California Water Library
The South Lahontan region spans 17 million acres of land in central to southeastern California, encompassing numerous mountain ranges such as the Sierra Nevada, the Techachapi Mountains, the San Gabriel Mountains, and the San Bernardino Mountains; the region also hosts Mt. Whitney, the highest point in the contiguous US at 14,495 feet above sea level, as well as Death Valley, the lowest point at 282 feet below sea level.
California Department of Water Resources (DWR) | July 1st, 1946
California Department of Water Resources (DWR) | July 15th, 1964
California Department of Water Resources (DWR) | August 15th, 1967
California Department of Water Resources (DWR) | June 15th, 1968
California Department of Water Resources (DWR) | August 15th, 1969
California Department of Water Resources (DWR) | June 15th, 1970
California Department of Water Resources (DWR) | August 15th, 1971
California Department of Water Resources (DWR) | September 15th, 1972
California Department of Water Resources (DWR) | November 15th, 1973