The San Joaquin River Exchange Contractors Water Authority Exchange Contractors is  a joint powers authority formed in 1992 by its member agencies Central California Irrigation District, San Luis Canal Company, Firebaugh Canal Water District, and Columbia Canal Company.

It is responsible for administering water conservation plans, water transfer programs, and water resource planning, as well as advocating for dependable water supplies for its organizations and the roughly 240,000 acres of agricultural land they represent. This area spans the counties of Fresno, Madera, Merced, and Stanislaus, from the town of Patterson in the north to Mendota in the south.