Redesignations and Maintenance Plans
This Web site is dedicated to Indiana's Redesignation Petitions and Maintenance Plans for counties that now meet the National Ambient Air Quality Standards (NAAQS). The Indiana Department of Environmental Management (IDEM) has prepared these Redesignation Petitions and Maintenance Plans for U.S. Environmental Protection Agency (U.S. EPA) review and consideration for these counties to be redesignated from nonattainment to attainment, and classified as maintenance under the standards. The list is broken down by nonattainment area and provides additional information to support continued compliance with the standard(s).
Table of Contents
Central Indiana Area
8-hour Ozone
- Approval and Promulgation of Implementation Plans for Central Indiana effective October 19, 2007
- Cover Letter to U.S. EPA [PDF]
- FINAL Central Indiana Ozone Redesignation Petition and Maintenance Plan [PDF]
- Appendix E - Mobile Input and Output Calculation Files [PDF]
Carbon Monoxide
Allen County
8-hour Ozone
- Approval and Promulgation of Implementation Plans for Allen County effective February 12, 2007
- Cover Letter to U.S. EPA [PDF]
- FINAL Allen County Ozone Redesignation Petition and Maintenance Plan [PDF]
Clark and Floyd Counties
8-hour Ozone
- Clean Air Act Section 110(l) Demonstration Support [PDF]
- Clean Air Act Section 110(l) Technical Support Document [PDF]
- FINAL Clark and Floyd Counties Ozone Redesignation Petition and Maintenance Plan [PDF]
- Approval and Promulgation of the Implementation Plan for Clark and Floyd Counties effective July 19, 2007
Evansville Nonattainment Area
8-hour Ozone
- Approval and Promulgation of the Implementation Plan for Vanderburgh and Warrick Counties effective January 30, 2006
- Cover Letter to U.S. EPA [PDF]
- FINAL Evansville Area Redesignation Petition and Maintenance Plan [PDF]
Annual Fine Particles
Gary/Hammond - Lake County
Sulfur Dioxide (SO2) Nonattainment Area
- Cover Letter to U.S. EPA [PDF]
- Approval and Promulgation of the Implementation Plan for Lake County SO2 effective Sept. 26, 2005
- FINAL Lake County SO2 Redesignation Petiton and Maintenance Plan [PDF]
- Appendix A [XLS]
- Appendix B [PDF]
- Appendix C [PDF]
- Appendix D - Modeling Files
- Note: Anyone interested in the modeling files in Appendix D should contact, via email, info @ idem.in.gov
- Appendix E - Administrative Documents
- Note: Anyone interested in the administrative documents in Appendix E should contact, via email, info @ idem.in.gov
Lake and Porter Counties
8-hour Ozone
- Legal Notice of Public Hearing [DOC]
- Cover Letter to U.S. EPA [DOC]
- Interested Parties Memo [DOC]
- Draft Redesignation Petition and Maintenance Plan [DOC]
- Attainment Demonstration [DOC]
- Demonstration of compliance with requirements pertaining to Reasonably Available Control Measures for volatile organic compounds [DOC]
- Request for waiver for Reasonably Available Control Measure requirements for oxides of nitrogen [DOC]
- Enclosure for Request for waiver for Reasonably Available Control Measure requirements for oxides of nitrogen [DOC]
Annual Fine Particles
- Final Redesignation Request and Maintenance Plan [DOC - 31.7MB]
- Appendix A [DOC]
- Appendix B [DOC]
- Appendix C [DOC]
- Appendix D [DOC]
- Appendix E [DOC]
- Appendix F [DOC]
- 2007 AQS Monitoring Data [DOC]
Carbon Monoxide
LaPorte County
8-hour Ozone
- Cover Letter to U.S. EPA [PDF]
- FINAL LaPorte County Ozone Redesignation Petition and Maintenance Plan [PDF]
- Approval and Promulgation of the Implementation Plan for LaPorte County effective July 19, 2007
- Technical Correction for Approval and Promulgation of the Implementation Plan for LaPorte County effective August 8, 2007
Linton Nonattainment Area - Greene County
8-hour Ozone
- Approval and Promulgation of the Implementation Plan for Greene and Jackson Counties effective December 29, 2005
- Cover Letter to U.S. EPA [PDF]
- FINAL Greene County Request For Redesignation and Maintenance Plan for Ozone Attainment in The 8-Hour Ozone Basic Nonattainment Area [PDF]
Muncie Nonattainment Area - Delaware County
8-hour Ozone
- Approval and Promulgation of the Implementation Plan for Delaware County effective January 3, 2006
- Cover Letter to U.S. EPA [PDF]
- FINAL Delaware County Ozone Redesignation Petition and Maintenance Plan [PDF]
Seymour Nonattainment Area - Jackson County
8-hour Ozone
- Approval and Promulgation of the Implementation Plan for Greene and Jackson Counties effective December 29, 2005
- Cover Letter to U.S. EPA [PDF]
- FINAL Jackson County Request For Redesignation and Maintenance Plan for Ozone Attainment in The 8-Hour Ozone Basic Nonattainment Area [PDF]
St. Joseph/Elkhart County
8-hour Ozone
- Cover Letter to U.S. EPA [PDF]
- FINAL St. Joseph and Elkhart Counties Ozone Redesignation Petition and Maintenance Plan [PDF]
- Approval and Promulgation of the Implementation Plan for St. Joseph and Elkhart Counties effective July 19, 2007
Terre Haute Nonattainment Area - Vigo County
8-hour Ozone
Top FAQsI Want To...
- What should I do with my old computers and electronics?
- Where can I recycle?
- What are “Pay-as-You-Throw” programs?
- How can I get funding for recycling programs?
- What is “household hazardous waste”?
- Where can I find information about available IDEM grants, loans, or funds?
- Why is mercury dangerous?
- What are the benefits of recycling?
- What is composting and how do I do it?
- Where can I find information about flooding?
