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 Code of Federal Regulations (Last Updated: May 6, 2024)
 Title 40 - Protection of Environment
 Chapter I - Environmental Protection Agency
 SubChapter C - Air Programs
 Part 81 - Designation of Areas for Air Quality Planning Purposes
 Subpart C - Section 107 Attainment Status Designations

  § 81.342 - South Dakota.  

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  • § 81.342 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 StateX

    South Dakota - 2010 Sulfur Dioxide NAAQS

    [Primary]

    Designated area1 Designation
    Date2 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 County9/12/16Attainment/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
    Date1 Type Date1 Type
    StatewideUnclassifiable/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
    Date1 Type Date1 Type
    StatewideUnclassifiable/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 Area04/05/06Attainment
    Rest of State1 11/15/90Unclassifiable

    1 Denotes a single area designation for PSD baseline area purposes.

    South Dakota - 1997 Annual PM2.5 NAAQS

    [Primary and Secondary]

    Designated area Designationa Classification
    Date1 Type Date Type
    Statewide:
    Aurora CountyUnclassifiable/Attainment.
    Beadle CountyUnclassifiable/Attainment.
    Bennett CountyUnclassifiable/Attainment.
    Bon Homme CountyUnclassifiable/Attainment.
    Brookings CountyUnclassifiable/Attainment.
    Brown CountyUnclassifiable/Attainment.
    Brule CountyUnclassifiable/Attainment.
    Buffalo CountyUnclassifiable/Attainment.
    Butte CountyUnclassifiable/Attainment.
    Campbell CountyUnclassifiable/Attainment.
    Charles Mix CountyUnclassifiable/Attainment.
    Clark CountyUnclassifiable/Attainment.
    Clay CountyUnclassifiable/Attainment.
    Codington CountyUnclassifiable/Attainment.
    Corson CountyUnclassifiable/Attainment.
    Custer CountyUnclassifiable/Attainment.
    Davison CountyUnclassifiable/Attainment.
    Day CountyUnclassifiable/Attainment.
    Deuel CountyUnclassifiable/Attainment.
    Dewey CountyUnclassifiable/Attainment.
    Douglas CountyUnclassifiable/Attainment.
    Edmunds CountyUnclassifiable/Attainment.
    Fall River CountyUnclassifiable/Attainment.
    Faulk CountyUnclassifiable/Attainment.
    Grant CountyUnclassifiable/Attainment.
    Gregory CountyUnclassifiable/Attainment.
    Haakon CountyUnclassifiable/Attainment.
    Hamlin CountyUnclassifiable/Attainment.
    Hand CountyUnclassifiable/Attainment.
    Hanson CountyUnclassifiable/Attainment.
    Harding CountyUnclassifiable/Attainment.
    Hughes CountyUnclassifiable/Attainment.
    Hutchinson CountyUnclassifiable/Attainment.
    Hyde CountyUnclassifiable/Attainment.
    Jackson CountyUnclassifiable/Attainment.
    Jerauld CountyUnclassifiable/Attainment.
    Jones CountyUnclassifiable/Attainment.
    Kingsbury CountyUnclassifiable/Attainment.
    Lake CountyUnclassifiable/Attainment.
    Lawrence CountyUnclassifiable/Attainment.
    Lincoln CountyUnclassifiable/Attainment.
    Lyman CountyUnclassifiable/Attainment.
    McCook CountyUnclassifiable/Attainment.
    McPherson CountyUnclassifiable/Attainment.
    Marshall CountyUnclassifiable/Attainment.
    Meade CountyUnclassifiable/Attainment.
    Mellette CountyUnclassifiable/Attainment.
    Miner CountyUnclassifiable/Attainment.
    Minnehaha CountyUnclassifiable/Attainment.
    Moody CountyUnclassifiable/Attainment.
    Pennington CountyUnclassifiable/Attainment.
    Perkins CountyUnclassifiable/Attainment.
    Potter CountyUnclassifiable/Attainment.
    Roberts CountyUnclassifiable/Attainment.
    Sanborn CountyUnclassifiable/Attainment.
    Shannon CountyUnclassifiable/Attainment.
    Spink CountyUnclassifiable/Attainment.
    Stanley CountyUnclassifiable/Attainment.
    Sully CountUnclassifiable/Attainment.
    Todd CountyUnclassifiable/Attainment.
    Tripp CountyUnclassifiable/Attainment.
    Turner CountyUnclassifiable/Attainment.
    Union CountyUnclassifiable/Attainment.
    Walworth CountyUnclassifiable/Attainment.
    Yankton CountyUnclassifiable/Attainment.
    Ziebach CountyUnclassifiable/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 PM2.5 NAAQS

