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Public Notices: All Regions

The Public Notices for All Regions covers all IDEM public notices issued, organized by region and then county.

Updated: 09/14/2026

Statewide Notices

Name of Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Environmental Rules Board Notice of Public Hearing [PDF] 09/03/2026 - 10/15/2026 Yes Project Manager: Kindrick, Karla
Environmental Rules Board Notice of Public Hearing [PDF] 09/03/2026 - 10/15/2026 Yes Project Manager: Kindrick, Karla
Spring Creek Pollution Control Facility Land Application Public Notice [PDF] 08/07/2026 - 09/08/2026 Yes Permit Number: IN LA 000933

Project Manager: Meulen, Nicholas
Bio Town Ag, Inc. Land Application Public Notice [PDF] 08/07/2026 - 09/08/2026 Yes Permit Number: IN LA 000795

Project Manager: O'Connell, Morrighan

Counties and Regions:
Western: Benton, Tippecanoe, and White Counties
Northwestern: Jasper County

Central Indiana

Project or Facility Name Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Bartholomew
Columbus Municipal Utilitiy/Water Treatment Plant No. 2 - Phase 1

Drinking Water Construction Permit Public Notice [PDF]

09/11/2026 - 10/12/2026 No Permit Number: 13169

IDEM ID Number: 5203002

Corps of Engineers ID Number: 11500715

Project Manager: Prater, Matthew
Toyota Material Handling, Incorporated Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/09/2026-10/09/2026 Yes Permit Number: 005-50230-00040 & 005-50507-00040
Beacon Industries, Inc. NPDES Final Permit Public Notice [PDF] 08/14/2026 - 09/01/2026 No Permit Number: INP000179

Project Manager: Wren, Kira
Boone
Town of Jamestown Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 09/09/2026 - 09/28/2026 No Permit Number: IN0021318

Project Manager: Clements, Samantha
Thorntown Utilities/New well #4 Wellhead Protection Program Public Notice [PDF] 09/03/2026 - 10/05/2026 No Permit Number: 13152

IDEM ID Number: 5206005

Corps of Engineers ID Number: 10100303

Project Manager: Prater, Matthew
MultiTech Industries, Inc. NPDES Draft Permit Public Notice [PDF] 08/31/2026 - 09/30/2026 Yes Permit Number: INP000111

Project Manager: Ruiz, Brodyn R
Lebanon Water Utility - Sugar Creek Water Treatment Plant NPDES Final Permit Public Notice [PDF] 08/31/2026 - 09/18/2026 No Permit Number: IN0059153

Project Manager: Wren, Kira
Lebanon Utilities/Wholesale Water Supply Phase 2, Package E Drinking Water Construction Permit Public Notice [PDF] 08/25/2026 - 09/24/2026 No Permit Number: 13141

IDEM ID Number: 5206003

Corps of Engineers ID Number: 11800287

Project Manager: Prater, Matthew
Brown
No current public notices.
Clinton
Town of Mulberry Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 08/20/2026 - 09/08/2026 No Permit Number: IN0031976

Project Manager: Kasuboski, Jordan
Hamilton
Lennar Homes - Winslow Trails State Isolated Wetland Individual Permit Public Notice [PDF] 08/24/2026 - 09/23/2026 Yes IDEM ID Number: SRIP01418

Project Manager: Harriman, Emersyn N
Drees Homes - Rollingwood State Isolated Wetland Individual Permit Public Notice [PDF] 08/24/2026 - 09/23/2026 Yes IDEM ID Number: SRIP01415

Project Manager: Cohen, L David
Toyota Automated Logistics Americas, LLC NPDES Draft Permit Public Notice [PDF] 08/19/2026 - 09/18/2026 Yes Permit Number: INP000758

Project Manager: Marshall, Riley E
Hamilton County Highway Department - Bridge 56 Section 401 Water Quality Certification Public Notice [PDF] 08/14/2026 - 09/04/2026 Yes IDEM ID Number: WQC001501

Project Manager: Sarles, Ella H
Hancock
New Palestine Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 09/08/2026 - 09/28/2026 No Permit Number: IN0042358

Project Manager: Eilerman, Nicholas
Hendricks
Citizens Water Indianapolis/CLWSP Project B Royalton Booster Station

Drinking Water Construction Permit Public Notice [PDF]

09/11/2026 - 10/12/2026 No Permit Number: 13168

IDEM ID Number: 5249004

Corps of Engineers ID Number: 11100684

Project Manager: Prater, Matthew
Certor Sports, LLC NPDES Final Permit Public Notice [PDF] 09/02/2026 - 09/21/2026 No Permit Number: INP000721

