Following are Requests for Redesignation and Maintenance Plans Indiana has submitted to United States Environmental Protection Agency (U.S. EPA) for Clark, Floyd, and Jefferson counties, Indiana, listed by applicable National Ambient Air Quality Standard (NAAQS).
Ozone
2015 8-Hour Ozone Standard
Clark and Floyd counties make up Indiana’s portion of the Louisville, Kentucky-Indiana area designated by U.S. EPA under the 2015 8-Hour Ozone Standard.
- Documents - July 5, 2022 to February 21, 2022 [ZIP]
- Federal Register Notice Concerning U.S. EPA Approval of the Request for Redesignation and Maintenance Plan for Attainment of Indiana’s Portion (Clark and Floyd Counties) of the Louisville, Kentucky-Indiana (KY-IN), 2015 8-Hour Nonattainment Area (July 5, 2022)
- Supplement to the Request for Redesignation and Maintenance Plan for Attainment of Indiana’s Portion (Clark and Floyd Counties) of the Louisville, Kentucky-Indiana (KY-IN), 2015 8-Hour Nonattainment Area (April 1, 2022)
- Request for Redesignation and Maintenance Plan for Attainment of Indiana’s Portion (Clark and Floyd Counties) of the Louisville, Kentucky-Indiana (KY-IN), 2015 8-Hour Nonattainment Area (February 21, 2022)
1997 8-Hour Ozone Standard
Clark and Floyd counties make up Indiana’s portion of the Louisville, Kentucky-Indiana area designated by U.S. EPA under the 1997 8-Hour Ozone Standard.
- Documents - December 13, 2019 to November 29, 2007 [ZIP]
- Federal Register Notice Concerning U.S. EPA Approval of the Full Maintenance Plan Update for the Indiana Portion of the Louisville, Kentucky-Indiana 1997 8-Hour Ozone Area (December 13, 2019)
- Full Maintenance Plan Update for the Indiana Portion of the Louisville, Kentucky-Indiana (Clark and Floyd Counties) 1997 8-Hour Ozone Area (June 20, 2019)
- Federal Register Notice Concerning U.S. EPA Approval and Promulgation of the Discontinuation of the Vehicle Inspection and Maintenance Program in Clark and Floyd Counties (April 29, 2011)
- Clark and Floyd Counties 8-Hour Ozone Clean Air Act Section 110(l) Demonstration and State Implementation Plan Revisions Technical Addendum (November 19, 2010)
- Clark and Floyd Counties 8-Hour Ozone Clean Air Act Section 110(l) Demonstration and State Implementation Plan Revisions Supplemental Information (April 23, 2010)
- Clark and Floyd Counties 8-Hour Ozone Action Level Response Letter to U.S. EPA (February 2, 2009)
- Clark and Floyd Counties 8-Hour Ozone Clean Air Act Section 110(l) Demonstration and State Implementation Plan Revisions Supplemental Information (November 25, 2008)
- Clark and Floyd Counties 8-Hour Ozone Clean Air Act Section 110(l) Demonstration and State Implementation Plan Revisions Supplemental Information (August 18, 2008)
- Clark and Floyd Counties 8-Hour Ozone Clean Air Act Section 110(l) Demonstration Technical Addendum (November 29, 2007)
- Documents - July 19, 2007 to July 10, 2006 [ZIP]
- Federal Register Notice Concerning U.S. EPA Approval of Clark and Floyd Counties 8-Hour Ozone Request for Redesignation and Maintenance Plan (July 19, 2007)
- Clark and Floyd Counties 8-Hour Ozone Clean Air Act Section 110(l) Demonstration and State Implementation Plan Revisions (November 15, 2006)
- Clark and Floyd Counties 8-Hour Ozone Clean Air Act Section 110(l) Demonstration and State Implementation Plan Revision for Clark and Floyd Counties (October 10, 2006)
- Clark and Floyd Counties 8-Hour Ozone Request for Redesignation and Maintenance Plan Submittal (July 10, 2006)
Particulate Matter
1997 Annual Fine Particles (PM2.5) Standard
Clark and Floyd counties, and Madison Township within Jefferson County, make up Indiana’s portion of the Louisville, Kentucky-Indiana area designated by U.S. EPA under the 1997 Annual Fine Particles (PM2.5) Standard.
- Documents - September 9, 2016 to June 16, 2011 [ZIP]
- Federal Register Notice Concerning U.S. EPA Approval and Promulgation of the Clark and Floyd Counties and Jefferson County (Madison Township) Annual Fine Particles Redesignation Request and Maintenance Plan (September 9, 2016)
- Clark and Floyd Counties and Jefferson County (Madison Township) Annual Fine Particles Redesignation Request and Maintenance Plan Submittal-Transmittal Letter and Request for Redesignation and Maintenance Plan Including Appendices A-G (June 16, 2011)
- Appendix H
- Appendices I-K