South Dakota.

South Dakota—1971 Sulfur Dioxide NAAQS [Primary and Secondary] Designated Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards Entire State X South Dakota—2010 Sulfur Dioxide NAAQS [Primary] Designated area 1 Designation Date 2 Type Statewide: Attainment/Unclassifiable. Aurora County Beadle County Bennett County Bon Homme County Brookings County Brown County Brule County Buffalo County Butte County Campbell County Charles Mix County Clark County Clay County Codington County Corson County Custer County Davison County Day County Deuel County Dewey County Douglas County Edmunds County Fall River County Faulk County Grant County 9/12/2016 Attainment/Unclassifiable. Gregory County Haakon County Hamlin County Hand County Hanson County Harding County Hughes County Hutchinson County Hyde County Jackson County Jerauld County Jones County Kingsbury County Lake County Lawrence County Lincoln County Lyman County McCook County McPherson County Marshall County Meade County Mellette County Miner County Minnehaha County Moody County Oglala Lakota County Pennington County Perkins County Potter County Roberts County Sanborn County Spink County Stanley County Sully County Todd County Tripp County Turner County Union County Walworth County Yankton County Ziebach County 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is April 9, 2018, unless otherwise noted. South Dakota—Carbon Monoxide Designated Area Designation Classification Date 1 Type Date 1 Type Statewide Unclassifiable/Attainment Aurora County Beadle County Bennett County Bon Homme County Brookings County Brown County Brule County Buffalo County Butte County Campbell County Charles Mix County Clark County Clay County Codington County Corson County Custer County Davison County Day County Deuel County Dewey County Douglas County Edmunds County Fall River County Faulk County Grant County Gregory County Haakon County Hamlin County Hand County Hanson County Harding County Hughes County Hutchinson County Hyde County Jackson County Jerauld County Jones County Kingsbury County Lake County Lawrence County Lincoln County Lyman County Marshall County McCook County McPherson County Meade County Mellette County Miner County Minnehaha County Moody County Pennington County Perkins County Potter County Roberts County Sanborn County Shannon County Spink County Stanley County Sully County Todd County Tripp County Turner County Union County Walworth County Yankton County Ziebach County 1 This date is November 15, 1990, unless otherwise noted. South Dakota—Ozone (1-Hour Standard) 2 Designated area Designation Classification Date 1 Type Date 1 Type Statewide Unclassifiable/Attainment Aurora County Beadle County Bennett County Bon Homme County Brookings County Brown County Brule County Buffalo County Butte County Campbell County Charles Mix County Clark County Clay County Codington County Corson County Custer County Davison County Day County Deuel County Dewey County Douglas County Edmunds County Fall River County Faulk County Grant County Gregory County Haakon County Hamlin County Hand County Hanson County Harding County Hughes County Hutchinson County Hyde County Jackson County Jerauld County Jones County Kingsbury County Lake County Lawrence County Lincoln County Lyman County Marshall County McCook County McPherson County Meade County Mellette County Miner County Minnehaha County Moody County Pennington County Perkins County Potter County Roberts County Sanborn County Shannon County Spink County Stanley County Sully County Todd County Tripp County Turner County Union County Walworth County Yankton County Ziebach County 1 This date is October 18, 2000, unless otherwise noted. 