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Home/Utilities/California/ZONE 7 WATER AGENCY

ZONE 7 WATER AGENCY

Serving 8 cities in CA

No Violations
All contaminants within safe levels
0K
People Served
8
Cities
1
Water Sources
0
MCL Violations

Official ZONE 7 WATER AGENCY Resources

ZONE 7 WATER AGENCY Service Area

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Service Area

This map shows the approximate service area for ZONE 7 WATER AGENCY. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

ZONE 7 WATER AGENCY 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 ZONE 7 WATER AGENCY Water Safe to Drink?

ZONE 7 WATER AGENCY 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 40 people across 8 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†’

ZONE 7 WATER AGENCY Service Area

ZONE 7 WATER AGENCY Contact & Information

Emergency Line

925-454-5000

24/7 After-Hours

Mailing Address

100 NORTH CANYONS PKWY Livermore, CA 94551

B2B Contact Data

B2B Contact Data Available

Contacts for ZONE 7 WATER AGENCY

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

Not specified

ZONE 7 WATER AGENCY 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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