Jump to main content or area navigation.

Contact Us

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)

Map showing designations for region 5map legend

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

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.

Region 5 Recommendations and EPA Responses

Jump to main content.