North Dakota.

§ 81.335 North Dakota.

North Dakota—1971 Sulfur Dioxide NAAQS

[Primary and Secondary]

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Metropolitan Fargo-Moorhead (Minn), AQCR 130X
Rest of State, AQCR 172X

North Dakota—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1Designation
Date 2Type
McLean County/Eastern Mercer County, ND9/12/16Attainment/Unclassifiable.
McLean County
Mercer County (part)
Area east of CR-37/ND 31, east/north of ND 200 ALT, west of the eastern border of Mercer County/Missouri River, south of the Knife River National Historic Site.
Central Mercer County, ND9/12/16Attainment/Unclassifiable.
Mercer County (part)
Area west of ND 49/61st Ave SW, north of Co. Rd 15/17th St. SW, east of Co. Rd 13, south and east of the town Zap, south of 8th St. SW/ND 200
Rest of State:Attainment/Unclassifiable.
Adams County
Barnes County
Benson County
Billings County
Bottineau County
Bowman County
Burke County
Burleigh County
Cass County
Cavalier County
Dickey County
Divide County
Dunn County
Eddy County
Emmons County
Foster County
Golden Valley County
Grand Forks County
Grant County
Griggs County
Hettinger County
Kidder County
LaMoure County
Logan County
McHenry County
McIntosh County
McKenzie County
Mercer County (part) (remainder)
Morton County
Mountrail County
Nelson County
Oliver County
Pembina County
Pierce County
Ramsey County
Ransom County
Renville County
Richland County
Rolette County
Sargent County
Sheridan County
Sioux County
Slope County
Stark County
Steele County
Stutsman County
Towner County
Traill County
Walsh County
Ward County
Wells County
Williams County4/30/2021

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.

North Dakota—Carbon Monoxide

Designated Area Designation Classification
Date 1Type Date 1Type
AQCR 130 Metropolitan Fargo-Moorhead Intrastate
Cass CountyUnclassifiable/Attainment
Rest of StateUnclassifiable/Attainment
Adams County
Barnes County
Benson County
Billings County
Bottineau County
Bowman County
Burke County
Burleigh County
Cavalier County
Dickey County
Divide County
Dunn County
Eddy County
Emmons County
Foster County
Golden Valley County
Grand Forks County
Grant County
Griggs County
Hettinger County
Kidder County
La Moure County
Logan County
McHenry County
McIntosh County
McKenzie County
McLean County
Mercer County
Morton County
Mountrail County
Nelson County
Oliver County
Pembina County
Pierce County
Ramsey County
Ransom County
Renville County
Richland County
Rolette County
Sargent County
Sheridan County
Sioux County
Slope County
Stark County
Steele County
Stutsman County
Towner County
Traill County
Walsh County
Ward County
Wells County
Williams County

1 This date is November 15, 1990, unless otherwise noted.

North Dakota—Ozone (1-Hour Standard) 2

Designated area Designation Classification
Date 1Type Date 1Type
AQCR 130 Metropolitan Fargo-Moorhead Interstate.
Cass CountyUnclassifiable/Attainment
Rest of State, AQCR 172Unclassifiable/Attainment
Adams County
Barnes County
Benson County
Billings County
Bottineau County
Bowman County
Burke County
Burleigh County
Cavalier County
Dickey County
Divide County
Dunn County
Eddy County
Emmons County
Foster County
Golden Valley County
Grand Forks County
Grant County
Griggs County
Hettinger County
Kidder County
La Moure County
Logan County
McHenry County
McIntosh County
McKenzie County
McLean County
Mercer County
Morton County
Mountrail County
Nelson County
Oliver County
Pembina County
Pierce County
Ramsey County
Ransom County
Renville County
Richland County
Rolette County
Sargent County
Sheridan County
Sioux County
Slope County
Stark County
Steele County
Stutsman County
Towner County
Traill County
Walsh County
Ward County
Wells County
Williams County
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