40 CFR § 81.335
North Dakota
June 9, 2020
North Dakota—1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
Open Table
| Designated area | Does not meet primary standards | Does not meet secondary standards | Cannot be classified | Better than national standards |
|---|---|---|---|---|
| Metropolitan Fargo-Moorhead (Minn), AQCR 130 | X | |||
| Rest of State, AQCR 172 | X |
North Dakota—2010 Sulfur Dioxide NAAQS
[Primary]
Open Table
| Designated area1 | Designation | |
|---|---|---|
| Date2 | Type | |
| McLean County/Eastern Mercer County, ND | 9/12/16 | Attainment/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, ND | 9/12/16 | Attainment/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:3 | 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 | ||
1Includes 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.
2This date is April 9, 2018, unless otherwise noted.
3Williams County will be designated by December 31, 2020.
North Dakota—Carbon Monoxide
Open Table
| Designated Area | Designation | Classification | ||
|---|---|---|---|---|
| Date1 | Type | Date1 | Type | |
| AQCR 130 Metropolitan Fargo-Moorhead Intrastate | ||||
| Cass County | Unclassifiable/Attainment | |||
| Rest of State | Unclassifiable/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 | ||||
1This date is November 15, 1990, unless otherwise noted.
North Dakota—Ozone (1-Hour Standard)2
Open Table
| Designated area | Designation | Classification | ||
|---|---|---|---|---|
| Date1 | Type | Date1 | Type | |
| AQCR 130 Metropolitan Fargo-Moorhead Interstate. | ||||
| Cass County | Unclassifiable/Attainment | |||
| Rest of State, AQCR 172 | Unclassifiable/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 | ||||
1This date is October 18, 2000, unless otherwise noted.
2The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in North Dakota.
North Dakota—PM-10
Open Table
| Designated Area | Designation | Classification | ||
|---|---|---|---|---|
| Date | Type | Date | Type | |
| Metropolitan Fargo-Moorhead (Minn.), AQCR 130 | 11/15/90 | Unclassifiable | ||
| Rest of State, AQCR 1721 | 11/15/90 | Unclassifiable | ||
1Denotes a single area designation for PSD baseline area purposes.
North Dakota—1997 Annual PM2.5 NAAQS
[Primary and Secondary]
Open Table
| Designated area | Designationa | Classification | ||
|---|---|---|---|---|
| Date1 | Type | Date | Type | |
| AQCR 130 Metropolitan Fargo-Moorhead Interstate: | ||||
| Cass County | Unclassifiable/Attainment. | |||
| Rest of State, AQCR 172: | ||||
| Adams County | Unclassifiable/Attainment. | |||
| Barnes County | Unclassifiable/Attainment. | |||
| Benson County | Unclassifiable/Attainment. | |||
| Billings County | Unclassifiable/Attainment. | |||
| Bottineau County | Unclassifiable/Attainment. | |||
| Bowman County | Unclassifiable/Attainment. | |||
| Burke County | Unclassifiable/Attainment. | |||
| Burleigh County | Unclassifiable/Attainment. | |||
| Cavalier County | Unclassifiable/Attainment. | |||
| Dickey County | Unclassifiable/Attainment. | |||
| Divide County | Unclassifiable/Attainment. | |||
| Dunn County | Unclassifiable/Attainment. | |||
| Eddy County | Unclassifiable/Attainment. | |||
| Emmons County | Unclassifiable/Attainment. | |||
| Foster County | Unclassifiable/Attainment. | |||
| Golden Valley County | Unclassifiable/Attainment. | |||
| Grand Forks County | Unclassifiable/Attainment. | |||
| Grant County | Unclassifiable/Attainment. | |||
| Griggs County | Unclassifiable/Attainment. | |||
| Hettinger County | Unclassifiable/Attainment. | |||
| Kidder County | Unclassifiable/Attainment. | |||
| LaMoure County | Unclassifiable/Attainment. | |||
| Logan County | Unclassifiable/Attainment. | |||
| McHenry County | Unclassifiable/Attainment. | |||
| McIntosh County | Unclassifiable/Attainment. | |||
| McKenzie County | Unclassifiable/Attainment. | |||
| McLean County | Unclassifiable/Attainment. | |||
| Mercer County | Unclassifiable/Attainment. | |||
| Morton County | Unclassifiable/Attainment. | |||
| Mountrail County | Unclassifiable/Attainment. | |||
| Nelson County | Unclassifiable/Attainment. | |||
| Oliver County | Unclassifiable/Attainment. | |||
| Pembina County | Unclassifiable/Attainment. | |||
| Pierce County | Unclassifiable/Attainment. | |||
| Ramsey County | Unclassifiable/Attainment. | |||
| Ransom County | Unclassifiable/Attainment. | |||
| Renville County | Unclassifiable/Attainment. | |||
| Richland County | Unclassifiable/Attainment. | |||
| Rolette County | Unclassifiable/Attainment. | |||
| Sargent County | Unclassifiable/Attainment. | |||
| Sheridan County | Unclassifiable/Attainment. | |||
| Sioux County | Unclassifiable/Attainment. | |||
| Slope County | Unclassifiable/Attainment. | |||
| Stark County | Unclassifiable/Attainment. | |||
| Steele County | Unclassifiable/Attainment. | |||
| Stutsman County | Unclassifiable/Attainment. | |||
| Towner County | Unclassifiable/Attainment. | |||
| Traill County | Unclassifiable/Attainment. | |||
| Walsh County | Unclassifiable/Attainment. | |||
| Ward County | Unclassifiable/Attainment. | |||
| Wells County | Unclassifiable/Attainment. | |||
| Williams County | Unclassifiable/Attainment. | |||
aIncludes Indian Country located in each county or area, except as otherwise specified.
