The Imperial Irrigation District (IID) diverts and delivers approximately 3.1 million acre-feet (MAF) of Colorado River water to nine cities and nearly 500,000 acres of agricultural land in Imperial Valley. As part of its operating system, the district maintains an extensive gravity flow drainage system and maintains 10 fully operational reservoirs.         

Total Customers
Farm Accounts - 6,205           
Owner-operated - 2,397               
Tenant-Operated - 3,808 

Water Rate - $17/AF* 

Gross Acreage - 1,061,637 acres 

Irrigated Area - 433,321 acres 

Average Agricultural Use Per Year - 5.6 AF/acre      

Water Delivered Through the All-American Canal - 2.7 MAF**/yr  

Miles of Canals - 1,668 

Miles of Drains - 1,406  

Acre-Foot
An acre-foot covers one acre of land, one foot deep.

An acre-foot supplies a family of five for one year. 

*acre-foot 

**million acre-feet