Area Designations for 1997 Ground-level Ozone Standards
Region 5: State Designations for the 1997 8-Hour Ozone Standard
Boundary Designations for the 1997 8-Hour Ozone Standard
- EPA Region 5
(as of September 18, 2009)


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This table identifies all counties EPA has designated as nonattainment.
In some cases EPA designated partial counties. These are identified by
a (P). If a county is not listed below, EPA has
designated it as unclassifiable/attainment. See also the table of redesignated areas.
State |
Area Name |
Counties |
April 15, 2004 Classification |
Maximum Attainment Date (from June 15, 2004) |
Current/Proposed Classification | Resdesignation Effective Date |
---|---|---|---|---|---|---|
Illinois |
Chicago-Gary-Lake Co, IL-IN Map (PDF) (1 p, 76KB) |
Cook DuPage Grundy (P) Kane Kendall (P) Lake McHenry Will |
Moderate | June 2010 | Moderate | - |
St. Louis, MO-IL Map (PDF) (1 p, 77KB) |
Jersey Madison Monroe St. Clair |
Moderate | June 2010 | Moderate | - |
|
Indiana 1 |
Chicago-Gary-Lake Co IL-IN Map (PDF) (1 p, 76KB) |
Lake Porter |
Moderate | June 2010 | Moderate | - |
South Bend/Elkhart IN Map (PDF) (1 p, 34KB) |
Elkhart St. Joseph |
Former Subpart 1 | June 2009 | Maintenance | 7/19/07 | |
Louisville, KY-IN Map (PDF) (1 p, 72KB) |
Clark Floyd |
Former Subpart 1 | June 2009 | Maintenance | 7/19/07 | |
Indianapolis, IN Map (PDF) (1 p, 52KB) |
Marion Boone Hendricks Morgan Johnson Shelby Hancock Madison Hamilton |
Former Subpart 1 | June 2009 | Maintenance | 10/19/07 | |
Evansville IN-KY Map (PDF) (1 p, 56KB) |
Vanderburgh Warrick |
Former Subpart 1 | June 2009 | Maintenance | 1/30/06 | |
Muncie IN Map (PDF) (1 p, 19KB) |
Delaware | Former Subpart 1 | June 2009 | Maintenance | 1/3/06 | |
Cincinnati-Hamilton OH-KY-IN Map (PDF) (1 p, 62KB) |
Dearborn (P) | Former Subpart 1 | June 2009 | Former Subpart 1 | - | |
Greene Co IN Map (PDF) (1 p, 27KB) |
Greene | Former Subpart 1 | June 2009 | Maintenance | 12/29/05 | |
Jackson Co IN Map (PDF) (1 p, 31KB) |
Jackson | Former Subpart 1 | June 2009 | Maintenance | 12/29/05 | |
LaPorte IN 2 Map (PDF) (1 p, 35KB) |
LaPorte | Marginal 2 | June 2007 | Maintenance | 7/19/07 | |
Fort Wayne IN Map (PDF) (1 p, 29KB) |
Allen | Former Subpart 1 | June 2009 | Maintenance | 2/12/07 | |
Terre Haute IN Map (PDF) (1 p, 31KB) |
Vigo | Former Subpart 1 | June 2009 | Maintenance | 2/6/06 | |
Michigan 1 |
Detroit-Ann Arbor, MI 2 Map (PDF) (1 p, 83KB) |
Livingston Macomb Monroe Oakland St. Clair Washtenaw Wayne Lenawee |
Marginal 2 | June 2007 | Maintenance | 6/29/09 |
Flint, MI Map (PDF) (1 p, 34KB) |
Genesee Lapeer |
Former Subpart 1 | June 2009 | Maintenance | 5/16/07 | |
Grand Rapids MI Map (PDF) (1 p, 29KB) |
Ottawa Kent |
Former Subpart 1 | June 2009 | Maintenance | 5/16/07 | |
Muskegon Co, MI 2 Map (PDF) (1 p, 26KB) |
Muskegon | Marginal 2 | June 2007 | Maintenance | 5/16/07 | |
Allegan Co, MI Map (PDF) (1 p, 24KB) |