Project Manager: Ruiz, Brodyn R
Olthof Homes - Fairview West Section 401 Water Quality Certification Public Notice [PDF] 08/14/2026-09/04/2026 Yes IDEM ID Number: WQC01503

Project Manager: Sarles, Ella H
Howard
No current public notices.
Johnson
Henry Street, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/01/2026-10/01/2026 Yes Permit Number: 081-50309-00070
Indiana American Water Johnson County/New Booster Station in Franklin

Drinking Water Construction Permit Public Notice [PDF]

08/26/2026 - 09/25/2026 No IDEM ID Number: 13142

Corps of Engineers ID Number: 11800762

Project Manager: Prater, Matthew
M. A. Metal Co., Inc. NPDES Draft Permit Public Notice [PDF] 08/19/2026 - 09/18/2026 Yes Permit Number: INP000764

Project Manager: Etter, Heidi E
Federal Express - GRWD Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/06/2026-09/05/2026 Yes Permit Number: 081-50389-00113
Whiteland Water Works/Culver's of Whiteland/Amendment

Drinking Water Construction Permit Public Notice [PDF]

08/06/2026 - 09/07/2026 No Permit Number: 12960

IDEM ID Number: 5241009

Corps of Engineers ID Number: 122200658

Project Manager: Prater, Matthew
Madison
Roys Recycling Land Application Permit Public Notice [PDF] 09/11/2026 - 09/26/2026 No Permit Number: IN LA 000731

Project Manager: Meulen, Nicholas
Elwood Water & Sewage
New Water Main Extension
Drinking Water Construction Permit Public Notice [PDF] 08/25/2026 - 09/24/2026 No Permit Number: 13146

IDEM ID Number: 5248007

Corps of Engineers ID Number: 10910647

Project Manager: Prater, Matthew
Marion
The Kroger Company - Indianapolis Bakery Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/14/2026 - 10/14/2026 Yes Permit Number: F097-50274-00161
Town of Cumberland Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 09/09/2026 - 10/09/2026 Yes Permit Number: IN0021300

Project Manager: Clements, Samantha
Citizens Water Indianapolis/Palermo Water Main Replacement Drinking Water Construction Permit Public Notice [PDF] 08/27/2026 - 09/28/2026 No Permit Number: 13149

IDEM ID Number: 5249004

Corps of Engineers ID Number: 11200278

Project Manager: Prater, Matthew
Prysmian Cables & Systems USA, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/24/2026-09/23/2026 Yes Permit Number: 097-50402-00185
Comlux America, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/17/2026-09/16/2026 Yes Permit Number: 097-50001-00702
Imagineering Enterprises, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/10/2026-09/09/2026 Yes Permit Number: 097-50222-00572
Monroe
E & B Paving, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/14/2026 - 10/14/2026 Yes Permit Number: F777-50200-05234
Morgan
N. Paddock Road 401 Water Quality Permit Public Notice [PDF] 08/28/2026 - 09/19/2026 Yes Permit Number: WQC001497

IDEM ID Number: WQC001497

Project Manager: Plachta, Aimee
Twigg Corp. NPDES Final Permit Public Notice [PDF] 08/21/2026 - 09/11/2026 No Permit Number: INP000222

Project Manager: Ruiz, Brodyn R
TOA (USA), LLC NPDES Draft Permit Public Notice [PDF] 08/05/2026 - 09/04/2026 Yes Permit Number: INP000667

Project Manager: Deboy, Devery J
Woodland Caribou, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF]

Notice of Public Hearing [PDF]

Notice of Extension [PDF]
07/16/2026 - 09/14/2026 Yes Permit Number: 109-50085-00094

Virtual Public Hearing
Wednesday, Sept 9, 2026, 6:00 p.m. ET
(See the Public Hearing Notice link for connection details.)
Shelby
Atmosphere Dynamics Corp. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/26/2026-09/25/2026 Yes Permit Number: 145-50499-00036
Knauf Insulation, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/26/2026-09/25/2026 Yes Permit Number: 145-49354-00001
Klosterman Baking Co., LLC NPDES Draft Permit Public Notice [PDF] 08/19/2026 - 09/18/2026 Yes Permit Number: INP000766

Project Manager: Wren, Kira
Northrop Grumman Systems Corp. NPDES Draft Permit Public Notice [PDF] 08/07/2026 - 09/08/2026 Yes Permit Number: IN0054844

Project Manager: Etter, Heidi E
Tipton
No current public notices.

