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Conformity Adequacy Review: Region 5

State Implementation Plans (SIP) Submissions that EPA has Found Adequate or Inadequate
Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin

For more information about adequacy review, return to the main adequacy page.

ContactsAnthony Maietta (IL, IN, OH) at 312-353-8777, fax: 312-886-5824 or maietta.anthony@epa.gov. or 
Mike Leslie (MI, MN, WI), at 312-353-6680 or leslie.michael@epa.gov.
U.S. EPA Region 5, Air and Radiation Division, 77 West Jackson Blvd., AR-18J, Chicago, IL 60604-3590

Illinois
Area Pollutant SIP Submission Finding
(date budgets apply)
Additional Information/ Comments
Chicago Area pm2.5 maintenance plan Adequate (10/2/2013)
FR Notice
Budgets found adequate through the SIP approval process.
8-hour ozone maintenance plan Adequate (8/13/2012)
FR Notice
Budgets found adequate through the SIP approval process.
Adequate (5/26/2010)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Metro-East St. Louis 8-hour ozone maintenance plan Adequate (6/12/2012)
FR Notice
Budgets found adequate through the SIP approval process.
attainment demonstration Adequate (2/20/2008)
FR Notice
Budgets found adequate through the adequacy review process.
attainment demonstration and maintenance plan Withdrawn Budgets prepared with Mobile 6.2. Adequacy review started August 5, 2010.
attainment demonstration Adequate (2/20/2008)
FR Notice
Budgets found adequate through the adequacy review process.
Indiana
Area Pollutant SIP Submission Finding
(date budgets apply)
Additional Information/ Comments
Indianapolis Area (Hamilton, Hendricks, Johnson, Madison, Marion, and Morgan Counties) pm2.5 maintenance plan Adequate (7/11/2013)
FR Notice

Budgets found adequate through SIP approval proces.s

attainment demonstration Adequate (5/21/2010)
Letter and 
FR Notice
Budgets found adequate through the adequacy review process.
8-hour ozone maintenance plan Adequate (10/19/2007)
FR Notice
Budgets found adequate through SIP approval process.
Cincinnati-Hamilton OH-KY-IN Area (IN portion) Dearborn County
Delaware County
2008 8-hour ozone maintenance plan Adequate (10/12/2016)
Letter and
FR Notice (printed 9/27/2016)
Budgets found adequate through the adequacy review process.
1997 8-hour ozone maintenance plan Adequate (3/11/2010)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
attainment demonstration Adequate (5/8/2008)
Letter and
FR Notice  and
Correction FR Notice
Budgets found adequate through the adequacy review process.
1997 pm2.5 maintenance plan Adequate (12/23/2011)
FR Notice
Budgets found adequate through SIP approval process.
attainment demonstration   2008 attainment demonstration was replaced by 2011 redesignation and maintenance plan.
Delaware County 8-hour ozone maintenance plan Adequate (1/3/2006)
FR Notice
Budgets found adequate through SIP approval process.
East Chicago (Lake County) and Indianapolis (Marion County) carbon monoxide limited maintenance plan Adequate (3/20/2000)
FR Notic
Budget adequate by virtue of SIP.
Evansville (Dubois, Vanderburgh, and Warrick Counties; Montgomery Township in Gibson County; Ohio Township in Spencer County; and Washington Township in Pike Count 8-hour ozone maintenance plan Adequate (7/15/2005)
Letter  and
FR Notice
Budgets found adequate through the adequacy review process.
1997 pm2.5 maintenance plan Adequate (9/27/2011)
FR Notice (PDF)
(7 pp, 174 K, published September 27, 2011, About PDF)
Budgets found adequate through SIP approval process.
Greene County 8-hour ozone maintenance plan Adequate (11/4/2005)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Jackson County 8-hour ozone maintenance plan Adequate (11/4/2005)
Letter and 
FR Notice (PDF)
(1 pp,  138 K, published October 20, 2005,  About PDF)
Budgets found adequate through the adequacy review process.
Louisville, KY -IN Area (Clark, Jefferson, and Floyd Counties) 1997 pm2.5 maintenance plan

Adequate (9/9/2016)
81 FR 62390 (Printed 9/27/2016)

