Stockton water and sewer rates

Who supplies water to Stockton houses, what it costs, and how the sewer charge works.

City of Stockton Municipal Utilities Department

Monthly service charge by meter size ($39.33 for a 1-inch or smaller meter, effective July 1, 2025) plus $2.78 per unit for units 0-15 and $3.32 per unit for units 16 and over (single family); one unit is 748 gallons.

Use a monthPrice per unit (CCF, 748 gallons)
Fixed charge$39.33 a month
0 to 15 units$2.78
15 to more$3.32
Source
Our area watersheds and groundwater wells provide raw water supplies to the City.
Customers
The City of Stockton Municipal Utilities Department serves approximately 53,000 residential and commercial connections in north and south Stockton.

Sewer

Residential sewer is a flat monthly service charge, with an adjustment effective July 1, 2026.

Other charges on the utility bill

  • Stormwater (current rate per Equivalent Dwelling Unit; the City has proposed a higher rate): $2.10 a month

Pay or manage it

Sources

  1. COS_MUD_FY2025_26WaterRateNotice.pdf.pdf
  2. water_rates___fee_estimator.php
  3. water_quality.php
  4. COS_MUD_FY2026-27_%20WastewaterRateNotice.pdf
  5. stormwater_rates.php

Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.

Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.