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Sulfur Dioxide (1971) Designated Area/State Information
Sulfur Dioxide (1971) Designated Area/State Information
Data is current as of January 31, 2023| Area Name | State | Current Status | 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 | 8 | 7 | 1,214,454 | |||
| Maintenance | 46 | 49 | 9,027,166 | |||
| Nonattainment and Maintenance | 54 | 55 | 10,241,620 | |||
| Ajo (Pima County), AZ | AZ | Maintenance | Primary | 1 | 8,823 | 09 |
| Allegheny County Air Basin: Hazelwood monitor, PA | PA | Maintenance | Primary | 1 | 387,190 | 03 |
| Armstrong County: Madison, Mahoning, Boggs, Washington, Pine, PA | PA | Nonattainment | Primary | 1 | 4,516 | 03 |
| Benton County; (part) TVA Johnsonville, TN | TN | Maintenance | Primary, Secondary | 1 | 16,489 | 04 |
| Boyd County (part), KY | KY | Maintenance | Primary | 1 | 49,543 | 04 |
| Brown County: Green Bay, WI | WI | Maintenance | Primary | 1 | 248,004 | 05 |
| Central Steptoe Valley, NV | NV | Maintenance | Primary | 1 | 2,165 | 09 |
| Colbert County (part); TVA Colbert Plant, AL | AL | Maintenance | Secondary | 1 | 54,429 | 04 |
| Coshocton County; Franklin Township, OH | OH | Maintenance | Primary | 1 | 1,229 | 05 |
| Cuyahoga County, OH | OH | Maintenance | Primary | 1 | 996,159 | 05 |
| Dane County: Madison sub-city area, WI | WI | Maintenance | Primary | 1 | 488,074 | 05 |
| Douglas (Cochise County), AZ | AZ | Maintenance | Primary | 1 | 17,495 | 09 |
| East Helena Area, MT | MT | Maintenance | Primary, Secondary | 1 | 2,669 | 08 |
| Gallia County; Addison Township, OH | OH | Maintenance | Secondary | 1 | 2,197 | 05 |
| Grant County, NM | NM | Maintenance | Primary | 1 | 29,514 | 06 |
| Hancock County (part): Weirton, WV | WV | Maintenance | Primary, Secondary | 1 | 15,801 | 03 |
| Hayden (Pinal County), AZ | AZ | Nonattainment | Primary | 1 | 4,844 | 09 |
| Humphreys County; (part) TVA Johnsonville, TN | TN | Maintenance | Primary, Secondary | 1 | 18,539 | 04 |
| Jefferson County; (part) Steubenville & Mingo Junction, OH | OH | Maintenance | Primary | 1 | 69,712 | 05 |
| La Porte County, IN | IN | Maintenance | Primary | 1 | 111,471 | 05 |
| Lake County, IN | IN | Maintenance | Primary | 1 | 496,000 | 05 |
| Lake County; (part) Eastlake, Timberlake, Lakeline, Willoughby, Ment | OH | Maintenance | Primary | 1 | 229,760 | 05 |
| Lauderdale County (part); TVA Colbert Plant, AL | AL | Maintenance | Secondary | 1 | 92,707 | 04 |
| Laurel Area (Yellowstone County), MT | MT | Nonattainment | Primary | 1 | 6,525 | 08 |
| Lorain County, OH | OH | Maintenance | Primary | 1 | 301,074 | 05 |
| Lucas County, OH | OH | Maintenance | Primary | 1 | 441,812 | 05 |
| Marathon County: Rothschild Sub-city area, Rib Mountain, Weston, WI | WI | Maintenance | Primary, Secondary | 1 | 134,064 | 05 |
| Marion County: Lawrence, Washington, and Warrant Townships, IN | IN | Maintenance | Primary | 1 | 349,929 | 05 |
| Miami (Gila County), AZ | AZ | Maintenance | Primary | 1 | 1,514 | 09 |
| Millinocket AQCR 109, ME | ME | Maintenance | Primary | 1 | 5,526 | 01 |
| Milwaukee, WI | WI | Maintenance | Primary | 1 | 947,779 | 05 |
| Minneapolis-St. Paul, MN | MN | Maintenance | Primary | 7 | 2,849,567 | 05 |
| Morenci (Greenlee County), AZ | AZ | Maintenance | Primary | 1 | 8,437 | 09 |
| Morgan County: Center Township, OH | OH | Maintenance | Secondary | 1 | 15,053 | 05 |
| Muhlenberg County, KY | KY | Maintenance | Secondary | 1 | 31,499 | 04 |
| Muscatine County, IA | IA | Maintenance | Primary | 1 | 24,633 | 07 |
| New Manchester-Grant magisterial district in Hancock County, WV | WV | Maintenance | Primary | 1 | 8,706 | 03 |
| Olmsted County; City of Rochester, MN | MN | Maintenance | Primary | 1 | 106,769 | 05 |
| Oneida County: Rhinelander Sub-city area, WI | WI | Maintenance | Primary, Secondary | 1 | 35,996 | 05 |
| Peoria County: Hollis twp, IL | IL | Maintenance | Primary, Secondary | 1 | 2,032 | 05 |
| Peoria, IL | IL | Maintenance | Primary | 1 | 127,507 | 05 |
| Piti, GU | GU | Nonattainment | Primary | 1 | 1,000 | 09 |
| Polk County, TN | TN | Maintenance | Primary, Secondary | 1 | 16,825 | 04 |
| Salt Lake County, UT | UT | Nonattainment | Primary, Secondary | 1 | 1,029,655 | 08 |
| San Manual (Pinal County), AZ | AZ | Maintenance | Primary | 1 | 16,158 | 09 |
| Tanguisson, GU | GU | Nonattainment | Primary | 1 | 1,000 | 09 |
| Tazewell County: Groveland twp, IL | IL | Maintenance | Primary | 1 | 22,991 | 05 |
| Tooele County, UT | UT | Nonattainment | Primary, Secondary | 1 | 58,218 | 08 |
| Vigo County, IN | IN | Maintenance | Primary | 1 | 107,848 | 05 |
| Warren County, NJ | NJ | Nonattainment | Primary, Secondary | 1 | 108,696 | 02 |
| Warren County: Conewago Twp, PA | PA | Maintenance | Primary | 1 | 3,594 | 03 |
| Warren County: Warren Boro, Pleasant Twp, Glade Twp, PA | PA | Maintenance | Primary, Secondary | 1 | 15,781 | 03 |
| Washington County: Waterford Township, OH | OH | Maintenance | Secondary | 1 | 61,777 | 05 |
| Wayne County: Boston, Center, Franklin, Wayne & Webster Townships, I | IN | Maintenance | Primary | 1 | 52,325 | 05 |
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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