1This date is 90 days after January 5, 2005, unless otherwise noted.
North Dakota—2012 Annual PM2.5 NAAQS
[Primary]
Open Table
| Designated area1 | Designation | Classification | ||
|---|---|---|---|---|
| Date2 | Type | Date2 | Type | |
| AQCR 130 Metropolitan Fargo-Moorhead Interstate: | ||||
| Cass County | Unclassifiable/Attainment | |||
| Rest of State, AQCR 172: | ||||
| Adams County | Unclassifiable/Attainment | |||
| Barnes County | Unclassifiable/Attainment | |||
| Benson County | Unclassifiable/Attainment | |||
| Billings County | Unclassifiable/Attainment | |||
| Bottineau County | Unclassifiable/Attainment | |||
| Bowman County | Unclassifiable/Attainment | |||
| Burke County | Unclassifiable/Attainment | |||
| Burleigh County | Unclassifiable/Attainment | |||
| Cavalier County | Unclassifiable/Attainment | |||
| Dickey County | Unclassifiable/Attainment | |||
| Divide County | Unclassifiable/Attainment | |||
| Dunn County | Unclassifiable/Attainment | |||
| Eddy County | Unclassifiable/Attainment | |||
| Emmons County | Unclassifiable/Attainment | |||
| Foster County | Unclassifiable/Attainment | |||
| Golden Valley County | Unclassifiable/Attainment | |||
| Grand Forks County | Unclassifiable/Attainment | |||
| Grant County | Unclassifiable/Attainment | |||
| Griggs County | Unclassifiable/Attainment | |||
| Hettinger County | Unclassifiable/Attainment | |||
| Kidder County | Unclassifiable/Attainment | |||
| LaMoure County | Unclassifiable/Attainment | |||
| Logan County | Unclassifiable/Attainment | |||
| McHenry County | Unclassifiable/Attainment | |||
| McIntosh County | Unclassifiable/Attainment | |||
| McKenzie County | Unclassifiable/Attainment | |||
| McLean County | Unclassifiable/Attainment | |||
| Mercer County | Unclassifiable/Attainment | |||
| Morton County | Unclassifiable/Attainment | |||
| Mountrail County | Unclassifiable/Attainment | |||
| Nelson County | Unclassifiable/Attainment | |||
| Oliver County | Unclassifiable/Attainment | |||
| Pembina County | Unclassifiable/Attainment | |||
| Pierce County | Unclassifiable/Attainment | |||
| Ramsey County | Unclassifiable/Attainment | |||
| Ransom County | Unclassifiable/Attainment | |||
| Renville County | Unclassifiable/Attainment | |||
| Richland County | Unclassifiable/Attainment | |||
| Rolette County | Unclassifiable/Attainment | |||
| Sargent County | Unclassifiable/Attainment | |||
| Sheridan County | Unclassifiable/Attainment | |||
| Sioux County | Unclassifiable/Attainment | |||
| Slope County | Unclassifiable/Attainment | |||
| Stark County | Unclassifiable/Attainment | |||
| Steele County | Unclassifiable/Attainment | |||
| Stutsman County | Unclassifiable/Attainment | |||
| Towner County | Unclassifiable/Attainment | |||
| Traill County | Unclassifiable/Attainment | |||
| Walsh County | Unclassifiable/Attainment | |||
| Ward County | Unclassifiable/Attainment | |||
| Wells County | Unclassifiable/Attainment | |||
| Williams County | Unclassifiable/Attainment | |||
1Includes areas of Indian country located in each county or area, except as otherwise specified.
2This date is April 15, 2015, unless otherwise noted.
