Skip to main content
💧 TapWaterData

Water Quality in ZIP Code 94102

Serving San Francisco, CA

Monitor
2 above health guidelines
1
City
524+
Tested
2
Above Guidelines
5
Utilities

Is Water Safe in ZIP Code 94102?

Water in ZIP code 94102 has 2 contaminants above EPA health-based guidelines (MCLGs) in at least one of the 1 city served. We recommend reviewing detailed city reports below and considering a certified water filter for additional protection.

This ZIP code is served by 5 water utilities 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

2 contaminants above EPA health guidelines

These levels represent the worst case across all cities in this ZIP code. Check individual city reports for specific details.

Bromoform

Found in San Francisco

6 PPB
Guideline: 0 PPB
Bromodichloromethane

Found in San Francisco

5.96 PPB
Guideline: 0 PPB

Water Utilities Serving ZIP 94102

PRESIDIO OF SAN FRANCISCO

People Served:

3,500

Contact:
415-561-4134

Water Source:

Surface water

Contaminants Tested:

13

SFPUC CITY DISTRIBUTION DIVISION

People Served:

884,363

Contact:
650-652-3100

Water Source:

Surface water purchased

Contaminants Tested:

185

TREASURE ISLAND

People Served:

3,790

Contact:
650-652-3100

Water Source:

Surface water purchased

Contaminants Tested:

16

SAN FRANCISCO REGIONAL WATER SYSTEM

People Served:

600

Contact:
650-652-3100

Water Source:

Surface water

Contaminants Tested:

188

HHW&P MOCCASIN COMPOUND-SFPUC

People Served:

217

Contact:
650-652-3100

Water Source:

Surface water purchased

Contaminants Tested:

122

Best Water Filters for ZIP 94102

Based on the contaminants found in your area, we recommend NSF-certified water filters that can remove the specific 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.