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Maintenance Sulfur Dioxide Areas
As of December 14, 2012Current and historical design value data can be found at http://www.epa.gov/airtrends/values.html
| Areas Listed Alphabetically | Classification | No. Counties NAA |
2010 Population |
EPA Region |
State |
|---|---|---|---|---|---|
| Addison Township (Gallia County), OH | Secondary | 1 | 2,197 | 5 | OH |
| Ajo (Pima County), AZ | Primary | 1 | 8,823 | 9 | AZ |
| Benton Co, TN | Primary, Secondary | 1 | 16,489 | 4 | TN |
| Boyd County (part), KY | Primary | 1 | 49,543 | 4 | KY |
| Center Township (Morgan County), OH | Secondary | 1 | 15,053 | 5 | OH |
| Central Steptoe Valley (White Pine Co.), NV | Primary | 1 | 2,165 | 9 | NV |
| Colbert Co, AL | Secondary | 1 | 54,429 | 4 | AL |
| Conewango Township (Warren County), PA | Primary | 1 | 3,594 | 3 | PA |
| Cuyahoga Co, OH | Primary | 1 | 996,159 | 5 | OH |
| Douglas (Cochise County), AZ | Primary | 1 | 17,495 | 9 | AZ |
| Franklin Township (Coshocton County), OH | Primary | 1 | 1,229 | 5 | OH |
| Grant Co, NM | Primary | 1 | 29,514 | 6 | NM |
| Green Bay, WI | Primary | 1 | 248,004 | 5 | WI |
| Groveland Township (Tazewell County), IL | Primary | 1 | 22,991 | 5 | IL |
| Hazelwood, PA | Primary | 1 | 387,190 | 3 | PA |
| Hollis Township, IL | Primary, Secondary | 1 | 2,032 | 5 | IL |
| Humphreys Co, TN | Primary, Secondary | 1 | 18,539 | 4 | TN |
| La Porte Co, IN | Primary | 1 | 111,471 | 5 | IN |
| Lake Co, OH | Primary | 1 | 229,760 | 5 | OH |
| Lake County, IN | Primary | 1 | 496,000 | 5 | IN |
| Lauderdale Co, AL | Secondary | 1 | 92,707 | 4 | AL |
| Lorain Co, OH | Primary | 1 | 301,074 | 5 | OH |
| Lucas Co, OH | Primary | 1 | 441,812 | 5 | OH |
| Madison, WI | Primary | 1 | 488,074 | 5 | WI |
| Marion County:Lawrence,Washington,Warrant Townships, IN | Primary | 1 | 349,929 | 5 | IN |
| Miami (Gila County), AZ | Primary | 1 | 1,514 | 9 | AZ |
| Millinocket AQCR 109, ME | Primary | 1 | 5,526 | 1 | ME |
| Milwaukee, WI | Primary | 1 | 947,779 | 5 | WI |
| Minneapolis-St Paul, MN | Primary | 7 | 2,849,567 | 5 | MN |
| Morenci (Greenlee County), AZ | Primary | 1 | 8,437 | 9 | AZ |
| Muhlenberg Co, KY | Secondary | 1 | 31,499 | 4 | KY |
| Muscatine Co, IA | Primary | 1 | 24,633 | 7 | IA |
| New Manchester-Grant Mag. Dis (Hancock), WV | Primary | 1 | 8,706 | 3 | WV |
| Peoria, IL | Primary | 1 | 127,507 | 5 | IL |
| Polk Co, TN | Primary, Secondary | 1 | 16,825 | 4 | TN |
| Rhinelander (Oneida County), WI | Primary, Secondary | 1 | 35,996 | 5 | WI |
| Rochester (Olmsted County), MN | Primary | 1 | 106,769 | 5 | MN |
| Rothschild,Rib Mtn,Weston (Marathon Co), WI | Primary, Secondary | 1 | 134,064 | 5 | WI |
| San Manual (Pinal County), AZ | Primary | 1 | 16,158 | 9 | AZ |
| Steubenville & Mingo Juction, OH | Primary | 1 | 69,712 | 5 | OH |
| Vigo Co, IN | Primary | 1 | 107,848 | 5 | IN |
| Warren Co, PA | Primary, Secondary | 1 | 15,781 | 3 | PA |
| Waterford Township (Washington County), OH | Secondary | 1 | 61,777 | 5 | OH |
| Wayne Co, IN | Primary | 1 | 52,325 | 5 | IN |
| Weirton, WV | Primary, Secondary | 1 | 15,801 | 3 | WV |
| 45 Total Areas | 48 | 9,024,497 | |||
The county total is adjusted to count a single county only once (in the case where part of a county may be in multiple maintenance areas). Any multi-state areas are counted in the nonattainment report until all state areas have been redesignated.
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