Eastern Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Decatur
No current public notices.
Delaware
Ox Paperboard Eaton, LLC NPDES Draft Permit Public Notice [PDF] 09/09/2026 - 10/09/2026 Yes Permit Number: INP000720

Project Manager: Deboy, Devery J
INOX Market America Notice of 30-Day Period of Public Comment for Draft Air Permit [PDF] 08/11/2026 - 09/10/2026 Yes Permit Number: 035-49720-00113
Fayette
Reclaimed Energy Division, Superior Industrial Solutions, Inc. Notice of 30-Day Period of Public Comment for Draft Air Permit [PDF] 08/24/2026 - 09/23/2026 Yes Permit Number: 041-50435-00015 & 041-50578-00015
Franklin
Elrod Water Co. Inc. dba Hoosier Hills Rural Water District NPDES Final Permit Public Notice [PDF] 09/02/2026 - 09/21/2026 No Permit Number: IN0058947

Project Manager: Wren, Kira
Owens Corning Roofing and Asphalt, LLC NPDES Draft Permit Public Notice [PDF] 08/13/2026 - 09/14/2026 Yes Permit Number: INP000122

Project Manager: Etter, Heidi E
Henry
New Castle Stainless Plate, LLC Notice of 30-Day Period of Public Comment for Draft Air Permit [PDF] 08/05/2026 - 09/04/2026 Yes Permit Number: T065-50357-00003
Randolph
No current public notices.
Rush
Rush County Solid Waste Management District Transfer Station Solid Waste Permit Public Notice [PDF] 08/21/2026 - 09/20/2026 yes Permit Number: 70-003

Project Manager: Ford, Hannah R
Union
No current public notices.
Wayne
Town of Hagerstown Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 08/20/2026 - 09/08/2026 No Permit Number: IN0020010

Project Manager: Kasuboski, Jordan

Northeast Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Adams
City of Berne Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 09/09/2026 - 10/09/2026 Yes Permit Number: IN0021369

Project Manager: Ehlinger, Sierra
Thunderbird Products Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/01/2026 - 10/01/2026 Yes Permit Number: T 001-49940-00031 & 001-50505-00031
Gilpin Products, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/10/2026 - 09/09/2026 Yes Permit Number: 001-49955-00015
Decatur Water Department/2025 Water Utility Improvements - Water Main & Lead Service Line Replacement - Contract C Drinking Water Construction Permit Public Notice [PDF] 08/06/2026 - 09/07/2026 No Permit Number: 13127

IDEM ID Number: 5201002

Corps of Engineers ID Number: 19700508

Project Manager: Prater, Matthew
Decatur Water Department/2025 Water Utility Improvements - Water Main & Lead Service Line Replacement - Contract B Drinking Water Construction Permit Public Notice [PDF] 08/06/2026 - 09/07/2026 No Permit Number: 13126

IDEM ID Number: 5201002

Corps of Engineers ID Number: 19700508

Project Manager: Prater, Matthew
Decatur Water Department/2025 Water Utility Improvements - Water Main & Lead Service Line Replacement - Contract A Drinking Water Construction Permit Public Notice [PDF] 08/06/2026 - 09/07/2026 No Permit Number: 13125

IDEM ID Number: 5201002

Corps of Engineers ID Number: 19700508

Project Manager: Prater, Matthew
Allen
Brooks Construction Company Inc Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/14/2026 - 10/14/2026 Yes Permit Number: 777-50642-05190
Allen Station 401 Water Quality Permit Public Notice [PDF] 09/08/2026 - 09/28/2026 Yes IDEM ID Number: WQC001500

Project Manager: Barton, Ryland
Main Aboite Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 09/08/2026 - 09/28/2026 No Permit Number: IN0035378

Project Manager: Eilerman, Nicholas
AEP Indiana Michigan Transmission Company 401 Water Quality Permit Public Notice [PDF] 09/02/2026 - 09/22/2026 Yes IDEM ID Number: WQC001506

Project Manager: Sarles, Ella H
Allen Co. Bridge No. 02-00024 over Oberhaltzer Ditch 401 Water Quality Permit Public Notice [PDF] 08/28/2026 - 09/18/2026 Yes IDEM ID Number: WQC001493

Corps of Engineers ID Number: LRE-2026-00328-102-N26

Project Manager: Cohen, L David
Maysville Regional Water & Sewer District/North Tower Rehabilitation Drinking Water Construction Permit Public Notice [PDF] 08/28/2026 - 09/28/2026 No Permit Number: 13161

