40 CFR 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 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 State1 11/15/1990 Unclassifiable

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

South Dakota—1997 Annual PM2.5 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 PM2.5 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 PM2.5 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 PM2.5 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—NO2 (1971 Annual Standard)

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

Entire State X

South Dakota—NO2 (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 NAAQSa

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.