In 1884, the Zanja Madre system tapped the Los Angeles River to irrigate much of the Pueblo.
With the opening of the Los Angeles Aqueduct in 1913, the city was connected to the Owens Valley by the 228 mile Aqueduct.
Metropolitan Water District completed the Colorado River Aqueduct in 1939, expanding Southern California aqueductshed all the way to southern Wyoming and the Continental Divide.
Mono Basin was connected via the Mono Tunnel completed in 1941.
Connection to the California Aqueduct and the completion of the ‘2nd Barrel’ of the Los Angeles Aqueduct occurred in the early 1970s.