IDEM ID Number: 5202037

Corps of Engineers ID Number: 12000721

Project Manager: Prater, Matthew
Dana Light Axle, LLC NPDES Final Permit Public Notice [PDF] 08/28/2026 - 09/14/2026 No Permit Number: IN0000388

Project Manager: Wray, Jodi M
StonCor Group, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/27/2026 - 09/26/2026 Yes Permit Number: 003-50587-00389
Bailey Aggregates, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/24/2026 - 09/23/2026 Yes Permit Number: M777-50580-05628
Graber Cabinetry, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/20/2026 - 09/19/2026 Yes Permit Number: 003-50419-00304
Northeastern REMC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/12/2026 - 09/11/2026 Yes Permit Number: 003-50459-00558
Blackford
Prairie Creek Wind Project 401 Water Quality Permit Public Notice [PDF] 09/08/2026 - 09/28/2026 Yes IDEM ID Number: 2024-26-5-EJW-A

Corps of Engineers ID Number: LRL-2022-5 05-sjk

Project Manager: Barton, Ryland
DeKalb
City of Butler Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 08/28/2026 - 09/28/2026 Yes Permit Number: IN0022462

Project Manager: Hanko, Jay
Eaton Corporation R&D Lab Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/24/2026 - 09/23/2026 Yes Permit Number: F033-50330-00079
City of Garrett Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 08/24/2026 - 09/24/2026 Yes Permit Number: IN0022969

Project Manager: Hanko, Jay
Town of Waterloo Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 08/21/2026 - 09/21/2026 Yes Permit Number: IN0020711

Project Manager: Clements, Samantha
Grant
Texas Eastern Transmission, LP - Gas City Compressor Station Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/02/2026 - 10/02/2026 Yes Permit Number: 053-50456-00040
Huntington
RTX Corporation NPDES Final Permit Public Notice [PDF] 09/02/2026 - 09/21/2026 No Permit Number: IN0062651

Project Manager: Ruiz, Brodyn R
Andrews Water Department
Town Air Stripper System Upgrade
Drinking Water Construction Permit Public Notice [PDF] 08/25/2026 - 09/24/2026 No Permit Number: 13140

IDEM ID Number: 5235001

Corps of Engineers ID Number: 11700152

Project Manager: Prater, Matthew
Town of Mount Etna Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 08/25/2026 - 09/25/2026 Yes Permit Number: IN0058963

Project Manager: Hanko, Jay
Keystone Automotive Industries, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/20/2026 - 09/19/2026 Yes Permit Number: F069-50371-00100
Huntington Water Department/Proposed Well 21 Drinking Water Construction Permit Public Notice [PDF] 08/19/2026 - 09/18/2026 No Permit Number: 13159

IDEM ID Number: 5235005

Corps of Engineers ID Number: 10100303

Project Manager: Prater, Matthew
Warren Municipal Water Works Wellhead Protection Plan Phase Public Notice [PDF] 08/14/2026 - 09/04/2026 No IDEM ID Number: 5235012

Project Manager: Walker, Christian
Novae, LLC NPDES Draft Permit Public Notice [PDF] 08/11/2026 - 09/10/2026 Yes Permit Number: INP000763

Project Manager: Deboy, Devery J
Keystone Automotive Industries, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/06/2026 - 09/05/2026 Yes Permit Number: F069-50374-00101
Jay
POET Biorefining - Portland, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/27/2026 - 09/26/2026 Yes Permit Number: 075-50447-00032 and 075-50608-00032
LaGrange
Wellspring Components, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/14/2026 - 10/14/2026 Yes Permit Number: 087-50516-00725
River Woodworking, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/09/2026 - 10/09/2026 Yes Permit Number: M087-50635-00074
Bloomfield Schoolhouse Event Center/Well Replacement Drinking Water Construction Permit Public Notice [PDF] 08/10/2026 - 09/09/2026 No Permit Number: 13156

IDEM ID Number: 2440137

Corps of Engineers ID Number: WD - 1451

Project Manager: Prater, Matthew
Noble
Advanced Metal Etching Inc NPDES Draft Permit Public Notice [PDF] 09/09/2026 - 10/09/2026 Yes Permit Number: INP000119

Project Manager: Eilerman, Nicholas
Diamond Lake Gravel Pit NPDES General Permit Public Notice [PDF] 08/27/2026 - 09/14/2026 No Permit Number: ING490172

Project Manager: Burget, Anne
Dollar General - Rome City
New Well Construction
Drinking Water Construction Permit Public Notice [PDF] 08/25/2026 - 09/24/2026 No Permit Number: 13144

