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  • Environmental Protection in Indian Country
Contact Us

EPA Region 9 (Pacific Southwest)

EPA’s Pacific Southwest Region (Region 9) is committed to helping tribes strengthen their abilities to manage environmental programs in Indian Country, and to ensure that tribes have a voice in decisions that affect their land, air and water. The regional office serves 148 federally recognized tribes within Arizona, California and Nevada.

On this page:
  • Regional Tribal Operations Committee (RTOC)
  • The Indian General Assistance Program (GAP) in Region 9
  • Tribal Consultation Procedures for Region 9
  • Federally-Recognized Tribes in Region 9
    • Arizona
    • California
    • Nevada

Regional Tribal Operations Committee (RTOC)

The Regional Tribal Operations Committee (RTOC) provides an opportunity for discussion between tribes and EPA. EPA Pacific Southwest (Region 9) holds quarterly RTOC meetings.

  • Get Meeting Details and Learn More About Region 9's RTOC

Indian General Assistance Program (GAP) in Region 9

GAP is guided by GAP Guidance on Financial Assistance Agreements. For more information regarding the administration of GAP in Region 9, see the GAP Officers contact list.

  • EPA Region 9 GAP Notification
  • Quarterly Report Example Templates
  • Regional User Guide for GAP Online

Tribal Consultation Procedures for Region 9

For more specific guidelines on consultation with tribes in Region 9, see the regional procedures below.

  • Region 9 Consultation Approach

Federally-Recognized Tribes in EPA's Pacific Southwest

Hawaii has no Indian nations designated at this time.

  • See also: Map of Tribal Lands in EPA's Pacific Southwest (Region 9)

Arizona

  • Ak Chin Indian Community of the Maricopa (Ak Chin) Indian Reservation
  • Cocopah Indian Tribe
  • Colorado River Indian Tribes of the Colorado River Indian Reservation
  • Fort McDowell Yavapai Nation
  • Fort Mojave Indian Tribe
  • Gila River Indian Community
  • Havasupai Tribe of the Havasupai Reservation
  • Hopi Tribe
  • Hualapai Indian Tribe of the Hualapai Indian Reservation
  • Kaibab Band of Paiute Indians of the Kaibab Indian Reservation
  • Navajo Nation
  • Pascua Yaqui Tribe
  • Quechan Tribe of the Fort Yuma Indian Reservation
  • Salt River Pima-Maricopa Indian Community of the Salt River Reservation
  • San Carlos Apache Tribe of the San Carlos Reservation
  • San Juan Southern Paiute Tribe
  • Tohono O'odham Nation
  • Tonto Apache Tribe
  • White Mountain Apache Tribe of the Fort Apache Reservation
  • Yavapai-Apache Nation of the Camp Verde Indian Reservation
  • Yavapai-Prescott Tribe of the Yavapai Reservation

