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Home/Utilities/California/LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER

LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER

Serving 5 cities in CA

Monitor
3 above health guidelines
204K
People Served
5
Cities
1
Water Sources
0
MCL Violations

Official LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER Resources

LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER Service Area

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Service Area

This map shows the approximate service area for LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER Water Quality Grade

C
Fair

Some contaminants exceed health guidelines.

Quality Score70/100
3
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 LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER Water Safe to Drink?

LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER has reported 3 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 203,686 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.

LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER Service Area

LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER Contact & Information

Emergency Line

626) 570-5151

24/7 After-Hours

Mailing Address

900 S. FREMONT AVE. Alhambra, CA 91803

Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

aerationdisinfection

Disinfectant Used

chlorine

LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER 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 LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER

Based on water quality data from cities served by LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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