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State, Tribal & Territorial Standards

Tribal Water Quality Standards approved by EPA

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Region 2: New Jersey, New York, Puerto Rico, Virgin Islands

Saint Regis Mohawk Tribe
Saint Regis Mohawk Tribe Water Quality Standards (PDF) (79 pp., 1.1 MB)
(Effective September 14, 2007) Classifications, designated uses, water quality criteria and other policies and procedures establishing water quality standards for waters of the Tribe.

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Region 4: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee

Seminole of Florida
Seminole of Florida Water Quality Standards (PDF) (3.6 MB)
Miccosukee Tribe of Indians of Florida
Miccosukee Tribe of Indians of Florida Water Quality Standards (PDF) (4.8 MB)

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Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin

Mole Lake Band of the Lake Superior Tribe of the Chippewa Indians, Sokaogon Chippewa Community
Mole Lake Band of the Lake Superior Tribe of the Chippewa Indians, Sokaogon Chippewa Community Water Quality Standards (PDF) (16 pp., 1.2 MB)
(Effective April 4, 2005) Regulations establishing water quality standards for the Sokaogon Chippewa Community.
The Fond du Lac Band of the Minnesota Chippewa Tribe
The Fond du Lac Band of the Minnesota Chippewa Tribe Water Quality Standards (PDF) (5 MB)
Grand Portage Band of the Minnesota Chippewa Tribe
Grand Portage Band of the Minnesota Chippewa Tribe Water Quality Standards (PDF) (200 K, 30 pp.)
(Effective September 28, 2006)

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Region 6: Arkansas, Louisiana, New Mexico, Oklahoma, Texas

Ohkay Owingeh (Pueblo of San Juan)
Ohkay Owingeh Water Quality Standards (PDF) (40 pp., 1.8 MB)
(Effective May 30, 2008) Classifications, designated uses, water quality criteria and other policies and procedures establishing water quality standards for waters of the Tribe.
Pueblo of Acoma
Pueblo of Acoma Water Quality Standards (PDF) (55 pp., 2.4 MB)
(Effective July 25, 2006) Classifications, designated uses, water quality criteria and other policies and procedures establishing water quality standards for waters of the Tribe.
Pueblo of Isleta
Pueblo of Isleta Water Quality Standards (PDF) (33 pp., 2.1 MB)
(Effective July 22, 2005) Classifications, designated uses, water quality criteria and other policies and procedures establishing water quality standards for waters of the Tribe.
Pueblo of Nambe
Pueblo of Nambe Water Quality Standards (2006) (PDF) (27 pp., 1.4 MB)
(Effective April 7, 2006) EPA has not completed its review of the new criteria for DDT and polychlorinated biphenyls adopted under the Livestock Watering and Wildlife Habitat use in Section IV. of the standards. These criteria have not been approved under section 303(c) of the Clean Water Act and the implementing federal regulations.
Pueblo of Picuris
Pueblo of Picuris Water Quality Standards (PDF) (36 pp., 1.4 MB)
(Effective November 26, 2007) The new procedures for rulemaking (Section VII.) are not water quality standards and EPA thus takes no action on them under CWA §303(c). In addition, EPA has not taken action on the new narrative and numeric provisions requiring maintenance of minimum stream flow (Section III. Part Q and Section IV. Parts 2 A, B, C and G). EPA will fully evaluate these provisions upon submittal of additional information on implementation.
Pueblo of Pojoaque
Pueblo of Pojoaque Water Quality Standards (PDF) (34 pp., 3.2 MB)
Pueblo of Sandia
Pueblo of Sandia Water Quality Standards (PDF) (26 pp., 1.7 MB)
Pueblo of Santa Clara
Pueblo of Santa Clara Water Quality Standards (2002) (PDF) (47 pp., 1.8 MB)
(Effective April 7, 2006) EPA has not completed its review of the revised criterion for mercury adopted under the Livestock and Wildlife use in Section IV.F. of the 2002 water quality standards. The revised mercury criterion has not been approved under section 303(c) of the Clean Water Act and the implementing federal regulations. The mercury criterion in Section IV. E. Livestock an Wildlife of the 1995 water quality standards is effective for Clean Water Act purposes.
The corresponding provisions which are in effect for Clean Water Act purposes can be found in Pueblo of Santa Clara Water Quality Standards (1995) (PDF) (34 pp., 1.9 MB) (Effective March 24, 1995)
Pueblo of Taos
Pueblo of Taos Water Quality Standards (PDF) (28 pp., 1.8 MB)
(Effective June 19, 2006) EPA has not completed its review of the criteria for DDT and polychlorinated biphenyls in Appendix C and the mercury criteria in Appendix C, Appendix D, Appendix E and Appendix F. These criteria have not been approved under section 303(c) of the Clean Water Act and the implementing federal regulations.
Pueblo of Tesuque
Pueblo of Tesuque Water Quality Standards (2006) (PDF) (2.1 MB)
(Effective April 7, 2006)