California

  • Agua Caliente Band of Cahuilla Indians of the Agua Caliente Indian Reservation
  • Augustine Band of Cahuilla Indians
    (formerly the Augustine Band of Cahuilla Mission Indians of the Augustine Reservation)
  • Alturas Indian Rancheria
  • Bear River Band of the Rohnerville Rancheria
  • Berry Creek Rancheria of Maidu Indians
  • Big Lagoon Rancheria
  • Big Pine Band of Owens Valley Paiute Shoshone Indians of the Big Pine Reservation
  • Big Sandy Rancheria of Mono Indians
  • Big Valley Band of Pomo Indians of the Big Valley Rancheria
  • Bridgeport Indian Colony
  • Buena Vista Rancheria of Me-Wuk Indians
  • Cortina Indian Rancheria of Wintun Indians
  • Death Valley Timbia-Sha Shoshone Tribe
  • Dry Creek Rancheria Band of Pomo Indians
  • Enterprise Rancheria of Maidu Indians
  • Ewiiaapaayp Band of Kumeyaay Indians
  • Federated Indians of Graton Rancheria
  • Fort Independence Indian Community of Paiute Indians of the Fort Independence Reservation
  • Fort McDermitt Paiute and Shoshone Tribes of the Fort McDermitt Indian Reservation
  • Fort Mojave Indian Tribe
  • Greenville Rancheria
  • Grindstone Indian Rancheria of Wintun-Wailaki Indians
  • Guidiville Rancheria
  • Habermatolel Pomo of Upper Lake
  • Hoopa Valley Tribe
  • Hopland Band of Pomo Indians
  • Iipay Nation Santa Ysabel
  • Inaja Band of Diegueno Missions Indians of the Inaja and Cosmit Reservation
  • Ione Band of Miwok Indians
  • Jackson Rancheria of Me-Wuk Indians
  • Jamul Indian Village
  • Karuk Tribe
  • Kashia Band of Pomo Indians of the Stewarts Point Rancheria
  • Kewa Pueblo, NM
  • Kletsel Dehe Wintun Nation
  • La Jolla Band of Luiseno Mission Indians of the La Jolla Reservation
  • La Posta Band of Diegueno Mission Indians of the La Posta Indian Reservation
  • Los Coyotes Band of Cahuilla & Cupeño Indians of the Los Coyotes Reservation
    (formerly the Los Coyotes Band of Cahuilla Mission Indians of the Los Coyotes Reservation)
  • Lower Lake Rancheria
  • Lytton Rancheria
  • Manchester Band of Pomo Indians of the Manchester-Point Arena Rancheria
  • Manzanita Band of Diegueno Mission Indians of the Manzanita Reservation
  • Mechoopda Indian Tribe of Chico Rancheria
  • Mesa Grande Band of Diegueno Mission Indians of the Mesa Grande Reservation
  • Middletown Rancheria of Pomo Indians
  • Mooretown Rancheria of Maidu Indians
  • Morongo Band of Cahuilla Mission Indians of the Morongo Reservation
  • Northfork Rancheria of Mono Indians
  • Paiute-Shoshone Indians of the Bishop Community of the Bishop Colony
  • Paiute-Shoshone Indians of the Lone Pine Community of the Lone Pine Reservation
  • Pala Band of Luiseno Mission Indians of the Pala Reservation
  • Paskenta Band of Nomlaki Indians
  • Pauma Band of Luiseño Mission Indians of the Pauma and Yuima Reservation
  • Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation
  • Picayune Rancheria of Chukchansi Indians
  • Pinoleville Pomo Nation
  • Pit River Tribe
    (includes XL Ranch, Big Bend, Likely, Lookout, Montgomery Creek and Roaring Creek Rancherias)
  • Potter Valley Tribe
    (formerly the Potter Valley Rancheria of Pomo Indians of California)
  • Quartz Valley Indian Community of the Quartz Valley Reservation
  • Quechan Tribe of the Fort Yuma Indian Reservation
  • Ramona Band or Village of Cahuilla Mission Indians
  • Redding Rancheria
  • Redwood Valley Rancheria of Pomo Indians
  • Resighini Rancheria
  • Rincon Band of Luiseno Mission Indians of the Rincon Reservation
  • Robinson Rancheria of Pomo Indians
  • Round Valley Indian Tribes of the Round Valley Reservation
  • San Manuel Band of Serrano Mission Indians of the San Manuel Reservation
  • San Pasqual Band of Diegueno Mission Indians
  • Santa Rosa Indian Community of the Santa Rosa Rancheria
  • Santa Rosa Band of Cahuilla Indians
    (formerly the Santa Rosa Band of Cahuilla Mission Indians of the Santa Rosa Reservation)
  • Santa Ynez Band of Chumash Mission Indians of the Santa Ynez Reservation
  • Santa Ysabel Band of Diegueno Mission Indians of the Santa Ysabel Reservation
  • Scotts Valley Band of Pomo Indians
  • Sherwood Valley Rancheria of Pomo Indians
  • Shingle Springs Band of Miwok Indians, Shingle Springs Rancheria (Verona Tract)
  • Tolowa Dee-ni’ Nation
  • Soboba Band of Luiseno Indians
  • Susanville Indian Rancheria
  • Sycuan Band of the Kumeyaay Nation
    (formerly the Sycuan Band of Digueno Mission Indians of California)
  • Table Mountain Rancheria
  • Tejon Indian Tribe
  • Torres Martinez Desert Cahuila Indians
    (formerly the Torres-Martinez Band of the Cahuilla Mission Indians of California)
  • Tule River Indian Tribe of the Tule River Reservation
  • Tuolumne Band of Me-Wuk Indians of the Tuolumne Rancheria
  • Twenty-Nine Palms Band of Mission Indians
  • United Auburn Indian Community of the Auburn Rancheria
  • Utu Utu Gwaitu Paiute Tribe of the Benton Paiute Reservation
  • Washoe Tribe
    (Carson Colony, Dresslerville Colony, Woodfords Community, Stewart Community, and Washoe Ranches)
  • Wiyot Tribe
    (formerly the Table Bluff Reservation - Wiyot Tribe)
  • Yocha Dehe Wintun Nation
  • Yurok Tribe of the Yurok Reservation

