Services
Colusa County Water District provides surface water deliveries to 41,788 acres of irrigable lands. Below are the water prices set for the 2026 water year as a PDF. Below that includes more infomration about the water prices.
CCWDRates_2026.pdfIt is necessary to state that the District’s water charges are subject to revision in response to changes in the available 2026 water supply, the USBR’s rate and fees calculations, fee determination policies and the Tehama-Colusa Canal Authority (TCCA) Conveyance charge.
Assessment fee: $ 26.25 / Acre*
(Contract Conversion 9(e) CVP Construction costs plus
District 9(d) loan debt on pipelines)
Assessment Fee
The Contract Conversion Assessment replaced the District's 90 Assessment in 2020 after the District aquired a loan under the WIIN Act Legislation to pay off the Bureau of Reclamation Construction component of the Central Valley Project.
- The Contract Conversion Assessment fee is billed in November, with the first installment (one-half) due by January 15th and the remaining balance due by May 1st.
Base Rate (District O&M) or Service Charge: $ 25.75 / Acre*
Base Rate
The District Base Rate covers the District's annual operation and maintenance (O&M) expenses. It is billed in late February or early March when the annual water allocation is announced.
- One-half is due by April 15th , one-quarter is due by July 15, and the remaining balance is due by October 15th.
Water Rates:
Ag M&I
3F Water per/AF $ 57.45/af $71.05/af
(Excess river flows-water delivered prior to May)
Ag M&I
District Allocation** per/AF: $ 72.85/af $92.15/af
Water Rates
The District water rate includes the Bureau of Reclamation's annual water rate along with the Tehama-Colusa Canal Conveyance fee. Water Order forms are mailed with the Base Rate billing in February or March. At a 100% allocation, each District acre is entitled to receive 1.7 acre-feet of water per acre (1.7 AF/ac).
As a water service contractor, the District is subject to reductions in allocations which can affect allocation to land.
(ie. 40% allocation = 0.68 AF/ac
0% allocation = 0 AF/ac)
During years with reduced allocations, the District works with neighboring districts to purchase transfer water, to help meet the water needs of its landowners.