    [Primary]

    Designated area1 Designation Classification
    Date2 Type Date2 Type
    Statewide:
    Aurora CountyUnclassifiable/Attainment
    Beadle CountyUnclassifiable/Attainment
    Bennett CountyUnclassifiable/Attainment
    Bon Homme CountyUnclassifiable/Attainment
    Brookings CountyUnclassifiable/Attainment
    Brown CountyUnclassifiable/Attainment
    Brule CountyUnclassifiable/Attainment
    Buffalo CountyUnclassifiable/Attainment
    Butte CountyUnclassifiable/Attainment
    Campbell CountyUnclassifiable/Attainment
    Charles Mix CountyUnclassifiable/Attainment
    Clark CountyUnclassifiable/Attainment
    Clay CountyUnclassifiable/Attainment
    Codington CountyUnclassifiable/Attainment
    Corson CountyUnclassifiable/Attainment
    Custer CountyUnclassifiable/Attainment
    Davison CountyUnclassifiable/Attainment
    Day CountyUnclassifiable/Attainment
    Deuel CountyUnclassifiable/Attainment
    Dewey CountyUnclassifiable/Attainment
    Douglas CountyUnclassifiable/Attainment
    Edmunds CountyUnclassifiable/Attainment
    Fall River CountyUnclassifiable/Attainment
    Faulk CountyUnclassifiable/Attainment
    Grant CountyUnclassifiable/Attainment
    Gregory CountyUnclassifiable/Attainment
    Haakon CountyUnclassifiable/Attainment
    Hamlin CountyUnclassifiable/Attainment
    Hand CountyUnclassifiable/Attainment
    Hanson CountyUnclassifiable/Attainment
    Harding CountyUnclassifiable/Attainment
    Hughes CountyUnclassifiable/Attainment
    Hutchinson CountyUnclassifiable/Attainment
    Hyde CountyUnclassifiable/Attainment
    Jackson CountyUnclassifiable/Attainment
    Jerauld CountyUnclassifiable/Attainment
    Jones CountyUnclassifiable/Attainment
    Kingsbury CountyUnclassifiable/Attainment
    Lake CountyUnclassifiable/Attainment
    Lawrence CountyUnclassifiable/Attainment
    Lincoln CountyUnclassifiable/Attainment
    Lyman CountyUnclassifiable/Attainment
    McCook CountyUnclassifiable/Attainment
    McPherson CountyUnclassifiable/Attainment
    Marshall CountyUnclassifiable/Attainment
    Meade CountyUnclassifiable/Attainment
    Mellette CountyUnclassifiable/Attainment
    Miner CountyUnclassifiable/Attainment
    Minnehaha CountyUnclassifiable/Attainment
    Moody CountyUnclassifiable/Attainment
    Pennington CountyUnclassifiable/Attainment
    Perkins CountyUnclassifiable/Attainment
    Potter CountyUnclassifiable/Attainment
    Roberts CountyUnclassifiable/Attainment
    Sanborn CountyUnclassifiable/Attainment
    Shannon CountyUnclassifiable/Attainment
    Spink CountyUnclassifiable/Attainment
    Stanley CountyUnclassifiable/Attainment
    Sully CountUnclassifiable/Attainment
    Todd CountyUnclassifiable/Attainment
    Tripp CountyUnclassifiable/Attainment
    Turner CountyUnclassifiable/Attainment
    Union CountyUnclassifiable/Attainment
    Walworth CountyUnclassifiable/Attainment
    Yankton CountyUnclassifiable/Attainment
    Ziebach CountyUnclassifiable/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 PM2.5 NAAQS

