Laws & Regulations

Information related to Water Quality Standards for Hawaii.

Information about water quality standards for the Keweenaw Bay Indian Community.

Information related to Water Quality Standards for Kletsel Dehe Wintun Nation.

Information related to Water Quality Standards for Hoopa Valley Tribe.

Information related to Water Quality Standards for Lac du Flambeau Band of the Lake Superior Chippewa Tribe.

Water quality regulations and related information for the Gila River Indian Community.

Information about water quality standards for the Citizen Potawatomi Nation

Information related to Water Quality Standards for Hopi Tribe.

Information related to Water Quality Standards for Confederated Tribes of the Umatilla Indian Reservation of Oregon.

Information related to Water Quality Standards for Lummi Nation.

Information related to Water Quality Standards for Hualapai Tribe.

Information related to Water Quality Standards for Kalispel Indian Community of the Kalispel Reservation.

Information related to Water Quality Standards for Commonwealth of the Northern Mariana Islands.

Information related to Water Quality Standards for Confederated Tribes of the Colville Reservation.

EPA-approved water quality standards for the Bishop Paiute Tribe.

Information related to Water Quality Standards for Fond du Lac Band of the Minnesota Chippewa Tribe.

EPA-approved water quality standards for the Bad River Band of the Lake Superior Chippewa Tribe.

EPA-approved water quality standards for the Big Pine Paiute Tribe of the Owens Valley.

Water Quality Standards for American Samoa that are EPA-approved or in effect for Clean Water Act purposes.