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Sulfur Dioxide (1971) Designated Area/State Information

Data is current as of July 31, 2019

Display:       Nonattainment and Maintenance Areas       Nonattainment Areas       Maintenance Areas
Area Name  State  Current Status  class sort Current
Designation
or at
Redesignation
 
No.
Counties
 
2010
Population
 
EPA
Region
 
Click underlined column heading to change report order.
click area name for state/county list
 
Total
Areas

Total
Counties
Total
Population
(2010)
 
Nonattainment 9 8 1,217,123  
Maintenance 45 48 9,024,497  
Nonattainment and Maintenance 54 55 10,241,620  
Addison Township (Gallia County), OH OH Maintenance C Secondary 1 2,197 05
Ajo (Pima County), AZ AZ Maintenance A Primary 1 8,823 09
Armstrong Co, PA PA Nonattainment A Primary 1 4,516 03
Benton Co, TN TN Maintenance B Primary, Secondary 1 16,489 04
Boyd County (part), KY KY Maintenance A Primary 1 49,543 04
Center Township (Morgan County), OH OH Maintenance C Secondary 1 15,053 05
Central Steptoe Valley (White Pine Co.), NV NV Maintenance A Primary 1 2,165 09
Colbert Co, AL AL Maintenance C Secondary 1 54,429 04
Conewango Township (Warren County), PA PA Maintenance A Primary 1 3,594 03
Cuyahoga Co, OH OH Maintenance A Primary 1 996,159 05
Douglas (Cochise County), AZ AZ Maintenance A Primary 1 17,495 09
East Helena Area (Lewis and Clark Co.), MT MT Nonattainment B Primary, Secondary 1 2,669 08
Franklin Township (Coshocton County), OH OH Maintenance A Primary 1 1,229 05
Grant Co, NM NM Maintenance A Primary 1 29,514 06
Green Bay, WI WI Maintenance A Primary 1 248,004 05
Groveland Township (Tazewell County), IL IL Maintenance A Primary 1 22,991 05
Hayden (Pinal County), AZ AZ Nonattainment A Primary 1 4,844 09
Hazelwood, PA PA Maintenance A Primary 1 387,190 03
Hollis Township, IL IL Maintenance B Primary, Secondary 1 2,032 05
Humphreys Co, TN TN Maintenance B Primary, Secondary 1 18,539 04
La Porte Co, IN IN Maintenance A Primary 1 111,471 05
Lake Co, OH OH Maintenance A Primary 1 229,760 05
Lake County, IN IN Maintenance A Primary 1 496,000 05
Lauderdale Co, AL AL Maintenance C Secondary 1 92,707 04
Laurel Area (Yellowstone County), MT MT Nonattainment A Primary 1 6,525 08
Lorain Co, OH OH Maintenance A Primary 1 301,074 05
Lucas Co, OH OH Maintenance A Primary 1 441,812 05
Madison, WI WI Maintenance A Primary 1 488,074 05
Marion County: Lawrence, Washington, and Warrant Townships, IN IN Maintenance A Primary 1 349,929 05
Miami (Gila County), AZ AZ Maintenance A Primary 1 1,514 09
Millinocket AQCR 109, ME ME Maintenance A Primary 1 5,526 01
Milwaukee, WI WI Maintenance A Primary 1 947,779 05
Minneapolis-St Paul, MN MN Maintenance A Primary 7 2,849,567 05
Morenci (Greenlee County), AZ AZ Maintenance A Primary 1 8,437 09
Muhlenberg Co, KY KY Maintenance C Secondary 1 31,499 04
Muscatine Co, IA IA Maintenance A Primary 1 24,633 07
New Manchester-Grant Mag. Dis (Hancock), WV WV Maintenance A Primary 1 8,706 03
Peoria, IL IL Maintenance A Primary 1 127,507 05
Piti, GU GU Nonattainment A Primary 1 1,000 09
Polk Co, TN TN Maintenance B Primary, Secondary 1 16,825 04
Rhinelander (Oneida County), WI WI Maintenance B Primary, Secondary 1 35,996 05
Rochester (Olmsted County), MN MN Maintenance A Primary 1 106,769 05
Rothschild,Rib Mtn,Weston (Marathon Co), WI WI Maintenance B Primary, Secondary 1 134,064 05
Salt Lake Co, UT UT Nonattainment B Primary, Secondary 1 1,029,655 08
San Manual (Pinal County), AZ AZ Maintenance A Primary 1 16,158 09
Steubenville & Mingo Juction, OH OH Maintenance A Primary 1 69,712 05
Tanguisson, GU GU Nonattainment A Primary 1 1,000 09
Tooele Co, UT UT Nonattainment B Primary, Secondary 1 58,218 08
Vigo Co, IN IN Maintenance A Primary 1 107,848 05
Warren Co, NJ NJ Nonattainment B Primary, Secondary 1 108,696 02
Warren Co, PA PA Maintenance B Primary, Secondary 1 15,781 03
Waterford Township (Washington County), OH OH Maintenance C Secondary 1 61,777 05
Wayne Co, IN IN Maintenance A Primary 1 52,325 05
Weirton, WV WV Maintenance B Primary, Secondary 1 15,801 03

County subtotals and grand totals may not equal sum of the counties. Part counties are only counted one time within groupings. Multi-state areas are counted only once in area totals, and are counted in maintenance totals when all states in the area have been redesignated.

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