Water Rates in San Francisco, CA
The San Francisco Public Utilities Commission serves San Francisco with a complex rate structure. Understanding your tiers and sewer multiplier is the first step to mitigating an unexpectedly high bill.
Effective Blended Rate
$27.14/kGal
Rate Structure
1 Tiers
flat volumetric Sewer
Volumetric Water Tiers
| Tier | Usage Range (kGal) | Rate / kGal |
|---|---|---|
| Flat Rate | First | $13.21 |
Sewer & Infrastructure Logic
San Francisco calculates sewer charges using the flat volumetric method.
Non-residential wastewater volumetric rate per CCF (SFPUC FY2025-26)
Sewer Rates
0 - null kGal$13.94/kGal
Monthly Base Fees (5/8" Meter)
Water Base$8.26
Sewer Base$15.89
Flat Rate Utility
San Francisco uses a flat rate structure. You are not penalized with higher rates for using more water, but conservation still lowers your bill directly!
Water Quality Alert
Live data from EPA ECHO Database