2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in South Dakota. South Dakota—PM-10 Designated area Designation Classification Date Type Date Type Rapid City Area 04/05/2006 Attainment Rest of State 1 11/15/1990 Unclassifiable 1 Denotes a single area designation for PSD baseline area purposes. South Dakota—1997 Annual PM 2.5 NAAQS [Primary and Secondary] Designated area Designation a Classification Date 1 Type Date Type Statewide: Aurora County Unclassifiable/Attainment. Beadle County Unclassifiable/Attainment. Bennett County Unclassifiable/Attainment. Bon Homme County Unclassifiable/Attainment. Brookings County Unclassifiable/Attainment. Brown County Unclassifiable/Attainment. Brule County Unclassifiable/Attainment. Buffalo County Unclassifiable/Attainment. Butte County Unclassifiable/Attainment. Campbell County Unclassifiable/Attainment. Charles Mix County Unclassifiable/Attainment. Clark County Unclassifiable/Attainment. Clay County Unclassifiable/Attainment. Codington County Unclassifiable/Attainment. Corson County Unclassifiable/Attainment. Custer County Unclassifiable/Attainment. Davison County Unclassifiable/Attainment. Day County Unclassifiable/Attainment. Deuel County Unclassifiable/Attainment. Dewey County Unclassifiable/Attainment. Douglas County Unclassifiable/Attainment. Edmunds County Unclassifiable/Attainment. Fall River County Unclassifiable/Attainment. Faulk County Unclassifiable/Attainment. Grant County Unclassifiable/Attainment. Gregory County Unclassifiable/Attainment. Haakon County Unclassifiable/Attainment. Hamlin County Unclassifiable/Attainment. Hand County Unclassifiable/Attainment. Hanson County Unclassifiable/Attainment. Harding County Unclassifiable/Attainment. Hughes County Unclassifiable/Attainment. Hutchinson County Unclassifiable/Attainment. Hyde County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Jerauld County Unclassifiable/Attainment. Jones County Unclassifiable/Attainment. Kingsbury County Unclassifiable/Attainment. Lake County Unclassifiable/Attainment. Lawrence County Unclassifiable/Attainment. Lincoln County Unclassifiable/Attainment. Lyman County Unclassifiable/Attainment. McCook County Unclassifiable/Attainment. McPherson County Unclassifiable/Attainment. Marshall County Unclassifiable/Attainment. Meade County Unclassifiable/Attainment. Mellette County Unclassifiable/Attainment. Miner County Unclassifiable/Attainment. Minnehaha County Unclassifiable/Attainment. Moody County Unclassifiable/Attainment. Pennington County Unclassifiable/Attainment. Perkins County Unclassifiable/Attainment. Potter County Unclassifiable/Attainment. Roberts County Unclassifiable/Attainment. Sanborn County Unclassifiable/Attainment. Shannon County Unclassifiable/Attainment. Spink County Unclassifiable/Attainment. Stanley County Unclassifiable/Attainment. Sully Count Unclassifiable/Attainment. Todd County Unclassifiable/Attainment. Tripp County Unclassifiable/Attainment. Turner County Unclassifiable/Attainment. Union County Unclassifiable/Attainment. Walworth County Unclassifiable/Attainment. Yankton County Unclassifiable/Attainment. Ziebach County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 90 days after January 5, 2005, unless otherwise noted. South Dakota—2012 Annual PM 2.5 NAAQS [Primary] Designated area 1 Designation Classification Date 2 Type Date 2 Type Statewide: Aurora County Unclassifiable/Attainment Beadle County Unclassifiable/Attainment Bennett County Unclassifiable/Attainment Bon Homme County Unclassifiable/Attainment Brookings County Unclassifiable/Attainment Brown County Unclassifiable/Attainment Brule County Unclassifiable/Attainment Buffalo County Unclassifiable/Attainment Butte County Unclassifiable/Attainment Campbell County Unclassifiable/Attainment Charles Mix County Unclassifiable/Attainment Clark County Unclassifiable/Attainment Clay County Unclassifiable/Attainment Codington County Unclassifiable/Attainment Corson County Unclassifiable/Attainment Custer County Unclassifiable/Attainment Davison County Unclassifiable/Attainment Day County Unclassifiable/Attainment Deuel County Unclassifiable/Attainment Dewey County Unclassifiable/Attainment