Integrated Regional Water Management Funding Areas | IRWM Regions | California Tribal Lands
Smith River Rancheria
Elk Valley Rancheria Karuk Tribe
Resighini Rancheria Karuk Tribe
Yurok Tribe Fort Bidwell Quartz Valley Indian Community Indian Community Legend Karuk Tribe Big Lagoon Rancheria Ruffys Rancheria Pit River Tribe Cher-Ae Heights Proposition 1 Funding Areas Indian Community of the Trinidad Rancheria Blue Lake Rancheria Hoopa Valley Tribe Alturas Indian 39 Rancheria Cedarville Select Water Bodies (including lakes > 10 sq. mi.) 40 Rancheria Wiyot Tribe Eureka
Bear River Band of the Rohnerville Rancheria Pit River Tribe Pit River Tribe North Coast Tribal Lands Redding Pit River Tribe Tribal Reservation Boundaries [1] 21 Redding Rancheria 49 (124 records total - labeled) Susanville Indian Rancheria Round Valley Indian Tribes Sacramento River Tribal Trust Land Boundaries (tracts) [1] 22 Greenville Rancheria (5,305 records total - not labeled) Cahto Tribe of the Laytonville Rancheria Taylorsville Rancheria Paskenta Band of Nomlaki Indians Historic location of Indian land once held in Sherwood Valley Grindstone Indian Chico Rancheria Rancheria of Pomo Indians Potter 37 Valley Rancheria of Trust for a Terminated Tribe and/or the location Tribe Wintun-Wailaki Indians Mechoopda Tribe of Maidu Indians Redwood Valley Band of Pomo Indian Potter Valley Berry Creek Rancheria of Maidu Indians of a landless federally recognized Tribe. [2] Coyote Valley Band of Pomo Indians Strawberry Valley Rancheria Habematolel Cachil DeHe Band of Pinoleville Pomo Nation Pomo of Wintun Indians of the Colusa Mooretown Rancheria (22 records total - labeled) Guidiville Rancheria Upper Lake Indian Community of Maidu Indians Scotts Valley Band of Pomo Indians Robinson Rancheria Band of Pomo Indians 6 Manchester Band of Pomo Indians Hopland Band of Cache Creek Rancheria Tribal Land Notes: Pomo Indians Elem Indian Colony of Pomo Indians Nevada City Rancheria of the Sulphur Bank Rancheria 46 Big Valley Band of Pomo Indians Boundaries shown are approximate and have been Lower Lake Rancheria Cortina Indian Rancheria Enterprise Rancheria of Maidu Indians Cloverdale Rancheria of Pomo Indians Dry Creek of Wintun Indians scaled up to improve visualization at current map scale. Rancheria Band Colfax Rancheria of Pomo Indians 34 Kashia Band of Pomo Indians Yocha Dehe United Auburn of the Stewarts Point Rancheria Wintun Nation Indian Community of 1 - Source: U.S Bureau of Indian Affairs (Feb. 2018) Lytton - old part the Auburn Rancheria 2 - Source: DWR acquired legacy data (author unknown). Alexander Valley Middletown Rancheria Mountain of Pomo Indians Mark-West Rancheria Counties Graton Rancheria 1 Washoe Tribe of Nevada & California 45 Shingle Springs Band of Miwok Indians Federated Indians of Graton Rancheria Jackson Rancheria Wilton Rancheria Wilton Rancheria of Me-Wuk Indians Ione Reservation 19 Buena Vista Rancheria Lytton Rancheria Buena Vista Rancheria of Me-Wuk Indians California Valley 7 8 Miwok Tribe Bridgeport Indian Colony San Francisco 27 Tuolumne Band of Me-Wuk Indians 36
Chicken Ranch Rancheria of San Francisco Me-Wuk Indians
47 Utu Utu Gwaitu Paiute Tribe of the Bay Area Benton Paiute Reservation San Joaquin 4 16 31 River 17 Picayune Rancheria Death Valley of Chukchansi Indians Northfork Rancheria Bishop Paiute Tribe of Mono Indians Timbi-Sha Shoshone Tribe Big Sandy Rancheria of Western Mono Indians 23 Millerton Rancheria Monterey Cold Springs Rancheria of Mono Indians Table Mountain Big Pine Paiute Tribe 44 Rancheria IRWM Region Names of the Owens Valley Fresno (1) American River Basin 20 Squaw Valley Rancheria 38 Fort Independence Indian (2) Antelope Valley 33 Community of Paiute Indians (3) Anza Borrego Desert Santa Rosa Indian 11 Community of the Lone Pine Paiute-Shoshone Tribe (4) Yosemite - Mariposa Santa Rosa Rancheria 14 (5) Coachella Valley Strathmore Rancheria 13 (6) Cosumnes, American, Bear, Yuba (CABY) Central Tulare/Kern 35 Indian Ranch Rancheria (7) East Contra Costa County Coast Tule River Indian Tribe (8) Eastern San Joaquin North/South (10) Greater Los Angeles County 24 Lahontan (11) Greater Monterey County 28 (12) Imperial Bakersfield (13) Inyo-Mono 15 (14) Kaweah River Basin 48 (15) Kern County 30