    [Primary and Secondary]

    Designated area Designationa Classification
    Date1 Type Date Type
    Statewide:
    Aurora CountyUnclassifiable/Attainment.
    Beadle CountyUnclassifiable/Attainment.
    Bennett CountyUnclassifiable/Attainment.
    Bon Homme CountyUnclassifiable/Attainment.
    Brookings CountyUnclassifiable/Attainment.
    Brown CountyUnclassifiable/Attainment.
    Brule CountyUnclassifiable/Attainment.
    Buffalo CountyUnclassifiable/Attainment.
    Butte CountyUnclassifiable/Attainment.
    Campbell CountyUnclassifiable/Attainment.
    Charles Mix CountyUnclassifiable/Attainment.
    Clark CountyUnclassifiable/Attainment.
    Clay CountyUnclassifiable/Attainment.
    Codington CountyUnclassifiable/Attainment.
    Croson CountyUnclassifiable/Attainment.
    Custer CountyUnclassifiable/Attainment.
    Davison CountyUnclassifiable/Attainment.
    Day CountyUnclassifiable/Attainment.
    Deuel CountyUnclassifiable/Attainment.
    Dewey CountyUnclassifiable/Attainment.
    Douglas CountyUnclassifiable/Attainment.
    Edmunds CountyUnclassifiable/Attainment.
    Fall River CountyUnclassifiable/Attainment.
    Faulk CountyUnclassifiable/Attainment.
    Grant CountyUnclassifiable/Attainment.
    Gregory CountyUnclassifiable/Attainment.
    Haakon CountyUnclassifiable/Attainment.
    Hamlin CountyUnclassifiable/Attainment.
    Hand CountyUnclassifiable/Attainment.
    Hanson CountyUnclassifiable/Attainment.
    Harding CountyUnclassifiable/Attainment.
    Hughes CountyUnclassifiable/Attainment.
    Hutchinson CountyUnclassifiable/Attainment.
    Hyde CountyUnclassifiable/Attainment.
    Jackson CountyUnclassifiable/Attainment.
    Jerauld CountyUnclassifiable/Attainment.
    Jones CountyUnclassifiable/Attainment.
    Kingsbury CountyUnclassifiable/Attainment.
    Lake CountyUnclassifiable/Attainment.
    Lawrence CountyUnclassifiable/Attainment.
    Lincoln CountyUnclassifiable/Attainment.
    Lyman CountyUnclassifiable/Attainment.
    McCook CountyUnclassifiable/Attainment.
    McPherson CountyUnclassifiable/Attainment.
    Marshall CountyUnclassifiable/Attainment.
    Meade CountyUnclassifiable/Attainment.
    Mellette CountyUnclassifiable/Attainment.
    Miner CountyUnclassifiable/Attainment.
    Minnehaha CountyUnclassifiable/Attainment.
    Moody CountyUnclassifiable/Attainment.
    Pennington CountyUnclassifiable/Attainment.
    Perkins CountyUnclassifiable/Attainment.
    Potter CountyUnclassifiable/Attainment.
    Roberts CountyUnclassifiable/Attainment.
    Sanborn CountyUnclassifiable/Attainment.
    Shannon CountyUnclassifiable/Attainment.
    Spink CountyUnclassifiable/Attainment.
    Stanley CountyUnclassifiable/Attainment.
    Sully CountyUnclassifiable/Attainment.
    Todd CountyUnclassifiable/Attainment.
    Tripp CountyUnclassifiable/Attainment.
    Turner CountyUnclassifiable/Attainment.
    Union CountyUnclassifiable/Attainment.
    Walworth CountyUnclassifiable/Attainment.
    Yankton CountyUnclassifiable/Attainment.
    Ziebach CountyUnclassifiable/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 PM2.5 NAAQS