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Region 8: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming

Confederated Salish and Kootenai Tribes of the Flathead Indian Reservation
Surface Water Quality Standards and Antidegradation Policy (PDF) (72 pp., 962 K)
(Effective April 11, 2007) The Tribes' water quality standards are applicable to "waters of the Tribe". In some limited instances, the definition adopted by the Confederated Salish and Kootenai Tribes for "waters of the Tribe" as part of its water quality standards may result in water quality standards that are more comprehensive than required under section 303(c) of the Clean Water Act and the implementing federal regulations. EPA has included the Confederated Salish and Kootenai Tribes' water quality standards in their entirety here for context and as supplementary information for the reader.
Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation
Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation (PDF) (7 MB)
The Tribes' water quality standards are applicable to "waters of the Tribe". In some limited instances, the definition adopted by the Assiniboine and Sioux Tribes for "waters of the Tribe" as part of its water quality standards may result in water quality standards that are more comprehensive than required under section 303(c) of the Clean Water Act and the implementing federal regulations. EPA has included the Assiniboine and Sioux Tribes' water quality standards in their entirety here for context and as supplementary information for the reader.

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Region 9: Arizona, California, Hawaii, Nevada, Pacific Islands

Big Pine Paiute Tribe of the Owens Valley
Big Pine Paiute Tribe of Owens Valley Water Quality Standards (PDF) (26 pp., 986 K)
(Effective January 24, 2006)
Hoopa Valley Tribe
Hoopa Valley Tribe Water Quality Standards (PDF) (285 pp, 8.0 MB)
(Effective February 14, 2008)
Hopi Tribe
Hopi Tribe Water Quality Standards (PDF) (44 pp., 1.6 MB)
(Effective July 8, 2008)
Hualapai Tribe
Hualapai Tribe Water Quality Standards (PDF) (61 pp., 152 K)
Navajo Nation
Navajo Nation Water Quality Standards (PDF) (40 pp., 781 K)
White Mountain Apache
White Mountain Apache Water Quality Standards (PDF) (4.3 MB)

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Region 10: Alaska, Idaho, Oregon, Washington

Confederated Tribes of the Chehalis Reservation
Confederated Tribes of the Chehalis Reservation Water Quality Standards (PDF) (1.8 MB)
(Effective February 3, 1997)
Confederated Tribes of the Colville Reservation
Federal Water Quality Standards Regulations for the Confederated Tribes of the Colville Reservation (40 CFR 131.35) (PDF) (7 pp., 58 K)
(Effective July 1, 2005)
Confederated Tribes of the Umatilla Indian Reservation of Oregon
Confederated Tribes of the Umatilla Indian Reservation of Oregon Water Quality Standards (PDF) (10.4 MB)
(Effective October 18, 2001)
Confederated Tribes of the Warm Springs Indian Reservation of Oregon
Confederated Tribes of the Warm Springs Indian Reservation of Oregon Water Quality Standards (PDF) (1.3 MB)
(Effective July 20, 2006)
Please note that not all provisions of this document have been approved. See attached cover memo for additional information.
Kalispel Indian Community of the Kalispel Reservation
Kalispel Indian Community of the Kalispel Reservation Water Quality Standards (PDF) (301 K)
(Effective June 24, 2004)
Makah Tribe
Makah Tribe Water Quality Standards for Surface Waters (66 pp., 1.6 MB)
(Effective September 29, 2006)
Port Gamble S'Klallam Tribe
Port Gamble S'Klallam Tribe Water Quality Standards (PDF) (36 pp., 1.8M)
(Effective September 27, 2005)
Puyallup Tribe of Indians
Puyallup Tribe of Indians Water Quality Standards (PDF) (2.3 MB)
(Effective October 31, 1994)
Spokane Tribe of Indians
Spokane Tribe of Indians Water Quality Standards (PDF) (68 K)
(Effective April 22, 2003)

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