Budgets found adequate through the SIP approval process
8-hour ozone maintenance plan Adequate (7/19/2007)
FR Notice
Budgets found adequate through the SIP approval process.
Northwest Indiana (Lake and Porter Counties) 8-hour ozone maintenance plan Adequate (5/11/2010)
FR Notice
Budgets found adequate through the SIP approval process.
Vigo County 8-hour ozone maintenance plan Adequate (12/7/2005)
Letter and
FR Notice (PDF)
(1 pp, 138 K, published November 22, 2005, About PDF)
Budgets found adequate through the adequacy review process.
Michigan
Area Pollutant SIP Submission Finding
(date budgets apply)
Additional Information/ Comments
Allegan County 8-hour ozone maintenance plan Adequate (9/24/2010)
FR Notice (PDF)
(4 pp, 159 K, published September 24, 2010,  About PDF) 
Budgets found adequate through SIP approval process.
Benzie County 8-hour ozone maintenance plan Adequate (5/16/2007)
Letter and
FR Notice
Budgets found adequate through SIP approval process.
Berrien County 8-hour ozone maintenance plan Adequate (2/7/2007)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Cass County 8-hour ozone maintenance plan Adequate (2/7/2007)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Detroit carbon monoxide maintenance plan Adequate (8/30/1998)
FR Notice
Budget adequate by virtue of SIP approval
Flint 8-hour ozone maintenance plan Adequate (2/7/2007)
Letter  and
FR Notice
Budget adequate through SIP approval process.
Grand Rapids (Kent and Ottowa Counties) 8-hour ozone maintenance plan Adequate (5/16/2007)
Letter and 
FR Notice
Budgets found adequate through SIP approval process.
Huron County 8-hour ozone maintenance plan Adequate (5/16/2007)
Letter and
FR Notice
Budgets found adequate through SIP approval process.
Kalamazoo (Kalamazoo, Calhoun, and Van Buren Counties) 8-hour ozone maintenance plan Adequate (5/16/2007)
Letter and 
FR Notice
Budgets found adequate through SIP approval process.
Lansing (Ingham, Eaton, and Clinton Counties) 8-hour ozone maintenance plan Adequate (5/16/2007)
Letter and
FR Notice
Budgets found adequate through SIP approval process.
Mason County 8-hour ozone maintenance plan Adequate (5/16/2007)
Letter and
FR Notice
Budgets found adequate through SIP approval process.
Muskegon County 8-hour ozone maintenance plan Adequate (2/7/2007)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Southeast (Detroit, Ann Arbor) 8-hour ozone maintenance plan Adequate (6/27/2009)
FR Notice (PDF)(4 pp, 149 K, published June 29, 2009, About PDF)
Budgets found adequate through SIP approval process.
Ohio
Area Pollutant SIP Submission Finding
(date budgets apply)
Additional Information/ Comments
Canton - Massilon  pm2.5 attainment demonstration Adequate (2/10/2010)
Letter and
FR Notice 
Budgets found adequate through the adequacy review process.
 8-hour ozone maintenance plan Adequate (4/18/2007)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Cincinnati-Hamilton OH-KY-IN Area (OH portion)   pm2.5 maintenance plan Adequate (12/23/2011)
FR Notice
Budgets found adequate through SIP approval process.
attainment demonstration   2008 attainment demonstration was replaced by 2011 redesignation and maintenance plan.
2008 8-hour ozone maintenance plan Adequate (10/12/2016)
Letter and
FR Notice (Printed 9/27/2016)
Budgets found adequate through the adequacy review process.
1997 8-hour ozone maintenance plan Adequate (3/11/2010)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
attainment demonstration Adequate (6/27/2008)
Letter and
FR Notice
Budgets found adequate throught the adequacy review process.
Cleveland - Akron pm2.5 maintenance plan Adequate (9/18/2013)
FR Notice
Budgets found adequate through SIP approval process.
attainment demonstration Adequate (2/10/2010)
Letter and 
FR Notice
Budgets found adequate through the adequacy review process.
Cleveland - Akron - Lorain Area (Ashtabula, Cuyahoga, Geauga Lake, Lorain, Medina, Portage, and Summit Counties) 2008 8-hour ozone maintenance plan Adequate (10/12/2016)
Letter and
FR Notice (printed 9/27/2016)
Budgets found adequate through the adequacy review process.
1997 8-hour ozone maintenance plan Adequate (6/04/2009)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Columbus Area (Delaware, Fairfield, Franklin, Knox, Licking, and Madison Counties) 2008 8-hour ozone maintenance plan Adequate (10/12/2016)
Letter and
FR Notice (printed 9/27/2016)
 