North Dakota—1997 24-Hour PM2.5 NAAQS
[Primary and Secondary]
Open Table
| Designated area | Designationa | Classification | ||
|---|---|---|---|---|
| Date1 | Type | Date | Type | |
| AQCR 130 Metropolitan Fargo-Moorhead Interstate: | ||||
| Cass County | Unclassifiable/Attainment. | |||
| Rest of State, AQCR 172: | ||||
| Adams County | Unclassifiable/Attainment. | |||
| Barnes County | Unclassifiable/Attainment. | |||
| Benson County | Unclassifiable/Attainment. | |||
| Billings County | Unclassifiable/Attainment. | |||
| Bottineau County | Unclassifiable/Attainment. | |||
| Bowman County | Unclassifiable/Attainment. | |||
| Burke County | Unclassifiable/Attainment. | |||
| Burleigh County | Unclassifiable/Attainment. | |||
| Cavalier County | Unclassifiable/Attainment. | |||
| Dickey County | Unclassifiable/Attainment. | |||
| Divide County | Unclassifiable/Attainment. | |||
| Dunn County | Unclassifiable/Attainment. | |||
| Eddy County | Unclassifiable/Attainment. | |||
| Emmons County | Unclassifiable/Attainment. | |||
| Foster County | Unclassifiable/Attainment. | |||
| Golden Valley County | Unclassifiable/Attainment. | |||
| Grand Forks County | Unclassifiable/Attainment. | |||
| Grant County | Unclassifiable/Attainment. | |||
| Griggs County | Unclassifiable/Attainment. | |||
| Hettinger County | Unclassifiable/Attainment. | |||
| Kidder County | Unclassifiable/Attainment. | |||
| LaMoure County | Unclassifiable/Attainment. | |||
| Logan County | Unclassifiable/Attainment. | |||
| McHenry County | Unclassifiable/Attainment. | |||
| McIntosh County | Unclassifiable/Attainment. | |||
| McKenzie County | Unclassifiable/Attainment. | |||
| McLean County | Unclassifiable/Attainment. | |||
| Mercer County | Unclassifiable/Attainment. | |||
| Morton County | Unclassifiable/Attainment. | |||
| Mountrail County | Unclassifiable/Attainment. | |||
| Nelson County | Unclassifiable/Attainment. | |||
| Oliver County | Unclassifiable/Attainment. | |||
| Pembina County | Unclassifiable/Attainment. | |||
| Pierce County | Unclassifiable/Attainment. | |||
| Ramsey County | Unclassifiable/Attainment. | |||
| Ransom County | Unclassifiable/Attainment. | |||
| Renville County | Unclassifiable/Attainment. | |||
| Richland County | Unclassifiable/Attainment. | |||
| Rolette County | Unclassifiable/Attainment. | |||
| Sargent County | Unclassifiable/Attainment. | |||
| Sheridan County | Unclassifiable/Attainment. | |||
| Sioux County | Unclassifiable/Attainment. | |||
| Slope County | Unclassifiable/Attainment. | |||
| Stark County | Unclassifiable/Attainment. | |||
| Steele County | Unclassifiable/Attainment. | |||
| Stutsman County | Unclassifiable/Attainment. | |||
| Towner County | Unclassifiable/Attainment. | |||
| Traill County | Unclassifiable/Attainment. | |||
| Walsh County | Unclassifiable/Attainment. | |||
| Ward County | Unclassifiable/Attainment. | |||
| Wells County | Unclassifiable/Attainment. | |||
| Williams County | Unclassifiable/Attainment. | |||
aIncludes Indian Country located in each county or area, except as otherwise specified.
1This date is 90 days after January 5, 2005, unless otherwise noted.
