Skip to main content
💧 TapWaterData
Home/Utilities/California/CWSC LOS ALTOS SUBURBAN

CWSC LOS ALTOS SUBURBAN

Serving 6 cities in CA

Action Needed
16 above health guidelines
70K
People Served
6
Cities
1
Water Sources
0
MCL Violations

Official CWSC LOS ALTOS SUBURBAN Resources

CWSC LOS ALTOS SUBURBAN Service Area

Loading map...

Service Area

This map shows the approximate service area for CWSC LOS ALTOS SUBURBAN. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

CWSC LOS ALTOS SUBURBAN Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score0/100
16
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 CWSC LOS ALTOS SUBURBAN Water Safe to Drink?

CWSC LOS ALTOS SUBURBAN has reported 16 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 70,175 people across 6 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.

CWSC LOS ALTOS SUBURBAN Service Area

CWSC LOS ALTOS SUBURBAN Contact & Information

Mailing Address

1720 NORTH FIRST STREET San Jose, CA 95112

Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

disinfectionno treatment

Disinfectant Used

chloramines

CWSC LOS ALTOS SUBURBAN 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 CWSC LOS ALTOS SUBURBAN

Based on water quality data from cities served by CWSC LOS ALTOS SUBURBAN, we recommend NSF-certified filters that can remove contaminants above health guidelines.

Stay Informed About Your Water Quality

Get EPA reports, filter recommendations, and safety alerts for your area.

Join 10,000+ people protecting their families. Unsubscribe anytime.