Allegan | Former Subpart 1 | June 2009 | Former Subpart 1 | - |
|
Huron Co MI Map (PDF) (1 p, 28KB) |
Huron | Former Subpart 1 | June 2009 | Maintenance | 5/16/07 | |
Kalamazoo-Battle Creek - MI Map (PDF) (1 p, 47KB) |
Calhoun Kalamazoo Van Buren |
Former Subpart 1 | June 2009 | Maintenance | 5/16/07 | |
Lansing-East Lansing - MI Map (PDF) (1 p, 41KB) |
Clinton Eaton Ingham |
Former Subpart 1 | June 2009 | Maintenance | 5/16/07 | |
Benton Harbor - MI Map (PDF) (1 p, 32KB) |
Berrien | Former Subpart 1 | June 2009 | Maintenance | 5/16/07 | |
Benzie Co - MI Map (PDF) (1 p, 21KB) |
Benzie | Former Subpart 1 | June 2009 | Maintenance | 5/16/07 | |
Cass Co - MI 2 Map (PDF) (1 p, 23KB) |
Cass | Marginal 2 | June 2007 | Maintenance | 5/16/07 | |
Mason Co - MI Map (PDF) (1 p, 23KB) |
Mason | Former Subpart 1 | June 2009 | Maintenance | 5/16/07 | |
Minnesota | entire state attainment | |||||
Ohio |
Canton-Massillion, OH Map (PDF) (1 p, 34KB) |
Stark | Former Subpart 1 | June 2009 | Maintenance | 6/15/07 |
Cincinnati-Hamilton, OH-KY-IN Map (PDF) (1 p, 62KB) |
Butler Clermont Hamilton Warren Clinton |
Former Subpart 1 | June 2009 | Former Subpart 1 | - |
|
Cleveland-Akron-Lorain, OH Map (PDF) (1 p, 76KB) |
Ashtabula Cuyahoga Geauga Lake Lorain Medina Portage Summit |
Moderate | June 2010 | Maintenance | 9/15/09 | |
Columbus, OH Map (PDF) (1 p, 60KB) |
Delaware Franklin Licking Fairfield Madison Knox |
Former Subpart 1 | June 2009 | Maintenance | 9/15/09 | |
Dayton-Springfield, OH Map (PDF) (1 p, 31KB) |
Clark Greene Miami Montgomery |
Former Subpart 1 | June 2009 | Maintenance | 8/13/07 | |
Steubenville-Weirton, OH-WV Map (PDF) (1 p, 56KB) |
Jefferson | Former Subpart 1 | June 2009 | Maintenance | 6/15/07 | |
Toledo, OH Map (PDF) (1 p, 39KB) |
Lucas Wood |
Former Subpart 1 | June 2009 | Maintenance | 8/9/07 | |
Youngstown-Warren-Sharon, PA-OH Map (PDF) (1 p, 80KB) |
Mahoning Trumbull Columbiana |
Former Subpart 1 | June 2009 | Maintenance | 6/12/07 | |
Wheeling, WV-OH Map (PDF) (1 p, 51KB) |
Belmont | Former Subpart 1 | June 2009 | Maintenance | 6/15/07 | |
Lima, OH Map (PDF) (1 p, 21KB) |
Allen | Former Subpart 1 | June 2009 | Maintenance | 6/15/07 | |
Parkersburg-Marietta, WV-OH Map (PDF) (1 p, 61KB) |
Washington | Former Subpart 1 | June 2009 | Maintenance | 6/15/07 | |
Wisconsin |
Door Co, WI Map (PDF) (1 p, 56KB) |
Door | Former Subpart 1 | June 2009 | Former Subpart 1 | - |
Kewaunee Co, WI Map (PDF) (1 p, 33KB) |
Kewaunee | Former Subpart 1 | June 2009 | Maintenance | 5/21/08 |
|
Manitowoc Co, WI Map (PDF) (1 p, 26KB) |
Manitowoc | Former Subpart 1 | June 2009 | Former Subpart 1 | - |
|
Milwaukee-Racine, WI Map (PDF) (1 p, 48KB) |
Milwaukee Ozaukee Racine Washington Waukesha Kenosha |
Moderate | June 2010 | Moderate | - |
|
Sheboygan, WI Map (PDF) (1 p, 24KB) |
Sheboygan | Moderate | June 2010 | Moderate | - |
1 Includes Tribal lands
2 This area received a bump-down in classification. See the bump-down requests page for information.