1910 - 1930

• Five irrigation districts – Alta, Modesto, Oakdale, South San Joaquin and Turlock –meet in Modesto to form the Irrigation Districts Association.
• Los Angeles Aqueduct completed
• Legal battle begins to allow irrigation districts to develop hydropower facilities
• IDA members rally behind federal legislation to construct Hoover Dam on the Colorado River
• Construction of the All-American Canal authorized
• IDA moves offices from Merced to San Francisco and hires Walter Wagner as permanent secretary
• IDA plays key role in constitutional amendment requiring the reasonable water use of water
• 1928-1934 drought begins