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8-Hour Ozone Maintenance State/Area/County Report

As of August 30, 2011

On June 8, 2007, the United States Court of Appeals vacated the Subpart 1 portion of the Phase 1 Rule (Court Order). The Subpart 1 areas in the Greenbook are listed as "Former Subpart 1" until reclassification of the areas is finalized. Proposed reclassifications were published on January 16, 2009

View Notes
Area Name     (Category/Classification)        (P) = Part County
ALABAMA  (Region IV)
   Birmingham, AL (Former Subpart 1)
Jefferson Co [m*]
Shelby Co [m*]
 
ARKANSAS  (Region VI)
   Memphis, TN-AR (Moderate)
Crittenden Co
 
GEORGIA  (Region IV)
   Macon, GA (Former Subpart 1)
Bibb Co [*]
Monroe Co (P) [*]
 
   Murray Co (Chattahoochee Nat Forest), GA (Former Subpart 1)
Murray Co (P)
 
INDIANA  (Region V)
   Chicago-Gary-Lake County, IL-IN (Indiana portion) (Moderate)
Lake Co [n*]
Porter Co [n*]
 
   Cincinnati-Hamilton, OH-KY-IN (Former Subpart 1)
Dearborn Co (P) [*]
Lawrenceburg Township
 
   Evansville, IN (Former Subpart 1)
Vanderburgh Co [m*]
Warrick Co [*]
 
   Fort Wayne, IN (Former Subpart 1)
Allen Co
 
   Greene Co, IN (Former Subpart 1)
Greene Co
 
   Indianapolis, IN (Former Subpart 1)
Boone Co
Hamilton Co [*]
Hancock Co
Hendricks Co [*]
Johnson Co [*]
Madison Co
Marion Co [m*]
Morgan Co [*]
Shelby Co
 
   Jackson Co, IN (Former Subpart 1)
Jackson Co
 
   La Porte, IN (Marginal)
La Porte Co
 
   Louisville, KY-IN (Former Subpart 1)
Clark Co [m*]
Floyd Co [m*]
 
   Muncie, IN (Former Subpart 1)
Delaware Co
 
   South Bend-Elkhart, IN (Former Subpart 1)
Elkhart Co [m*]
St Joseph Co [m*]
 
   Terre Haute, IN (Former Subpart 1)
Vigo Co
 
KENTUCKY  (Region IV)
   Cincinnati-Hamilton, OH-KY-IN (Former Subpart 1)
Boone Co [m*]
Campbell Co [m*]
Kenton Co [m*]
 
   Clarksville-Hopkinsville, TN-KY (Former Subpart 1)
Christian Co
 
   Huntington-Ashland, WV-KY (Former Subpart 1)
Boyd Co [m*]
 
   Louisville, KY-IN (Former Subpart 1)
Bullitt Co [m*]
Jefferson Co [m*]
Oldham Co [m*]
 
MAINE  (Region I)
   Hancock, Knox, Lincoln & Waldo Cos, ME (Former Subpart 1)
Hancock Co (P) [m*]
Knox Co (P) [n*]
Lincoln Co (P) [n*]
Waldo Co (P) [m*]
(includes only the following town):Islesboro
 
   Portland, ME (Marginal)
Androscoggin Co (P) [n*]
(includes only the following town): Durham
Cumberland Co (P) [n*]
Sagadahoc Co [n*]
York Co (P) [n*]
 
MARYLAND  (Region III)
   Kent and Queen Anne's Cos, MD (Marginal)
Kent Co [m*]
Queen Annes Co [m*]
 
MICHIGAN  (Region V)
   Allegan Co, MI (Former Subpart 1)
Allegan Co [m*]
 
   Benton Harbor, MI (Former Subpart 1)
Berrien Co
 
   Benzie Co, MI (Former Subpart 1)
Benzie Co
 
   Cass Co, MI (Marginal)
Cass Co
 
   Detroit-Ann Arbor, MI (Marginal)
Lenawee Co
Livingston Co [m*]
Macomb Co [m*]
Monroe Co [m*]
Oakland Co [m*]
St Clair Co [m*]
Washtenaw Co [m*]
Wayne Co [m*]
 