    [Primary and Secondary]

    Designated area Designationa Classification
    Date1 Type Date Type
    Statewide:
    Aurora CountyUnclassifiable/Attainment.
    Beadle CountyUnclassifiable/Attainment.
    Bennett CountyUnclassifiable/Attainment.
    Bon Homme CountyUnclassifiable/Attainment.
    Brookings CountyUnclassifiable/Attainment.
    Brown CountyUnclassifiable/Attainment.
    Brule CountyUnclassifiable/Attainment.
    Buffalo CountyUnclassifiable/Attainment.
    Butte CountyUnclassifiable/Attainment.
    Campbell CountyUnclassifiable/Attainment.
    Charles Mix CountyUnclassifiable/Attainment.
    Clark CountyUnclassifiable/Attainment.
    Clay CountyUnclassifiable/Attainment.
    Codington CountyUnclassifiable/Attainment.
    Croson CountyUnclassifiable/Attainment.
    Custer CountyUnclassifiable/Attainment.
    Davison CountyUnclassifiable/Attainment.
    Day CountyUnclassifiable/Attainment.
    Deuel CountyUnclassifiable/Attainment.
    Dewey CountyUnclassifiable/Attainment.
    Douglas CountyUnclassifiable/Attainment.
    Edmunds CountyUnclassifiable/Attainment.
    Fall River CountyUnclassifiable/Attainment.
    Faulk CountyUnclassifiable/Attainment.
    Grant CountyUnclassifiable/Attainment.
    Gregory CountyUnclassifiable/Attainment.
    Haakon CountyUnclassifiable/Attainment.
    Hamlin CountyUnclassifiable/Attainment.
    Hand CountyUnclassifiable/Attainment.
    Hanson CountyUnclassifiable/Attainment.
    Harding CountyUnclassifiable/Attainment.
    Hughes CountyUnclassifiable/Attainment.
    Hutchinson CountyUnclassifiable/Attainment.
    Hyde CountyUnclassifiable/Attainment.
    Jackson CountyUnclassifiable/Attainment.
    Jerauld CountyUnclassifiable/Attainment.
    Jones CountyUnclassifiable/Attainment.
    Kingsbury CountyUnclassifiable/Attainment.
    Lake CountyUnclassifiable/Attainment.
    Lawrence CountyUnclassifiable/Attainment.
    Lincoln CountyUnclassifiable/Attainment.
    Lyman CountyUnclassifiable/Attainment.
    McCook CountyUnclassifiable/Attainment.
    McPherson CountyUnclassifiable/Attainment.
    Marshall CountyUnclassifiable/Attainment.
    Meade CountyUnclassifiable/Attainment.
    Mellette CountyUnclassifiable/Attainment.
    Miner CountyUnclassifiable/Attainment.
    Minnehaha CountyUnclassifiable/Attainment.
    Moody CountyUnclassifiable/Attainment.
    Pennington CountyUnclassifiable/Attainment.
    Perkins CountyUnclassifiable/Attainment.
    Potter CountyUnclassifiable/Attainment.
    Roberts CountyUnclassifiable/Attainment.
    Sanborn CountyUnclassifiable/Attainment.
    Shannon CountyUnclassifiable/Attainment.
    Spink CountyUnclassifiable/Attainment.
    Stanley CountyUnclassifiable/Attainment.
    Sully CountyUnclassifiable/Attainment.
    Todd CountyUnclassifiable/Attainment.
    Tripp CountyUnclassifiable/Attainment.
    Turner CountyUnclassifiable/Attainment.
    Union CountyUnclassifiable/Attainment.
    Walworth CountyUnclassifiable/Attainment.
    Yankton CountyUnclassifiable/Attainment.
    Ziebach CountyUnclassifiable/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 - NO2 (1971 Annual Standard)

