IRWM Regions
Region
2 - Antelope Valley
3 - Anza Borrego Desert
5 - Coachella Valley
6 - Consumes, American, Bear, Yuba (CABY)
47 - East Stanislaus
48 - Fremont Basin
10 - Greater Los Angeles County
12 - Imperial
13 - Inyo-Mono
14 - Kaweah River Basin
15 - Kern County
38 - Kings Basin Water Authority
49 - Lahontan Basin
16 - Madera
17 - Merced
18 - Mojave
19 - Mokelumne/Amador/Calaveras (MAC)
20 - Monterey Peninsula, Carmel Bay, So. Monterey
21 - North Coast
24 - Poso Creek
26 - San Diego
50 - San Gorgonio
28 - San Luis Obispo
29 - Santa Ana Watershed Project Authority
30 - Santa Barbara County
31 - Santa Cruz County
32 - South Orange County Watershed Management Area
33 - Southern Sierra
34 - Tahoe-Sierra
35 - Tule
26 - Tuolumne-Stanislaus
37 - Upper Feather River Watershed
39 - Upper Pit River Watershed
43 - Watersheds Coalition of Ventura County
44 - Westside-San Joaquin
45 - Westside (Yolo, Solano, Napa, Lake, Colusa)
46 - Yuba County