   Flint, MI (Former Subpart 1)
Genesee Co [m*]
Lapeer Co
 
   Grand Rapids, MI (Former Subpart 1)
Kent Co [m*]
Ottawa Co [m*]
 
   Huron Co, MI (Former Subpart 1)
Huron Co
 
   Kalamazoo-Battle Creek, MI (Former Subpart 1)
Calhoun Co
Kalamazoo Co
Van Buren Co
 
   Lansing-East Lansing, MI (Former Subpart 1)
Clinton Co
Eaton Co
Ingham Co
 
   Mason Co, MI (Former Subpart 1)
Mason Co
 
   Muskegon, MI (Marginal)
Muskegon Co [m*]
 
NORTH CAROLINA  (Region IV)
   Haywood and Swain Cos (Great Smoky NP), NC (Former Subpart 1)
Haywood Co (P)
Great Smoky Mountain National Park
Swain Co (P)
Great Smoky Mountain National Park
 
   Raleigh-Durham-Chapel Hill, NC (Former Subpart 1)
Chatham Co (P)
Baldwin Township, Center Township, New Hope Township, Williams Township
Durham Co [m*]
Franklin Co
Granville Co [m*]
Johnston Co
Orange Co
Person Co
Wake Co [m*]
 
   Rocky Mount, NC (Former Subpart 1)
Edgecombe Co
Nash Co
 
OHIO  (Region V)
   Canton-Massillon, OH (Former Subpart 1)
Stark Co [m*]
 
   Cincinnati-Hamilton, OH-KY-IN (Former Subpart 1)
Butler Co [m*]
Clermont Co [m*]
Clinton Co [m*]
Hamilton Co [m*]
Warren Co [m*]
 
   Cleveland-Akron-Lorain, OH (Moderate)
Ashtabula Co [m*]
Cuyahoga Co [m*]
Geauga Co [m*]
Lake Co [m*]
Lorain Co [m*]
Medina Co [m*]
Portage Co [m*]
Summit Co [m*]
 
   Columbus, OH (Former Subpart 1)
Delaware Co [m*]
Fairfield Co [*]
Franklin Co [m*]
Knox Co
Licking Co [m*]
Madison Co
 
   Dayton-Springfield, OH (Former Subpart 1)
Clark Co [m*]
Greene Co [m*]
Miami Co [m*]
Montgomery Co [m*]
 
   Lima, OH (Former Subpart 1)
Allen Co
 
   Parkersburg-Marietta, WV-OH (Former Subpart 1)
Washington Co [*]
 
   Steubenville-Weirton, OH-WV (Former Subpart 1)
Jefferson Co [m*]
 
   Toledo, OH (Former Subpart 1)
Lucas Co [m*]
Wood Co [m*]
 
   Wheeling, WV-OH (Former Subpart 1)
Belmont Co [*]
 
   Youngstown-Warren-Sharon, OH-PA (Former Subpart 1)
Columbiana Co [m*]
Mahoning Co [m*]
Trumbull Co [m*]
 
PENNSYLVANIA  (Region III)
   Allentown-Bethlehem-Easton, PA (Former Subpart 1)
Carbon Co [n*]
Lehigh Co [n*]
Northampton Co [n*]
 
   Altoona, PA (Former Subpart 1)
Blair Co [n*]
 
   Clearfield and Indiana Cos, PA (Former Subpart 1)
Clearfield Co
Indiana Co [*]
 
   Erie, PA (Former Subpart 1)
Erie Co [n*]
 
   Franklin Co, PA (Former Subpart 1)
Franklin Co [n*]
 
   Greene Co, PA (Former Subpart 1)
Greene Co [n*]
 
   Harrisburg-Lebanon-Carlisle, PA (Former Subpart 1)
Cumberland Co [n*]
Dauphin Co [n*]
Lebanon Co [n*]
Perry Co [n*]
 