    Designated area Does not meet primary standards Cannot be classified or better than national standards
    Entire StateX

    South Dakota - NO2 (2010 1-Hour Standard)

    Designated area Designationa
    Date1 Type
    Aurora CountyUnclassifiable/Attainment.
    Beadle CountyUnclassifiable/Attainment.
    Bennett CountyUnclassifiable/Attainment.
    Bon Homme CountyUnclassifiable/Attainment.
    Brookings CountyUnclassifiable/Attainment.
    Brown CountyUnclassifiable/Attainment.
    Brule CountyUnclassifiable/Attainment.
    Buffalo CountyUnclassifiable/Attainment.
    Butte CountyUnclassifiable/Attainment.
    Campbell CountyUnclassifiable/Attainment.
    Charles Mix CountyUnclassifiable/Attainment.
    Clark CountyUnclassifiable/Attainment.
    Clay CountyUnclassifiable/Attainment.
    Codington CountyUnclassifiable/Attainment.
    Corson CountyUnclassifiable/Attainment.
    Custer CountyUnclassifiable/Attainment.
    Davison CountyUnclassifiable/Attainment.
    Day CountyUnclassifiable/Attainment.
    Deuel CountyUnclassifiable/Attainment.
    Dewey CountyUnclassifiable/Attainment.
    Douglas CountyUnclassifiable/Attainment.
    Edmunds CountyUnclassifiable/Attainment.
    Fall River CountyUnclassifiable/Attainment.
    Faulk CountyUnclassifiable/Attainment.
    Grant CountyUnclassifiable/Attainment.
    Gregory CountyUnclassifiable/Attainment.
    Haakon CountyUnclassifiable/Attainment.
    Hamlin CountyUnclassifiable/Attainment.
    Hand CountyUnclassifiable/Attainment.
    Hanson CountyUnclassifiable/Attainment.
    Harding CountyUnclassifiable/Attainment.
    Hughes CountyUnclassifiable/Attainment.
    Hutchinson CountyUnclassifiable/Attainment.
    Hyde CountyUnclassifiable/Attainment.
    Jackson CountyUnclassifiable/Attainment.
    Jerauld CountyUnclassifiable/Attainment.
    Jones CountyUnclassifiable/Attainment.
    Kingsbury CountyUnclassifiable/Attainment.
    Lake CountyUnclassifiable/Attainment.
    Lawrence CountyUnclassifiable/Attainment.
    Lincoln CountyUnclassifiable/Attainment.
    Lyman CountyUnclassifiable/Attainment.
    McCook CountyUnclassifiable/Attainment.
    McPherson CountyUnclassifiable/Attainment.
    Marshall CountyUnclassifiable/Attainment.
    Meade CountyUnclassifiable/Attainment.
    Mellette CountyUnclassifiable/Attainment.
    Miner CountyUnclassifiable/Attainment.
    Minnehaha CountyUnclassifiable/Attainment.
    Moody CountyUnclassifiable/Attainment.
    Pennington CountyUnclassifiable/Attainment.
    Perkins CountyUnclassifiable/Attainment.
    Potter CountyUnclassifiable/Attainment.
    Roberts CountyUnclassifiable/Attainment.
    Sanborn CountyUnclassifiable/Attainment.
    Shannon CountyUnclassifiable/Attainment.
    Spink CountyUnclassifiable/Attainment.
    Stanley CountyUnclassifiable/Attainment.
    Sully CountyUnclassifiable/Attainment.
    Todd CountyUnclassifiable/Attainment.
    Tripp CountyUnclassifiable/Attainment.
    Turner CountyUnclassifiable/Attainment.
    Union CountyUnclassifiable/Attainment.
    Walworth CountyUnclassifiable/Attainment.
    Yankton CountyUnclassifiable/Attainment.
    Ziebach CountyUnclassifiable/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 Designationa Category/classification
    Date1 Type Date1 Type
    StatewideUnclassifiable/Attainment
    Aurora CountyUnclassifiable/Attainment