IDEM ID Number: 2570098

Corps of Engineers ID Number: 1490 WD PI

Project Manager: Prater, Matthew
Ternet Metal Finishing, Inc. NPDES Draft Permit Public Notice [PDF] 08/13/2026 - 09/14/2026 Yes Permit Number: INP000217

Project Manager: Wren, Kira
Steuben
No current public notices.
Wabash
Prosser Country Estates MHP Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 08/21/2026 - 09/21/2026 Yes Permit Number: IN0062405

Project Manager: Faust, Emily E
Real Alloy Specification, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/12/2026 - 09/11/2026 Yes Permit Number: 169-49822-00010
Wabash Castings, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/03/2026 - 09/02/2026 Yes Permit Number: T169-49823-00042
Wells
No current public notices.
Whitley
Blue Ridge Estates MHC Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 08/31/2026 - 09/30/2026 Yes Permit Number: IN0037729

Project Manager: Faust, Emily E

Northern Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Cass
The Andersons Renewables, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/08/2026 - 10/08/2026 Yes Permit Number: 017-50379-00023 & 017-50399-00023
DTE Logansport, LLC - contractor of The Andersons Renewables, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/08/2026 - 10/08/2026 Yes Permit Number: 017-50381-00063
Elkhart
Jimtown Jr. High & Elementary School
Installation of an ion exchange softener
Drinking Water Construction Permit Public Notice [PDF] 09/08/2026 - 10/08/2026 No Permit Number: 13166

IDEM ID Number: 2200809

Corps of Engineers ID Number: 11100499

Project Manager: Prater, Matthew
Lippert Components, Inc. - Plant 72 Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/08/2026 - 10/08/2026 Yes Permit Number: 039-50730-00498
IFS Coatings, Inc. Notice of 30-Day Period of Public Comment for Draft Air Permit [PDF] 09/04/2026 - 10/04/2026 Yes Permit Number: F039-50417-02039
Herr Custom Paint, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/01/2026 - 10/01/2026 Yes Permit Number: 039-49797-00273
Premier Finishing, LLC Notice of 30-Day Period of Public Comment for Draft Air Permit [PDF] 08/28/2026 - 09/27/2026 Yes Permit Number: 039-50572-02041
Vixen Composites, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/24/2026 - 09/23/2026 Yes Permit Number: 039-50324-00702 & 039-50586-00702
Big Dog Adhesives, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/24/2026 - 09/23/2026 Yes Permit Number: 039-50213-00920
Keystone Recreational Vehicle Co. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/19/2026 - 09/18/2026 Yes Permit Number: 039-50632-00620
Conn-Selmer, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/10/2026 - 09/09/2026 Yes Permit Number: 039-50445-00010
ABL Components, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/10/2026 - 09/09/2026 Yes Permit Number: 039-50455-02040
Forest River Inc., Shasta Division Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/05/2026 - 09/04/2026 Yes Permit Number: 039-50440-00094
Pine Manor, Inc. dba, Miller Poultry Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/04/2026 - 09/03/2026 Yes Permit Number: 039-49966-00231
Fulton
Kewanna Metal Specialties, Inc. NPDES Draft Permit Public Notice [PDF] 08/27/2026 - 09/28/2026 Yes Permit Number: INP000198

Project Manager: Ruiz, Brodyn R
Dollar General - Rochester
New Well Construction
Drinking Water Construction Permit Public Notice [PDF] 08/20/2026 - 09/21/2026 No Permit Number: 13160

IDEM ID Number: 2250031

Corps of Engineers ID Number: 2340-WD/PI

Project Manager: Prater, Matthew
Kosciusko
Akzo Nobel Coatings, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/14/2026 - 10/14/2026 Yes Permit Number: 085-49959-00085
Slate Auto LLC NPDES Draft Permit Public Notice [PDF] 09/10/2026 - 10/13/2026 Yes Permit Number: IN0064959

Project Manager: Wren, Kira
Frontline Manufacturing Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/01/2026 - 10/01/2026 Yes Permit Number: 085-50207-00077
Dollar General - Warsaw
New Well Construction
Drinking Water Construction Permit Public Notice [PDF] 08/25/2026 - 09/24/2026 No Permit Number: 13145

IDEM ID Number: 2430324

Corps of Engineers ID Number: 744 WD PI

Project Manager: Prater, Matthew
Syracuse Water Co.
Water Utility Improvements
Drinking Water Construction Permit Public Notice [PDF] 08/14/2026 - 09/14/2026 No Permit Number: 13139

