Rio VistaHome costs

Rio Vista water and sewer rates

At typical use (9 units, about 6,700 gallons a month), a Rio Vista house pays about $56 a month for water and about $154 for sewer: about $2,520 a year. Estimated from public rates, not anyone's actual bill.

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

City of Rio Vista

City of Rio Vista water rates effective July 1, 2026: a base rate ($47.91 for a 3/4-inch meter) plus $0.85 per consumer unit (748 gallons = 1 HCF)

Use a monthPrice per unit (CCF, 748 gallons)
Fixed charge$47.91 a month
0 to more$0.85
Source
The City of Rio Vista's water is supplied from six ground water wells.
Test results
Hardness measured 66.7 mg/L (2022 - 2024) and the lead 90th percentile was 1.0 ug/L (2022).

Sewer

City of Rio Vista rates effective July 1, 2026: $152.60 sewer for a residential account, plus a $1.20 municipal tax and $0.45 storm drain charge from the same rate table ($154.25 in all). The Trilogy, Liberty, Luminescence and Summit I & II subdivisions pay $109.87 sewer instead.

How Rio Vista compares with nearby cities

Water, a month

  1. Rio Vista$56
  2. Fairfield · 19 mi$60
  3. Antioch · 15 mi$72
  4. Suisun City · 17 mi$73
  5. Pittsburg · 15 mi$85
  6. Brentwood · 17 mi$85

Water only, at each city's typical use; sewer is left out because some cities bill it on the tax bill.

Sources

  1. Council-Presentation-WaterSewer_2025_04_01_FINAL.pdf

Checked October 29, 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.

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