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RANCHO CALIFORNIA WATER DISTRICT

Serving 2 cities in CA

Action Needed
13 above health guidelines
144K
People Served
2
Cities
1
Water Sources
0
MCL Violations

Official RANCHO CALIFORNIA WATER DISTRICT Resources

RANCHO CALIFORNIA WATER DISTRICT Service Area

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Service Area

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

RANCHO CALIFORNIA WATER DISTRICT Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score0/100
13
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 RANCHO CALIFORNIA WATER DISTRICT Water Safe to Drink?

RANCHO CALIFORNIA WATER DISTRICT has reported 13 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 144,088 people across 2 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.

RANCHO CALIFORNIA WATER DISTRICT Service Area

RANCHO CALIFORNIA WATER DISTRICT Contact & Information

Emergency Line

951-296-6900

24/7 After-Hours

Mailing Address

42135 WINCHESTER ROAD Temecula, CA 92590

Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

conventionaldisinfectionpre-oxidation with chlorine

Disinfectant Used

chloramines, hypochlorite

RANCHO CALIFORNIA 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.

Recommended Water Filters for RANCHO CALIFORNIA WATER DISTRICT

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

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