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. 

It 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.