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Maintenance Sulfur Dioxide Areas
As of August 30, 2011
| Areas Listed Alphabetically | Classification | No. Counties NAA |
2000 Pop. | EPA Region |
State |
|---|---|---|---|---|---|
| Addison Township (Gallia County), OH | Secondary | 1 | 2,366 | 5 | OH |
| Ajo (Pima County), AZ | Primary | 1 | 7,594 | 9 | AZ |
| Benton Co, TN | Primary, Secondary | 1 | 16,537 | 4 | TN |
| Boyd County (part), KY | Primary | 1 | 49,752 | 4 | KY |
| Center Township (Morgan County), OH | Secondary | 1 | 14,897 | 5 | OH |
| Central Steptoe Valley (White Pine Co.), NV | Primary | 1 | 1,982 | 9 | NV |
| Colbert Co, AL | Secondary | 1 | 54,984 | 4 | AL |
| Conewango Township (Warren County), PA | Primary | 1 | 3,915 | 3 | PA |
| Cuyahoga Co, OH | Primary | 1 | 1,095,303 | 5 | OH |
| Douglas (Cochise County), AZ | Primary | 1 | 15,685 | 9 | AZ |
| Franklin Township (Coshocton County), OH | Primary | 1 | 1,286 | 5 | OH |
| Grant Co, NM | Primary | 1 | 31,002 | 6 | NM |
| Green Bay, WI | Primary | 1 | 226,778 | 5 | WI |
| Groveland Township (Tazewell County), IL | Primary | 1 | 21,817 | 5 | IL |
| Hazelwood, PA | Primary | 1 | 405,647 | 3 | PA |
| Hollis Township, IL | Primary, Secondary | 1 | 1,999 | 5 | IL |
| Humphreys Co, TN | Primary, Secondary | 1 | 17,929 | 4 | TN |
| La Porte Co, IN | Primary | 1 | 110,106 | 5 | IN |
| Lake Co, OH | Primary | 1 | 227,238 | 5 | OH |
| Lake County, IN | Primary | 1 | 484,564 | 5 | IN |
| Lauderdale Co, AL | Secondary | 1 | 87,966 | 4 | AL |
| Lorain Co, OH | Primary | 1 | 284,408 | 5 | OH |
| Lucas Co, OH | Primary | 1 | 455,054 | 5 | OH |
| Madison, WI | Primary | 1 | 426,526 | 5 | WI |
| Marion County:Lawrence,Washington,Warrant Townships,IN | Primary | 1 | 338,829 | 5 | IN |
| Miami (Gila County), AZ | Primary | 1 | 1,450 | 9 | AZ |
| Millinocket AQCR 109, ME | Primary | 1 | 5,203 | 1 | ME |
| Milwaukee, WI | Primary | 1 | 940,164 | 5 | WI |
| Minneapolis-St Paul, MN | Primary | 7 | 2,642,056 | 5 | MN |
| Morenci (Greenlee County), AZ | Primary | 1 | 8,547 | 9 | AZ |
| Muhlenberg Co, KY | Secondary | 1 | 31,839 | 4 | KY |
| Muscatine Co, IA | Primary | 1 | 24,044 | 7 | IA |
| New Manchester-Grant Mag. Dis (Hancock), WV | Primary | 1 | 9,271 | 3 | WV |
| Peoria, IL | Primary | 1 | 125,413 | 5 | IL |
| Polk Co, TN | Primary, Secondary | 1 | 16,050 | 4 | TN |
| Rhinelander (Oneida County), WI | Primary, Secondary | 1 | 36,776 | 5 | WI |
| Rochester (Olmsted County), MN | Primary | 1 | 85,806 | 5 | MN |
| Rothschild,Rib Mtn,Weston (Marathon Co), WI | Primary, Secondary | 1 | 125,834 | 5 | WI |
| San Manual (Pinal County), AZ | Primary | 1 | 7,728 | 9 | AZ |
| Steubenville & Mingo Juction, OH | Primary | 1 | 73,894 | 5 | OH |
| Vigo Co, IN | Primary | 1 | 105,848 | 5 | IN |
| Warren Co, PA | Primary, Secondary | 1 | 16,554 | 3 | PA |
| Waterford Township (Washington County), OH | Secondary | 1 | 63,251 | 5 | OH |
| Wayne Co, IN | Primary | 1 | 54,732 | 5 | IN |
| Weirton, WV | Primary, Secondary | 1 | 16,826 | 3 | WV |
| 45 Total Areas | 48 | 8,775,450 | |||
|
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. |