IDEM ID Number: 5243025

Corps of Engineers ID Number: 111000676

Project Manager: Prater, Matthew
Poly-Wood, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/03/2026 - 09/02/2026 Yes Permit Number: 085-50306-00132
Marshall
Bremen Water Dept. Drinking Water Construction Permit Public Notice [PDF] 08/12/2026 - 09/11/2026 No Permit Number: 13136

IDEM ID Number: 5250003

Corps of Engineers ID Number: 12200587

Project Manager: Prater, Matthew
Queen Road Mobile Home Park Wellhead Protection Program Public Notice [PDF] 08/11/2026 - 09/01/2026 No IDEM ID Number: 5250015

Project Manager: Walker, Christian
Hardwood Interior Design, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/03/2026 - 09/02/2026 Yes Permit Number: 099-50489-00115
Miami
No current public notices.
Pulaski
Town of Winamac Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 08/21/2026 - 09/21/2026 Yes Permit Number: IN0020516

Project Manager: Hanko, Jay
St. Joseph
St. Mary's Riverbank Stabilization 401 Water Quality Permit Public Notice [PDF] 09/04/2026 - 09/25/2026 Yes Permit Number: WQC001513

IDEM ID Number: WQC001513

Corps of Engineers ID Number: LRE-2023-00232

Project Manager: Sarles, Ella H
South Bend Water Works
Well Improvements Cleveland South and Pinhook
Wellhead Protection Program Public Notice [PDF] 09/03/2026 - 10/05/2026 No Permit Number: 13132

IDEM ID Number: 5271014

Corps of Engineers ID Number: 12300262

Project Manager: Prater, Matthew
Curtis Products, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/27/2026 - 09/26/2026 Yes Permit Number: 141-50604-00657
Amazon Data Services, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/17/2026 - 09/16/2026 Yes Permit Number: 141-50312-00650
Remote Controls, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/13/2026 - 09/12/2026 Yes Permit Number: 141-49740-00167
South Bend Water Works
Lathrop Project/Permit Amendment
Drinking Water Construction Permit Public Notice [PDF] 08/06/2026 - 09/07/2026 No Permit Number: 13105

IDEM ID Number: 5271014

Corps of Engineers ID Number: 10707587

Project Manager: Prater, Matthew
Starke
No current public notices.

Northwest Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Jasper
NIPSCO R.M. Schahfer Generating Station

NPDES Draft Permit Public Notice [PDF]

Notice of Public Hearing [PDF]

09/04/2026 - 10/04/2026 Yes Permit Number: IN0053201

Project Manager: Etter, Heidi E

Virtual Public Hearing:
Wednesday, October 7, 2026
5:00 p.m. ET/4:00 p.m. CT
(See Public Hearing Notice for connection details)
EM Materials, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/02/2026 - 10/02/2026 Yes Permit Number: 073-50318-00040
Windy Ridge Dairy, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/27/2026 - 09/26/2026 Yes Permit Number: 073-50482-00044
Riverbox Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 08/27/2026 - 09/14/2026 No Permit Number: IN0058823

Project Manager: Hanko, Jay
Smith Ready Mix Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/10/2026 - 09/09/2026 Yes Permit Number: S777-50395-05624
Lake
Unilever Manufacturing (US), Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/09/2026 - 10/09/2026 Yes Permit Number: 089-50437-00229
Lake George Canal - East 401 Water Quality Permit Public Notice [PDF] 08/28/2026 - 09/18/2026 Yes IDEM ID Number: WQC001511

Project Manager: Wrin, Graham C
Hammond Sanitary District Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/26/2026 - 09/25/2026 Yes Permit Number: 089-50349-00502
Midwest Aerospace, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/25/2026 - 09/24/2026 Yes Permit Number: 089-49982-00713
Indiana American Water Lowell/RTE 2 Commercial Subdivision Drinking Water Construction Permit Public Notice [PDF] 08/13/2026 - 09/14/2026 No Permit Number: 13137

IDEM ID Number: 5245029

Corps of Engineers ID Number: 11100293

Project Manager: Prater, Matthew
Indiana American Water - Lowell/Ironwood Phase 1 Drinking Water Construction Permit Public Notice [PDF] 08/12/2026 - 09/11/2026 No Permit Number: 13138

IDEM ID Number: 5245029

Corps of Engineers ID Number: 12100681

Project Manager: Prater, Matthew
Lakeshore Terminal Railroad, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/10/2026 - 09/09/2026 Yes Permit Number: 089-50463-00732
La Porte
Bluhm County Park Stream and Wetland Restoration Site Section 401 Water Quality Certification Public Notice [PDF] 08/31/2026 - 09/21/2026 Yes IDEM ID Number: WQC001508

Corps of Engineers ID Number: LRE-2023-00699-146

Project Manager: Cohen, L David
Kingsbury Utility Corp.