1997 pm2.5 maintenance plan Adequate (11/7/2013)
78 FR 66845 (printed 11/7/2013)
Budgets found adequate through the SIP approval process.
attainment demonstration withdrawn Attainment plan budgets prepared with Mobile 6.2 replaced with maintenance plan budgets prepared using MOVES.
1997 8-hour ozone maintenance plan Adequate (6/4/2009)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Cuyahoga County carbon monoxide limited maintenance plan Adequate (7/31/2006)
FR Notice
Budgets adequate through SIP approval process.
Dayton - Springfield pm2.5 maintenance plan Adequate (9/26/2013)
FR Notice
Budgets adequate through SIP approval process.
attainment demonstration withdrawn Attainment plan budgets prepared with Mobile 6.2 replaced with maintenance plan budgets prepared using MOVES.
 8-hour ozone maintenance plan Adequate (4/18/2007)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Huntington Ashland pm2.5 maintenance plan Adequate (10/14/2011)
Letter and
FR Notice
Regional insignifcance finding for PM2.5 and NOx made through the adequacy review process.
attainment demonstration Adequate (12/22/2009)
FR Notice (PDF)
(1 pp, 134 K, published December 7, 2009,  About PDF)
Regional insignifcance finding for PM2.5 and NOx made through the adequacy review process.
Lima  8-hour ozone maintenance plan Adequate (4/18/2007)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Parkersburg - Marietta pm2.5 maintenance plan Adequate (8/29/2013)
FR Notice
Regional insignifcance finding for PM2.5 and NOx made through the adequacy review process.
 8-hour ozone maintenance plan Adequate (4/18/2007)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Steubenville - Weirton  pm2.5 attainment demonstration Adequate (2/10/2010)
Letter and 
FR Notice
Budgets found adequate through the adequacy review process.
 8-hour ozone maintenance plan Adequate (4/18/2007)
Letter and 
FR Notice
Budgets found adequate through the adequacy review process.
Toledo (Lucas and Wood Counties) 8-hour ozone maintenance plan Adequate (8/9/2007)
FR Notice
Budgets found adequate through SIP approval process.
Washington County pm2.5 attainment demonstration Adequate (12/22/2009)
FR Notice (PDF)
(1 pp, 134 K, published December 7, 2009,  About PDF) 
Regional insignifcance finding for PM2.5 and NOx made through the adequacy review process.
Wheeling (Belmont County) pm2.5 maintenance plan Adequate (8/29/2013)
FR Notice
Regional insignifcance finding for PM2.5 and NOx made through the SIP approval process.
 8-hour ozone maintenance plan Adequate (4/18/2007)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Youngstown (Columbrana and Trumbull Counties) 8-hour ozone maintenance plan Adequate (6/12/2007)
FR Notice
Budgets found adequate through SIP approval process.
Wisconsin
Area Pollutant SIP Submission Finding
(date budgets apply)
Additional Information/ Comments
Door County 8-hour ozone maintenance plan Adequate (5/21/2010)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Kenosha 8-hour ozone

early progress plan

Adequate (4/16/2015)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Kewaunee County 8-hour ozone maintenance plan Adequate (12/19/2007)
FR Notice
Budgets found adequate through the adequacy review process.
Manitowoc 8-hour ozone maintenance plan Adequate (5/21/2010)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Milwaukee 8-hour ozone maintenance plan Adequate (7/31/2012)
FR Notice
Budgets found adequate through the SIP approval process.
Adequate (5/21/2010)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Sheboygan 1997 8-hour ozone maintenance plan Adequate (4/16/2015)
80 FR 17428 printed (4/1/2015)
Budgets found adequate through the SIP approval process.

early progress plan

Adequate (4/16/2015)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
maintenance plan Adequate (5/21/2010)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.

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