Hours

Mailing Address

855 W. BASE LINE RD P.O. BOX 920 Rialto, CA 92376

B2B Contact Data

B2B Contact Data Available

Contacts for WEST VALLEY 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

aerationbiological filtrationconventionaldisinfectionfiltrationionic exchange+1 more

Disinfectant Used

hypochlorite, uv light

WEST VALLEY WATER DISTRICT 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.

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