ABOUT ANDERSON-COTTONWOOD IRRIGATION DISTRICT Anderson-Cottonwood Irrigation District in Anderson, California, holds senior pre-1914 appropriative water rights on the Sacramento River and is a Sacramento River Settlement Contractor. ACID’s 32,000-acre service area begins just south of Redding and straddles Shasta and Tehama counties, on either side of the Sacramento River. The area is distinguished by its small-town rural charm, 300 days a year of sunshine, and vast outdoor recreational oppor...