Cal. Water Code § 1815
(b)
(1) Before using a water conveyance facility that has unused capacity to transfer water from a groundwater basin underlying desert lands, a transferor of water shall submit an application to the State Lands Commission for review of the proposed transfer. The application shall include, at a minimum, both of the following:
(2)
(e) For purposes of this section, “desert lands” means the portion of California located within the following area:
Beginning at Interstate 15 and the intersection of the range line between Ranges 5 and 6 East, Township 11 North, San Bernardino Baseline and Meridian, southerly along those range lines to the intersection with Interstate 40 in Township 8 North, San Bernardino Baseline and Meridian;
Thence easterly along Interstate 40 to the intersection of Interstate 40 and the range lines between Ranges 12 and 13 East, Township 7 North, San Bernardino Baseline and Meridian;
Thence southerly along the range lines between Ranges 12 and 13 East to the intersection with State Highway Route 62 in Township 1 South, San Bernardino Baseline and Meridian;
Thence easterly along State Highway Route 62 to the intersection with United States Highway 95;
Thence northerly along United States Highway 95 to the California-Nevada boundary;
Thence northerly along the California-Nevada boundary to Interstate 15;
Thence westerly along Interstate 15 to the point of beginning.