Douglas County Unclassifiable/Attainment Edmunds County Unclassifiable/Attainment Fall River County Unclassifiable/Attainment Faulk County Unclassifiable/Attainment Grant County Unclassifiable/Attainment Gregory County Unclassifiable/Attainment Haakon County Unclassifiable/Attainment Hamlin County Unclassifiable/Attainment Hand County Unclassifiable/Attainment Hanson County Unclassifiable/Attainment Harding County Unclassifiable/Attainment Hughes County Unclassifiable/Attainment Hutchinson County Unclassifiable/Attainment Hyde County Unclassifiable/Attainment Jackson County Unclassifiable/Attainment Jerauld County Unclassifiable/Attainment Jones County Unclassifiable/Attainment Kingsbury County Unclassifiable/Attainment Lake County Unclassifiable/Attainment Lawrence County Unclassifiable/Attainment Lincoln County Unclassifiable/Attainment Lyman County Unclassifiable/Attainment McCook County Unclassifiable/Attainment McPherson County Unclassifiable/Attainment Marshall County Unclassifiable/Attainment Meade County Unclassifiable/Attainment Mellette County Unclassifiable/Attainment Miner County Unclassifiable/Attainment Minnehaha County Unclassifiable/Attainment Moody County Unclassifiable/Attainment Pennington County Unclassifiable/Attainment Perkins County Unclassifiable/Attainment Potter County Unclassifiable/Attainment Roberts County Unclassifiable/Attainment Sanborn County Unclassifiable/Attainment Shannon County Unclassifiable/Attainment Spink County Unclassifiable/Attainment Stanley County Unclassifiable/Attainment Sully Count Unclassifiable/Attainment Todd County Unclassifiable/Attainment Tripp County Unclassifiable/Attainment Turner County Unclassifiable/Attainment Union County Unclassifiable/Attainment Walworth County Unclassifiable/Attainment Yankton County Unclassifiable/Attainment Ziebach County Unclassifiable/Attainment 1 Includes areas of Indian country located in each county or area, except as otherwise specified. 2 This date is April 15, 2015, unless otherwise noted. South Dakota—1997 24-Hour PM 2.5 NAAQS [Primary and Secondary] Designated area Designation a Classification Date 1 Type Date Type Statewide: Aurora County Unclassifiable/Attainment. Beadle County Unclassifiable/Attainment. Bennett County Unclassifiable/Attainment. Bon Homme County Unclassifiable/Attainment. Brookings County Unclassifiable/Attainment. Brown County Unclassifiable/Attainment. Brule County Unclassifiable/Attainment. Buffalo County Unclassifiable/Attainment. Butte County Unclassifiable/Attainment. Campbell County Unclassifiable/Attainment. Charles Mix County Unclassifiable/Attainment. Clark County Unclassifiable/Attainment. Clay County Unclassifiable/Attainment. Codington County Unclassifiable/Attainment. Croson County Unclassifiable/Attainment. Custer County Unclassifiable/Attainment. Davison County Unclassifiable/Attainment. Day County Unclassifiable/Attainment. Deuel County Unclassifiable/Attainment. Dewey County Unclassifiable/Attainment. Douglas County Unclassifiable/Attainment. Edmunds County Unclassifiable/Attainment. Fall River County Unclassifiable/Attainment. Faulk County Unclassifiable/Attainment. Grant County Unclassifiable/Attainment. Gregory County Unclassifiable/Attainment. Haakon County Unclassifiable/Attainment. Hamlin County Unclassifiable/Attainment. Hand County Unclassifiable/Attainment. Hanson County Unclassifiable/Attainment. Harding County Unclassifiable/Attainment. Hughes County Unclassifiable/Attainment. Hutchinson County Unclassifiable/Attainment. Hyde County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Jerauld County Unclassifiable/Attainment. Jones County Unclassifiable/Attainment. Kingsbury County Unclassifiable/Attainment. Lake County Unclassifiable/Attainment. Lawrence County Unclassifiable/Attainment. Lincoln County Unclassifiable/Attainment. Lyman County Unclassifiable/Attainment. McCook County Unclassifiable/Attainment. McPherson