Land Application Permit Public Notice [PDF]

08/21/2026 - 09/20/2026 Yes Permit Number: IN LA 000732

Project Manager: O'Connell, Morrighan
EZ Liquid Solutions

Land Application Permit Public Notice [PDF]

08/18/2026 - 09/17/2026 Yes Permit Number: IN LA 000934

Project Manager: O'Connell, Morrighan
Newton
No current public notices.
Porter
Louis Dreyfus Company Burns Harbor LLC Notice of 30-Day Period of Public Comment for Draft Air Permit [PDF] 09/14/2026 - 10/14/2026 Yes Permit Number: 127-50571-00025
Valparaiso Dept. of Water Works
VCU Water System Upgrades
Drinking Water Construction Permit Public Notice [PDF] 09/03/2026 - 10/02/2026 No Permit Number: 13163

IDEM ID Number: 5264029

Corps of Engineers ID Number: 12600872

Project Manager: Prater, Matthew
Great Lakes Stevedoring, LLC dba Metro Ports Notice of 30-Day Period of Public Comment for Draft Air Permit [PDF] 08/28/2026 - 09/27/2026 Yes Permit Number: 127-49208-00156
Valparaiso Dept. of Water Works
Raw Water Main Project
Drinking Water Construction Permit Public Notice [PDF] 08/18/2026 - 09/17/2026 No Permit Number: 13158

IDEM ID Number: 5264029

Corps of Engineers ID Number: 10000097

Project Manager: Prater, Matthew
Jet Corr, Inc./Pratt Paper (IN), LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/17/2026 - 09/16/2026 Yes Permit Number: 127-50396-00094 & 127-50401-00094
Beemsterboer Slag Corp., contractor of Cleveland-Cliffs Burns Harbor, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/10/2026 - 09/09/2026 Yes Permit Number: 127-50184-00116 & 127-50498-00116
Valparaiso Dept. of Water Works
Well Construction
Drinking Water Construction Permit Public Notice [PDF] 08/06/2026 - 09/07/2026 No Permit Number: 13155

IDEM ID Number: 5264029

Corps of Engineers ID Number: 10100303

Project Manager: Prater, Matthew

Southeast Indiana

Name of Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Clark
Goodrich Corp. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/31/2026 - 09/30/2026 Yes Permit Number: 019-50494-00138
Memphis Wastewater Treatment Plant Land Application Permit Public Notice [PDF] 08/20/2026 - 09/19/2026 Yes Permit Number: IN LA 000799

Project Manager: Meulen, Nicholas
Henryville Lagoon Treatment Land Application Permit Public Notice [PDF] 08/18/2026 - 09/17/2026 Yes Permit Number: IN LA 000794

Project Manager: Meulen, Nicholas
E.M.S. Jefferson Barge Cleaning NPDES Draft Permit Public Notice [PDF] 08/04/2026 - 09/03/2026 Yes Permit Number: IN0064950

Project Manager: Wren, Kira
Dearborn
Dearborn County Lateral Project Section 401 Water Quality Certification Public Notice [PDF] 09/11/2026 - 10/02/2026 Yes IDEM ID Number: WQC001507

Corps of Engineers ID Number: LRL-2026-0032

Project Manager: Barton, Ryland
Fortis Security Products Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/06/2026 - 09/05/2026 Yes Permit Number: 029-50425-00042
Floyd
City of New Albany Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 08/21/2026 - 09/21/2026 Yes Permit Number: IN0023884

Project Manager: Hanko, Jay
Harrison
Mulzer Crushed Stone, Inc. New Amsterdam Quarry NPDES Final Permit Public Notice [PDF] 09/03/2026 - 09/21/2026 No Permit Number: IN0060895

Project Manager: Wray, Jodi M
Berkshire Pointe - New Salisbury Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 08/28/2026 - 09/28/2026 Yes Permit Number: IN0042005


Project Manager: Hanko, Jay

Ramsey Water Company, Inc.
Pennington Chapel Booster Station
Drinking Water Construction Permit Public Notice [PDF] 08/05/2026 - 09/04/2026 No Permit Number: 13154

IDEM ID Number: 5231005

Corps of Engineers ID Number: 19800122

Project Manager: Prater, Matthew
Jackson
Valeo North America, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/18/2026 - 09/17/2026 Yes Permit Number: 071-50392-00006
Rose Acre Farms, Inc. - Cort Acre Egg Farm Land Application Permit Public Notice [PDF] 08/13/2026 - 09/12/2026 Yes Permit Number: IN LA 000430