    Beadle CountyUnclassifiable/Attainment
    Bennett CountyUnclassifiable/Attainment
    Bon Homme CountyUnclassifiable/Attainment
    Brookings CountyUnclassifiable/Attainment
    Brown CountyUnclassifiable/Attainment
    Brule CountyUnclassifiable/Attainment
    Buffalo CountyUnclassifiable/Attainment
    Butte CountyUnclassifiable/Attainment
    Campbell CountyUnclassifiable/Attainment
    Charles Mix CountyUnclassifiable/Attainment
    Clark CountyUnclassifiable/Attainment
    Clay CountyUnclassifiable/Attainment
    Codington CountyUnclassifiable/Attainment
    Corson CountyUnclassifiable/Attainment
    Custer CountyUnclassifiable/Attainment
    Davison CountyUnclassifiable/Attainment
    Day CountyUnclassifiable/Attainment
    Deuel CountyUnclassifiable/Attainment
    Dewey CountyUnclassifiable/Attainment
    Douglas CountyUnclassifiable/Attainment
    Edmunds CountyUnclassifiable/Attainment
    Fall River CountyUnclassifiable/Attainment
    Faulk CountyUnclassifiable/Attainment
    Grant CountyUnclassifiable/Attainment
    Gregory CountyUnclassifiable/Attainment
    Haakon CountyUnclassifiable/Attainment
    Hamlin CountyUnclassifiable/Attainment
    Hand CountyUnclassifiable/Attainment
    Hanson CountyUnclassifiable/Attainment
    Harding CountyUnclassifiable/Attainment
    Hughes CountyUnclassifiable/Attainment
    Hutchinson CountyUnclassifiable/Attainment
    Hyde CountyUnclassifiable/Attainment
    Jackson CountyUnclassifiable/Attainment
    Jerauld CountyUnclassifiable/Attainment
    Jones CountyUnclassifiable/Attainment
    Kingsbury CountyUnclassifiable/Attainment
    Lake CountyUnclassifiable/Attainment
    Lawrence CountyUnclassifiable/Attainment
    Lincoln CountyUnclassifiable/Attainment
    Lyman CountyUnclassifiable/Attainment
    Marshall CountyUnclassifiable/Attainment
    McCook CountyUnclassifiable/Attainment
    McPherson CountyUnclassifiable/Attainment
    Meade CountyUnclassifiable/Attainment
    Mellette CountyUnclassifiable/Attainment
    Miner CountyUnclassifiable/Attainment
    Minnehaha CountyUnclassifiable/Attainment
    Moody CountyUnclassifiable/Attainment
    Pennington CountyUnclassifiable/Attainment
    Perkins CountyUnclassifiable/Attainment
    Potter CountyUnclassifiable/Attainment
    Roberts CountyUnclassifiable/Attainment
    Sanborn CountyUnclassifiable/Attainment
    Shannon CountyUnclassifiable/Attainment
    Spink CountyUnclassifiable/Attainment
    Stanley CountyUnclassifiable/Attainment
    Sully CountyUnclassifiable/Attainment
    Todd CountyUnclassifiable/Attainment
    Tripp CountyUnclassifiable/Attainment
    Turner CountyUnclassifiable/Attainment
    Union CountyUnclassifiable/Attainment
    Walworth CountyUnclassifiable/Attainment
    Yankton CountyUnclassifiable/Attainment
    Ziebach CountyUnclassifiable/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) Secondary]

    Designated area Designation Classification
    Date1 Type Date1 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 area1 Designation Classification
    Date2 Type Date Type
    StatewideAttainment/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 NAAQSa
    Date1 Type
    Whole StateUnclassifiable/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

    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.