County Unclassifiable/Attainment. Marshall County Unclassifiable/Attainment. Meade County Unclassifiable/Attainment. Mellette County Unclassifiable/Attainment. Miner County Unclassifiable/Attainment. Minnehaha County Unclassifiable/Attainment. Moody County Unclassifiable/Attainment. Pennington County Unclassifiable/Attainment. Perkins County Unclassifiable/Attainment. Potter County Unclassifiable/Attainment. Roberts County Unclassifiable/Attainment. Sanborn County Unclassifiable/Attainment. Shannon County Unclassifiable/Attainment. Spink County Unclassifiable/Attainment. Stanley County Unclassifiable/Attainment. Sully County Unclassifiable/Attainment. Todd County Unclassifiable/Attainment. Tripp County Unclassifiable/Attainment. Turner County Unclassifiable/Attainment. Union County Unclassifiable/Attainment. Walworth County Unclassifiable/Attainment. Yankton County Unclassifiable/Attainment. Ziebach County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 90 days after January 5, 2005, unless otherwise noted. South Dakota—2006 24-Hour PM 2.5 NAAQS [Primary and Secondary] Designated area Designation a Classification Date 1 Type Date Type Statewide: Aurora County Unclassifiable/Attainment. Beadle County Unclassifiable/Attainment. Bennett County Unclassifiable/Attainment. Bon Homme County Unclassifiable/Attainment. Brookings County Unclassifiable/Attainment. Brown County Unclassifiable/Attainment. Brule County Unclassifiable/Attainment. Buffalo County Unclassifiable/Attainment. Butte County Unclassifiable/Attainment. Campbell County Unclassifiable/Attainment. Charles Mix County Unclassifiable/Attainment. Clark County Unclassifiable/Attainment. Clay County Unclassifiable/Attainment. Codington County Unclassifiable/Attainment. Croson County Unclassifiable/Attainment. Custer County Unclassifiable/Attainment. Davison County Unclassifiable/Attainment. Day County Unclassifiable/Attainment. Deuel County Unclassifiable/Attainment. Dewey County Unclassifiable/Attainment. Douglas County Unclassifiable/Attainment. Edmunds County Unclassifiable/Attainment. Fall River County Unclassifiable/Attainment. Faulk County Unclassifiable/Attainment. Grant County Unclassifiable/Attainment. Gregory County Unclassifiable/Attainment. Haakon County Unclassifiable/Attainment. Hamlin County Unclassifiable/Attainment. Hand County Unclassifiable/Attainment. Hanson County Unclassifiable/Attainment. Harding County Unclassifiable/Attainment. Hughes County Unclassifiable/Attainment. Hutchinson County Unclassifiable/Attainment. Hyde County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Jerauld County Unclassifiable/Attainment. Jones County Unclassifiable/Attainment. Kingsbury County Unclassifiable/Attainment. Lake County Unclassifiable/Attainment. Lawrence County Unclassifiable/Attainment. Lincoln County Unclassifiable/Attainment. Lyman County Unclassifiable/Attainment. McCook County Unclassifiable/Attainment. McPherson County Unclassifiable/Attainment. Marshall County Unclassifiable/Attainment. Meade County Unclassifiable/Attainment. Mellette County Unclassifiable/Attainment. Miner County Unclassifiable/Attainment. Minnehaha County Unclassifiable/Attainment. Moody County Unclassifiable/Attainment. Pennington County Unclassifiable/Attainment. Perkins County Unclassifiable/Attainment. Potter County Unclassifiable/Attainment. Roberts County Unclassifiable/Attainment. Sanborn County Unclassifiable/Attainment. Shannon County Unclassifiable/Attainment. Spink County Unclassifiable/Attainment. Stanley County Unclassifiable/Attainment. Sully County Unclassifiable/Attainment. Todd County Unclassifiable/Attainment. Tripp County Unclassifiable/Attainment. Turner County Unclassifiable/Attainment. Union County Unclassifiable/Attainment. Walworth County Unclassifiable/Attainment. Yankton County Unclassifiable/Attainment. Ziebach County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 30 days