💧 TapWaterData

Water Quality in ZIP Code 94102

Serving San Francisco, CA

Safe
All contaminants within safe levels
1
City
185+
Tested
0
Above Guidelines
1
Utility

Is Water Safe in ZIP Code 94102?

Water in ZIP code 94102 currently meets all EPA Maximum Contaminant Level Goals (MCLGs). All 185+ contaminants tested are within safe levels according to health-based guidelines.

This ZIP code is served by 1 water utility providing water to San Francisco. Water quality varies by utility and city. Click on the cities below to see detailed reports for your specific area.

Water Quality Report for ZIP 94102

All Contaminants Within Safe Levels

All 185+ tested contaminants are below EPA health-based guidelines (MCLGs).

Water Utilities Serving ZIP 94102

SFPUC CITY DISTRIBUTION DIVISION

People Served:

884,363

Contact:
650-652-3100

Water Source:

Surface water purchased

MCL Violations:

No violations

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Is Tap Water Safe in ZIP 94102? San Francisco Water Quality 2025 | Test Results & Contaminants | TapWaterData