Tuesday, January 20, 2009

Environmental Protection Agency Announces Decision on Missouri Impaired Waters List

The U.S. Environmental Protection Agency (EPA) has released its final decision on Missouri's 2004/2006 list of impaired waters. This decision will help the Missouri Department of Natural Resources (MoDNR) set priorities for restoration activities to improve water quality in the coming years.

MoDNR submitted its impaired waters list to EPA for review and approval, as required by the Clean Water Act (CWA). The CWA requires EPA to review the state's list of impaired waters to determine if the state reasonably considered available water quality-related data, and identified waters to be listed.

EPA's action finalizes the previous decisions on Missouri's list, which included the approval of Missouri's decision to list 99 waters and the delisting of 183 waters. It also finalizes EPA's decision by adding or restoring 129 waters and approving the delisting of four waters.

EPA's decision letter provides a more detailed description of EPA's review and the basis for this action. The decision letter, including the impaired waters list, is available here.

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