after November 13, 2009, unless otherwise noted. South Dakota—NO 2 (1971 Annual Standard) Designated area Does not meet primary standards Cannot be classified or better than national standards Entire State X South Dakota—NO 2 (2010 1-Hour Standard) Designated area Designation a Date 1 Type Aurora County Unclassifiable/Attainment. Beadle County Unclassifiable/Attainment. Bennett County Unclassifiable/Attainment. Bon Homme County Unclassifiable/Attainment. Brookings County Unclassifiable/Attainment. Brown County Unclassifiable/Attainment. Brule County Unclassifiable/Attainment. Buffalo County Unclassifiable/Attainment. Butte County Unclassifiable/Attainment. Campbell County Unclassifiable/Attainment. Charles Mix County Unclassifiable/Attainment. Clark County Unclassifiable/Attainment. Clay County Unclassifiable/Attainment. Codington County Unclassifiable/Attainment. Corson County Unclassifiable/Attainment. Custer County Unclassifiable/Attainment. Davison County Unclassifiable/Attainment. Day County Unclassifiable/Attainment. Deuel County Unclassifiable/Attainment. Dewey County Unclassifiable/Attainment. Douglas County Unclassifiable/Attainment. Edmunds County Unclassifiable/Attainment. Fall River County Unclassifiable/Attainment. Faulk County Unclassifiable/Attainment. Grant County Unclassifiable/Attainment. Gregory County Unclassifiable/Attainment. Haakon County Unclassifiable/Attainment. Hamlin County Unclassifiable/Attainment. Hand County Unclassifiable/Attainment. Hanson County Unclassifiable/Attainment. Harding County Unclassifiable/Attainment. Hughes County Unclassifiable/Attainment. Hutchinson County Unclassifiable/Attainment. Hyde County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Jerauld County Unclassifiable/Attainment. Jones County Unclassifiable/Attainment. Kingsbury County Unclassifiable/Attainment. Lake County Unclassifiable/Attainment. Lawrence County Unclassifiable/Attainment. Lincoln County Unclassifiable/Attainment. Lyman County Unclassifiable/Attainment. McCook County Unclassifiable/Attainment. McPherson County Unclassifiable/Attainment. Marshall County Unclassifiable/Attainment. Meade County Unclassifiable/Attainment. Mellette County Unclassifiable/Attainment. Miner County Unclassifiable/Attainment. Minnehaha County Unclassifiable/Attainment. Moody County Unclassifiable/Attainment. Pennington County Unclassifiable/Attainment. Perkins County Unclassifiable/Attainment. Potter County Unclassifiable/Attainment. Roberts County Unclassifiable/Attainment. Sanborn County Unclassifiable/Attainment. Shannon County Unclassifiable/Attainment. Spink County Unclassifiable/Attainment. Stanley County Unclassifiable/Attainment. Sully County Unclassifiable/Attainment. Todd County Unclassifiable/Attainment. Tripp County Unclassifiable/Attainment. Turner County Unclassifiable/Attainment. Union County Unclassifiable/Attainment. Walworth County Unclassifiable/Attainment. Yankton County Unclassifiable/Attainment. Ziebach County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 90 days after October 31, 2011, unless otherwise noted. South Dakota—1997 8-Hour Ozone NAAQS [Primary and Secondary] Designated area Designation a Category/classification Date 1 Type Date 1 Type Statewide Unclassifiable/Attainment Aurora County Unclassifiable/Attainment Beadle County Unclassifiable/Attainment Bennett County Unclassifiable/Attainment Bon Homme County Unclassifiable/Attainment Brookings County Unclassifiable/Attainment Brown County Unclassifiable/Attainment Brule County Unclassifiable/Attainment Buffalo County Unclassifiable/Attainment Butte County Unclassifiable/Attainment Campbell County Unclassifiable/Attainment Charles Mix County Unclassifiable/Attainment Clark County Unclassifiable/Attainment Clay County Unclassifiable/Attainment Codington County Unclassifiable/Attainment Corson County Unclassifiable/Attainment Custer County Unclassifiable/Attainment Davison