Vacaville water and sewer rates

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

City of Vacaville

City of Vacaville water rates under Resolution No. 2025-070, for the fiscal year ending June 30, 2027: a bi-monthly fixed charge of $62.00 for a 5/8-inch meter plus $2.51 per 100 cubic feet for all water used, billed every two months together with sewer

Use a month	Price per unit (CCF, 748 gallons)
Fixed charge	$31.00 a month
0 to more	$2.51

Source: In 2024, Lake Berryessa water carried by the Putah South Canal supplied 58% of Vacaville's water, Sacramento Delta water from the North Bay Aqueduct 9%, and deep groundwater wells the other 33%.
Hardness: Hardness averaged 177 ppm in groundwater (2023, range 76 to 300). Treated surface water averaged 176 ppm from the North Bay Regional plant and 163 ppm from the Vacaville plant (2024).
Chromium-6: The 2024 report says hexavalent chromium was detected above the state limit of 10 ppb adopted in April 2024, and that a system of Vacaville's size is not considered in violation until October 1, 2026.
Lead: In 59 lead samples (2023), the 90th percentile lead level was below 0.005 ppb.

Sewer

City of Vacaville single-family sewer for the fiscal year ending June 30, 2027: a bi-monthly fixed charge of $106.04 plus $2.27 per 100 cubic feet. The variable charge is based on your winter water use (your base period), recalculated each summer.

Other charges on the utility bill

Community Streets and Facilities Tax (Measure I excise tax): $4.83 a month

Ways to pay less

PG&E CARE households: discount on City water service charges. Customers on a fixed or lower income who meet income requirements and are enrolled in PG&E's CARE program may qualify for a discount on their water service charges. The program is suspended if its funding runs out before June 30. How: Bring the Low Income Discount Application and a current PG&E statement showing the CARE discount to the Finance Department, 650 Merchant Street. Questions: (707) 449-5128.
Had a leak? Ask for a water bill adjustment. If a customer had a leak on their property and it has been fixed, City staff will review a Water Loss Adjustment Request Form and consider adjusting the bill for the excess water used. How: Once the leak is fixed, submit the Water Loss Adjustment Request Form. To request an inspection, call Utility Billing Customer Service at (707) 449-5128.
Lawn replacement rebate: up to $1.50 a square foot. Vacaville residents can get a water efficient landscape rebate of up to $1.50 per square foot through the Solano County Water Agency; rebates of up to $100 for a high efficiency clothes washer and up to $300, $700 or $1,000 for a smart irrigation controller (depending on the number of stations) are also offered. No retroactive rebates. How: See the Solano County Water Agency for how to qualify; rebates are not paid retroactively.

Sources

Checked October 21, 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.