Modesto water and sewer rates
Who supplies water to Modesto houses, what it costs, and how the sewer charge works.
City of Modesto
Metered rates from October 1, 2026 (city rate schedule): $30.16 a month for a 5/8 through 3/4 inch meter plus $2.40 per hundred cubic feet (CCF), non-drought rate.
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $30.16 a month |
| 0 to more | $2.40 |
- Source
- In 2025, approximately 40% of the water supplied was from groundwater wells and 60% was from surface water.
- Hardness
- The 2025 report lists hardness (as CaCO3) at an average of 199 ppm, range 33-388.
- Lead
- Lead 90th percentile was ND in 2024 sampling of 52 samples (action level 15 ppb).
- PFAS
- PFOA averaged 0.96 ppt (range 0-7.6) and PFOS averaged 1.76 ppt (range 0-22) in 2025 (UCMR5/notification-level monitoring).
Sewer
Effective July 1, 2026: $43.97 a month per single-family dwelling plus a $5.60 monthly account charge.
Other charges on the utility bill
- Storm drain, single-family (lot 3,501 through 7,000 sq ft): $3.23 a month
Sources
- www.modestogov.com Sewer-Rates
- www.modestogov.com Metered-Water-Rates
- www.modestogov.com Storm-Drain-Rates
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.