California Water Library
The North Lahontan region is located in the northeastern part of the state, encompassing part of the western Great Basin and the eastern slopes of the Cascade Range and the Sierra Nevada. It includes arid high deserts as well as the California portion of the Lake Tahoe Basin. The region covers 6,122 square miles and accounts for 4% of California’s total land area, but is sparsely populated, being home to only 0.3% of the state’s population.
State of California | January 1st, 1925
California Department of Water Resources (DWR) | May 25th, 1965
California Department of Water Resources (DWR) | November 15th, 1974
California Department of Water Resources (DWR) | July 31st, 1967
California Department of Water Resources (DWR) | June 28th, 1968
California Department of Water Resources (DWR) | January 1st, 1962
California Department of Water Resources (DWR) | January 1st, 1931
California State Water Resources Control Board (SWRCB) | June 30th, 1955
Click here for Volume 2
California Department of Water Resources (DWR) | June 30th, 1955
Click here for Volume 1
State of California | June 2nd, 1930