North Dakota—2006 24-Hour PM2.5 NAAQS
[Primary and Secondary]
Open Table
| Designated area | Designationa | Classification | ||
|---|---|---|---|---|
| Date1 | Type | Date | Type | |
| AQCR 130 Metropolitan Fargo-Moorhead Interstate: | ||||
| Cass County | Unclassifiable/Attainment. | |||
| Rest of State, AQCR 172: | ||||
| Adams County | Unclassifiable/Attainment. | |||
| Barnes County | Unclassifiable/Attainment. | |||
| Benson County | Unclassifiable/Attainment. | |||
| Billings County | Unclassifiable/Attainment. | |||
| Bottineau County | Unclassifiable/Attainment. | |||
| Bowman County | Unclassifiable/Attainment. | |||
| Burke County | Unclassifiable/Attainment. | |||
| Burleigh County | Unclassifiable/Attainment. | |||
| Cavalier County | Unclassifiable/Attainment. | |||
| Dickey County | Unclassifiable/Attainment. | |||
| Divide County | Unclassifiable/Attainment. | |||
| Dunn County | Unclassifiable/Attainment. | |||
| Eddy County | Unclassifiable/Attainment. | |||
| Emmons County | Unclassifiable/Attainment. | |||
| Foster County | Unclassifiable/Attainment. | |||
| Golden Valley County | Unclassifiable/Attainment. | |||
| Grand Forks County | Unclassifiable/Attainment. | |||
| Grant County | Unclassifiable/Attainment. | |||
| Griggs County | Unclassifiable/Attainment. | |||
| Hettinger County | Unclassifiable/Attainment. | |||
| Kidder County | Unclassifiable/Attainment. | |||
| LaMoure County | Unclassifiable/Attainment. | |||
| Logan County | Unclassifiable/Attainment. | |||
| McHenry County | Unclassifiable/Attainment. | |||
| McIntosh County | Unclassifiable/Attainment. | |||
| McKenzie County | Unclassifiable/Attainment. | |||
| McLean County | Unclassifiable/Attainment. | |||
| Mercer County | Unclassifiable/Attainment. | |||
| Morton County | Unclassifiable/Attainment. | |||
| Mountrail County | Unclassifiable/Attainment. | |||
| Nelson County | Unclassifiable/Attainment. | |||
| Oliver County | Unclassifiable/Attainment. | |||
| Pembina County | Unclassifiable/Attainment. | |||
| Pierce County | Unclassifiable/Attainment. | |||
| Ramsey County | Unclassifiable/Attainment. | |||
| Ransom County | Unclassifiable/Attainment. | |||
| Renville County | Unclassifiable/Attainment. | |||
| Richland County | Unclassifiable/Attainment. | |||
| Rolette County | Unclassifiable/Attainment. | |||
| Sargent County | Unclassifiable/Attainment. | |||
| Sheridan County | Unclassifiable/Attainment. | |||
| Sioux County | Unclassifiable/Attainment. | |||
| Slope County | Unclassifiable/Attainment. | |||
| Stark County | Unclassifiable/Attainment. | |||
| Steele County | Unclassifiable/Attainment. | |||
| Stutsman County | Unclassifiable/Attainment. | |||
| Towner County | Unclassifiable/Attainment. | |||
| Traill County | Unclassifiable/Attainment. | |||
| Walsh County | Unclassifiable/Attainment. | |||
| Ward County | Unclassifiable/Attainment. | |||
| Wells County | Unclassifiable/Attainment. | |||
| Williams County | Unclassifiable/Attainment. | |||
aIncludes Indian Country located in each county or area, except as otherwise specified.
1This date is 30 days after November 13, 2009, unless otherwise noted.
North Dakota—NO2 (1971 Annual Standard)
Open Table
| Designated area | Does not meet primary standards | Cannot be classified or better than national standards |
|---|---|---|
| Metropolitan Fargo-Moorhead (Minn), AQCR 130 | X | |
| Rest of State, AQCR 172 | X |
North Dakota—NO2 (2010 1-Hour Standard)
Open Table
| Designated area | Designationa | |
|---|---|---|
| Date1 | Type | |
| State of North Dakota | Unclassifiable/Attainment. | |
aIncludes Indian Country located in each county or area, except as otherwise specified.
1This date is 90 days after October 31, 2011, unless otherwise noted.
North Dakota—1997 8-Hour Ozone NAAQS
[Primary and Secondary]
Open Table
| Designated area | Designationa | Category/classification | ||
|---|---|---|---|---|
| Date1 | Type | Date1 | Type | |
| AQCR 130 Metropolitan Fargo-Moorhead Interstate: | ||||
| Cass County | Unclassifiable/Attainment | |||
| Rest of State, AQCR 172 | Unclassifiable/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 | ||||
| LaMoure 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 | ||||
aIncludes Indian Country located in each county or area, except as otherwise specified.
1This date is June 15, 2004, unless otherwise noted.
North Dakota—2008 8-Hour Ozone NAAQS
[Primary and Secondary]
Open Table
| Designated area | Designation | Classification | ||
|---|---|---|---|---|
| Date1 | Type | Date1 | Type | |
| Statewide and Areas of Indian Country | Unclassifiable/Attainment | |||
1This date is July 20, 2012, unless otherwise noted.
North Dakota—2015 8-Hour Ozone NAAQS
[Primary and Secondary]
Open Table
| Designated area1 | Designation | Classification | ||
|---|---|---|---|---|
| Date2 | Type | Date | Type | |
| Statewide | 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 | ||||
| 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 | ||||
1Includes 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.
2This date is January 16, 2018, unless otherwise noted.
North Dakota—2008 Lead NAAQS
Open Table
| Designated area | Designation for the 2008 NAAQSa | |
|---|---|---|
| Date1 | Type | |
| Whole State | Unclassifiable/Attainment. | |
aIncludes Indian Country located in each county or area, except as otherwise specified.
1December 31, 2011 unless otherwise noted.
[55 FR 23933, June 13, 1990]
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