Santa Ynez Band of (16) Madera Chumash Mission Indians (17) Merced
(18) Mojave 2 18 Fort Mojave Indian Tribe (35) Tule (19) Mokelumne/Amador/Calaveras (MAC) 43 41 (36) Tuolumne-Stanislaus (20) Monterey Peninsula-Carmel Bay- Los Angeles So Monterey Bay (37) Upper Feather River Watershed Sub-Region (21) North Coast (38) Kings Basin Water Authority Chemehuevi Indian Tribe San Manual Band Colorado River Basin (22) North Sacramento Valley (39) Upper Pit River Watershed 10 of Mission Indians (23) Pajaro River Watershed (40) Upper Sacramento-McCloud Santa Ana Twenty-Nine Palms Band of Mission Indians Los Angeles Morongo Band of (24) Poso Creek (41) Upper Santa Clara River Mission Indians Mission Creek Reservation Sub-Region Palm Springs (26) San Diego (42) Upper Santa Margarita 29 Soboba Band of Luiseno Indians Agua Caliente Band of Cahuilla Indians (27) San Francisco Bay Area (43) Watersheds Coalition of Ventura County Ramona Band Santa Rosa Band of Cahuilla Indians 32 42 of Cahuilla Cabazon Band of Mission Indians (28) San Luis Obispo (44) Westside - San Joaquin Cahuilla Band Augustine Band of Cahuilla Indians Pechanga Band of Luiseno Mission Indians of Mission Indians 5 (29) Santa Ana Watershed Project Authority Pauma Band of Luiseno Mission Indians Torres Martinez Desert (45) Westside (Yolo, Solano, Napa, Lake, Colusa) of the Pauma & Yuima Reserv La Jolla Band of Cahuilla Indians Pala Band of Luiseno Mission Indians Luiseno Indians (30) Santa Barbara County (46) Yuba County Rincon Band of Luiseno Mission Indians 3 Colorado River Indian Tribes (31) Santa Cruz County (47) East Stanislaus San Diego Sub-Region Los Coyotes Band of Cahuilla and Cupeno Indians San Pasqual Band of Diegueno Mission Indians 26 Iipay Nation of Santa Ysabel (32) South Orange County WMA (48) Fremont Basin Mesa Grande Band of Diegueno Mission Indians Inaja Band of Diegueno Mission Indians (33) Southern Sierra (49) Lahontan Basins Barona Group of Capitan Grande Band of Mission Indians Laguna Reservation 12 Capitan Grande Band of Diegueno Mission Indians Ewiiaapaayp Band of Kumeyaay Indians (34) Tahoe-Sierra (50) San Gorgonio Viejas (Baron Long) Group of Capitan Grande Band of Mission India La Posta Band Manzanita Band of Diegueno Mission Indians Sycuan Band of the Kumeyaay Nation of Diegueno Quechan Tribe of the Mission Indians Campo Band of Diegueno Mission Indians Fort Yuma Indian Reservation Jamul Indian Village IRWM Region notes: A) Increased symbol shading is shown where there is an IRWM boundary overlap. B) Numbers shown are for reference purposes only and correspond to internal DWR Region Acceptance Process (RAP) submittal identifications. C) Region boundaries shown are those submitted by each Regional Water Management Group (RWMG) to DWR as part of the RAP (or per subsequent, approved revisions). - RAP 2009 = ID No's 1 - 46 - RAP 2011 = ID No's 47 - 49 - RAP 2016 = ID No. 50 0 25 50 100 D) ID No. 25 (Sacramento Valley) is no longer participating in the IRWM Grant Program and is no longer shown. E) ID No. 9 (Gateway) has been incorporated into ID No. 10 (Greater Los Angeles County) and is no longer shown. Miles
CA Department of Water Resources, Public Affairs Office, May 2020