Nevada

  • Confederated Tribes of the Goshute Reservation
  • Duckwater Shoshone Tribe of the Duckwater Reservation
  • Ely Shoshone Tribe
  • Fort McDermitt Paiute and Shoshone Tribes of the Fort McDermitt Indian Reservation
  • Fort Mojave Indian Tribe
  • Las Vegas Tribe of Paiute Indians of the Las Vegas Indian Colony
  • Lovelock Paiute Tribe of the Lovelock Indian Colony
  • Moapa Band of Paiute Indians of the Moapa River Indian Reservation
  • Fallon Paiute Shoshone Tribe
  • Pyramid Lake Paiute Tribe of the Pyramid Lake Reservation
  • Reno-Sparks Indian Colony
  • Shoshone-Paiute Tribes of the Duck Valley Reservation
  • Summit Lake Paiute Tribe
  • Te-Moak Tribe of Western Shoshone Indians
    Four constituent bands:
    • Battle Mountain Band
    • Elko Band
    • South Fork Band
    • Wells Band
  • Walker River Paiute Tribe of the Walker River Reservation
  • Washoe Tribe
    (Carson Colony, Dresslerville Colony, Woodfords Community, Stewart Community, and Washoe Ranches)
  • Winnemucca Indian Colony
  • Yerington Paiute Tribe of the Yerington Colony & Campbell Ranch
  • Yomba Shoshone Tribe of the Yomba Reservation 

Announcements

  • EPA Region 9 GAP Notification
  • FY23 Drinking Water Tribal Set-Aside (DWTSA) Funding Announcement

Meetings and Events

(Meetings and events can be found here when available)

EPA Pacific Southwest Tribal Topics

Region 9 Tribal Program

  • Tribal Program Contacts
  • Tribal Air Program
  • Tribal Water Program
  • UST and LUST Data
  • Green Building Tools for Tribes
  • Tribal Consultation
  • Regional Tribal Operations Committee (RTOC)
  • Newsletters
  • Tribal School Drinking Water Lead Testing Project
  • Tribal PFAS Drinking Water Sampling Project
  • EPA Region 9 GAP Notification
  • Environmental Assessment Grant Support
  • Grant Programs for Tribes

Federally-Recognized Tribes in EPA Region 9

Map of Federally-Recognized Tribes in EPA's Pacific Southwest (Region 9)
  • View Map as a PDF
  • View all Federally-Recognized Tribes in Region 9

Contact

Rubén Mojica Hernandez
(mojica-hernandez.ruben@epa.gov)
U.S. EPA Region 9
Manager, Tribal Branch
Tribal Intergovernmental and Policy Division
75 Hawthorne Street
San Francisco, CA 94105
(415) 972-3268

More: Tribal Contacts in the Pacific Southwest

Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 4, 2023
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