Issuance of NPDES General Permits for Wastewater Lagoon Systems Located in Indian Country in Colorado, Montana, North Dakota, South Dakota, Utah and Wyoming

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EPA Region 8 is hereby giving notice of its reissuance of five National Pollutant Discharge Elimination System (NPDES) general permits for wastewater lagoon systems that are located in Indian country in the States of Montana, North Dakota, South Dakota, Utah and Wyoming and the issuance of the NPDES general permit for wastewater lagoon systems that are located in Indian country in the State of Colorado and that are treating primarily domestic wastewater. The general permits are grouped geographically by State, with the permit coverage being for specified Indian reservations in the State; any land held in trust by the United States for an Indian Tribe; and any other areas which are Indian country within the meaning of 18 U.S.C. 1151. The permits for the States of MT, ND, SD, UT, and WY are being reissued and replace permits that were issued in 2004. Those permits expired August 16, 2009, and have been administratively extended. The permit for the State of Colorado is being issued for the first time. The effective date of these general permits is September 14, 2010. The NPDES permit number and the area covered by that general permit are listed below by State: Colorado: COG589 This pe