1. Regulations
  2. title 40
  3. chapter I-i19
  4. part 81
  5. subpart C
  6. § 81.342

View all text of Subpart C [§ 81.300 - § 81.356]

§ 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 area 1Designation Date 2Type 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 Date 1Type Date 1Type 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 Date 1Type Date 1Type 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 State 111/15/90Unclassifiable

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

South Dakota—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation aClassification Date 1Type 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 area 1Designation Classification Date 2Type Date 2Type 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 Designation aClassification Date 1Type 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 Designation aClassification Date 1Type 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 Designation aDate 1Type 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 Designation aCategory/classification Date 1Type Date 1Type 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]

Designated area Designation Classification Date 1Type Date 1Type 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 1Designation Classification Date 2Type 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 NAAQS aDate 1Type 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: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.

AUTHORITY: 42 U.S.C. 7401,

SOURCE: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.

CITE AS: 40 CFR 81.342