County Unclassifiable/Attainment Day County Unclassifiable/Attainment Deuel County Unclassifiable/Attainment Dewey County Unclassifiable/Attainment Douglas County Unclassifiable/Attainment Edmunds County Unclassifiable/Attainment Fall River County Unclassifiable/Attainment Faulk County Unclassifiable/Attainment Grant County Unclassifiable/Attainment Gregory County Unclassifiable/Attainment Haakon County Unclassifiable/Attainment Hamlin County Unclassifiable/Attainment Hand County Unclassifiable/Attainment Hanson County Unclassifiable/Attainment Harding County Unclassifiable/Attainment Hughes County Unclassifiable/Attainment Hutchinson County Unclassifiable/Attainment Hyde County Unclassifiable/Attainment Jackson County Unclassifiable/Attainment Jerauld County Unclassifiable/Attainment Jones County Unclassifiable/Attainment Kingsbury County Unclassifiable/Attainment Lake County Unclassifiable/Attainment Lawrence County Unclassifiable/Attainment Lincoln County Unclassifiable/Attainment Lyman County Unclassifiable/Attainment Marshall County Unclassifiable/Attainment McCook County Unclassifiable/Attainment McPherson County Unclassifiable/Attainment Meade County Unclassifiable/Attainment Mellette County Unclassifiable/Attainment Miner County Unclassifiable/Attainment Minnehaha County Unclassifiable/Attainment Moody County Unclassifiable/Attainment Pennington County Unclassifiable/Attainment Perkins County Unclassifiable/Attainment Potter County Unclassifiable/Attainment Roberts County Unclassifiable/Attainment Sanborn County Unclassifiable/Attainment Shannon County Unclassifiable/Attainment Spink County Unclassifiable/Attainment Stanley County Unclassifiable/Attainment Sully County Unclassifiable/Attainment Todd County Unclassifiable/Attainment Tripp County Unclassifiable/Attainment Turner County Unclassifiable/Attainment Union County Unclassifiable/Attainment Walworth County Unclassifiable/Attainment Yankton County Unclassifiable/Attainment Ziebach County Unclassifiable/Attainment a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is June 15, 2004, unless otherwise noted. South Dakota—2008 8-Hour Ozone NAAQS [Primary and Secondary] Designated area Designation Classification Date 1 Type Date 1 Type Statewide and Any Areas of Indian Country: Unclassifiable/Attainment 1 This date is July 20, 2012, unless otherwise noted. South Dakota—2015 8-Hour Ozone NAAQS [Primary and Secondary] Designated area 1 Designation Classification Date 2 Type Date Type Statewide Attainment/Unclassifiable Aurora County Beadle County Bennett County Bon Homme County Brookings County Brown County Brule County Buffalo County Campbell County Charles Mix County Clark County Clay County Codington County Corson County Custer County Davison County Day County Deuel County Dewey County Douglas County Edmunds County Fall River County Faulk County Grant County Gregory County Haakon County Hamlin County Hand County Hanson County Harding County Hughes County Hutchinson County Hyde County Jackson County Jerauld County Jones County Kingsbury County Lake County Lawrence County Lincoln County Lyman County McCook County McPherson County Marshall County Meade County Mellette County Miner County Minnehaha County Moody County Oglala Lakota County Pennington County Perkins County Potter County Roberts County Sanborn County Spink County Stanley County Sully County Todd County Tripp County Turner County Union County Walworth County Yankton County Ziebach County 1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2 This date is January 16, 2018, unless otherwise noted. South Dakota—2008 Lead NAAQS Designated area Designation for the 2008 NAAQS a Date 1 Type Whole State Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 December 31, 2011 unless otherwise noted. [36 FR 22421, Nov. 25, 1971] Editorial Note: For Federal Register citations affecting § 81.342, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.