County Regions

Bay Area Region

ID	County Name	Type
1	Alameda	Coexistent
78	CCLD	Dedicated
7	Contra Costa	Coexistent
21	Marin	Coexistent
27	Monterey	Coexistent
28	Napa	Coexistent
35	San Benito	Dedicated
38	San Francisco	Coexistent
41	San Mateo	Coexistent
43	Santa Clara	Coexistent
44	Santa Cruz	Coexistent
48	Solano	Coexistent
49	Sonoma	Coexistent

Southern Region

ID	County Name	Type
13	Imperial	Dedicated
19	Los Angeles	Coexistent
30	Orange	Coexistent
33	Riverside	Coexistent
36	San Bernardino	Coexistent
37	San Diego	Coexistent
42	Santa Barbara	Coexistent
56	Ventura	Coexistent

Northern Region

ID	County Name	Type
4	Butte	Dedicated
6	Colusa	Dedicated
8	Del Norte	Dedicated
11	Glenn	Dedicated
12	Humboldt	Coexistent
71	Karuk	Tribe
17	Lake	Coexistent
18	Lassen	Dedicated
23	Mendocino	Coexistent
25	Modoc	Dedicated
32	Plumas	Dedicated
45	Shasta	Dedicated
47	Siskiyou	Dedicated
52	Tehama	Coexistent
53	Trinity	Dedicated
75	Yurok	Coexistent

Mountain Valley Region

ID	County Name	Type
2	Alpine	Dedicated
3	Amador	Dedicated
5	Calaveras	Coexistent
9	El Dorado	Coexistent
14	Inyo	Coexistent
26	Mono	Dedicated
29	Nevada	Coexistent
31	Placer	Coexistent
34	Sacramento	Coexistent
46	Sierra	Dedicated
51	Sutter	Dedicated
55	Tuolumne	Coexistent
57	Yolo	Dedicated
58	Yuba	Coexistent

Central Valley Region

ID	County Name	Type
10	Fresno	Coexistent
15	Kern	Coexistent
16	Kings	Coexistent
20	Madera	Coexistent
22	Mariposa	Dedicated
24	Merced	Coexistent
39	San Joaquin	Coexistent
40	San Luis Obispo	Coexistent
50	Stanislaus	Coexistent
54	Tulare	Dedicated