   Johnstown, PA (Former Subpart 1)
Cambria Co [n*]
 
   Lancaster, PA (Marginal)
Lancaster Co [n*]
 
   Reading, PA (Former Subpart 1)
Berks Co [m*]
 
   Scranton-Wilkes-Barre, PA (Former Subpart 1)
Lackawanna Co [n*]
Luzerne Co [n*]
Monroe Co [n*]
Wyoming Co [n*]
 
   State College, PA (Former Subpart 1)
Centre Co
 
   Tioga Co, PA (Former Subpart 1)
Tioga Co
 
   York, PA (Former Subpart 1)
Adams Co [n*]
York Co [n*]
 
   Youngstown-Warren-Sharon, OH-PA (Former Subpart 1)
Mercer Co [n*]
 
TENNESSEE  (Region IV)
   Clarksville-Hopkinsville, TN-KY (Former Subpart 1)
Montgomery Co
 
   Knoxville, TN (Former Subpart 1)
Anderson Co [*]
Blount Co [*]
Cocke Co (P)
(Great Smoky Mtn Park)
Jefferson Co
Knox Co [m*]
Loudon Co [*]
Sevier Co
 
   Memphis, TN-AR (Moderate)
Shelby Co [m*]
 
TEXAS  (Region VI)
   Beaumont-Port Arthur, TX (Moderate)
Hardin Co [n*]
Jefferson Co [n*]
Orange Co [n*]
 
VIRGINIA  (Region III)
   Fredericksburg, VA (Moderate)
Fredericksburg
Spotsylvania Co
Stafford Co [n*]
 
   Madison and Page Cos (Shenandoah NP), VA (Former Subpart 1)
Madison Co (P)
Page Co (P)
 
   Norfolk-Virginia Beach-Newport News (HR),VA (Marginal)
Chesapeake [m*]
Gloucester Co
Hampton [m*]
Isle Of Wight Co
James City Co [m*]
Newport News [m*]
Norfolk [m*]
Poquoson [m*]
Portsmouth [m*]
Suffolk [m*]
Virginia Beach [m*]
Williamsburg [m*]
York Co [m*]
 
   Richmond-Petersburg, VA (Marginal)
Charles City Co [m*]
Chesterfield Co [m*]
Colonial Heights [m*]
Hanover Co [m*]
Henrico Co [m*]
Hopewell [m*]
Petersburg
Prince George Co
Richmond [m*]
 
WEST VIRGINIA  (Region III)
   Charleston, WV (Former Subpart 1)
Kanawha Co [m*]
Putnam Co [m*]
 
   Huntington-Ashland, WV-KY (Former Subpart 1)
Cabell Co [m*]
Wayne Co [m*]
 
   Parkersburg-Marietta, WV-OH (Former Subpart 1)
Wood Co [m*]
 
   Steubenville-Weirton, OH-WV (Former Subpart 1)
Brooke Co [*]
Hancock Co [*]
 
   Wheeling, WV-OH (Former Subpart 1)
Marshall Co [*]
Ohio Co [*]
 
WISCONSIN  (Region V)
   Door Co, WI (Former Subpart 1)
Door Co [m*]
 
   Kewaunee Co, WI (Former Subpart 1)
Kewaunee Co [m*]
 
   Manitowoc Co, WI (Former Subpart 1)
Manitowoc Co [m*]
 

Notes:
n = area has whole or part county or counties in a previous 1-hr Ozone nonattainment area (as of June 15, 2005) no longer subject to the 1-hour standard
m = area has whole or part county or counties in a previous 1-hr Ozone maintenance area (as of June 15, 2005) no longer subject to the 1-hour standard
* = area has whole or part county or counties in a CO, PM-10, or PM-2.5 nonattainment or maintenance area or previous 1-hr Ozone nonattainment or maintenance area (as of June 15, 2005)
Details about the designations and classifications of previous 1-hour ozone nonattainment and maintenance areas can be found here.



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