Region
California
36
Sacramento Valley
4
San Bernardino County
4
Mojave River Watershed
3
Nevada
3
California, Northern
2
California, Southern
2
Santa Barbara
2
Yosemite National Park
2
Alpine County
1
Antelope Valley
1
Arizona
1
Bear Valley (San Bernardino County)
1
Carson River Valley
1
Central Valley (Valley)
1
Chino
1
Delta Region
1
Imperial County
1
Lassen County
1
Lee Valley
1
Mendocino County
1
Morongo Valley
1
Nevada County
1
Penitencia Creek Watershed
1
Riverside County
1
San Diego County
1
San Joaquin Valley
1
Santa Barbara County
1
Santa Clara Valley (Santa Clara County)
1
Uvas Creek
1
Washoe County
1
Yuma Region
1