Project Manager: Meulen, Nicholas
Jefferson
City of Madison Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 09/11/2026 - 10/13/2026 Yes Permit Number: IN0025666

Project Manager: Ehlinger, Sierra
Madison Precision Products, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 09/01/2026 - 10/01/2026 Yes Permit Number: 077-50351-00019
Stucker Fork Water Utility – Marble Hill NPDES Final Permit Public Notice [PDF] 08/27/2026 - 09/14/2026 No Permit Number: IN0064955

Project Manager: Ruiz, Brodyn R
Jennings
No current public notices.
Ohio
No current public notices.
Ripley
Town of Napoleon Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 08/05/2026 - 08/24/2026 No Permit Number: IN0023868

Project Manager: Daniels, Kendall E
Scott
Indiana DNR Section 401 Water Quality Certification Public Notice [PDF] 09/08/2026 - 09/28/2026 Yes IDEM ID Number: WQC001514

Project Manager: Sarles, Ella H
Switzerland
No current public notices.
Washington
East Washington Rural Water/Storage Facility Construction Drinking Water Construction Permit Public Notice [PDF] 09/09/2026 - 10/09/2026 No Permit Number: 13151

IDEM ID Number: 5288002

Corps of Engineers ID Number: 10100224

Project Manager: Prater, Matthew
West Washington Elementary and High School NPDES Final Permit Public Notice [PDF] 08/20/2026 - 09/08/2026 No Permit Number: IN0031577

Project Manager: Kasuboski, Jordan

Southwest Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Crawford
No current public notices.
Daviess
brightSTAR Washington, LLC Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 08/27/2026 - 09/28/2026 Yes Permit Number: IN0038415

Project Manager: Kasuboski, Jordan
Dubois
Patoka Lake Regional Water
WTP Expansion
Drinking Water Construction Permit Public Notice [PDF] 09/04/2026 - 10/05/2026 No Permit Number: 13164

IDEM ID Number: 5219012

Corps of Engineers ID Number: 11800826

Project Manager: Prater, Matthew
MasterBrand Cabinets, LLC Notice of 30-Day Public Comment for Draft Air Permit [PDF] 08/31/2026 - 09/30/2026 Yes Permit Number: 037-50466-00051 & 037-50528-00051
Gibson
Gibson Generating Station South Ash Basin System Solid Waste Permit Public Notice [PDF] 09/01/2026 - 09/16/2026 No Permit Number: 26-UP-12

Project Manager: Ford, Hannah R
Greene
No current public notices.
Knox
Town of Sandborn Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF] 09/14/2026 - 10/14/2026 Yes Permit Number: IN0062685

Project Manager: Faust, Emily E
No current public notices.
Lawrence
Heidelberg Materials LLC (formerly Lehigh Cement) Solid Waste Notices of Decision [PDF] 09/09/2026 - 09/24/2026 No Permit Number: 47-05

Project Manager: Fracetti, Juliana
Martin
Crane Naval Surface Warfare Center Hazardous Waste Permit Public Notice [PDF] 09/08/2026 - 10/08/2026 No Permit Number: IN5170023498

Project Manager: WORKMAN, JEFF
Naval Surface Warfare Center – Crane Division NPDES Final Permit Public Notice [PDF] 08/27/2026 - 09/14/2026 No Permit Number: IN0021539

Project Manager: Wray, Jodi M
United States Gypsum Co. Notice of 30-Day Public Comment for Draft Air Permit [PDF] 08/19/2026 - 09/18/2026 Yes Permit Number: 101-50579-00001
Orange
Trib. to South Fork Beaver Creek 20104 Section 401 Water Quality Certification Public Notice [PDF] 08/20/2026 - 09/10/2026 Yes IDEM ID Number: WQC001505

Project Manager: Plachta, Aimee
Perry
No current public notices.
Pike
AES Indiana Petersburg Generating Station NPDES Draft Permit Public Notice [PDF] 09/08/2026 - 10/08/2026 Yes Permit Number: IN0002887

Project Manager: Wray, Jodi M
Triad Mining, LLC - Log Creek & Rough Creek Mines NPDES General Permit Public Notice [PDF] 08/19/2026 - 09/08/2026 No Permit Number: ING040217

Project Manager: Burget, Anne
Posey
Mt. Vernon Transfer Terminal, LLC NPDES Final Permit Public Notice [PDF] 08/31/2026 - 09/18/2026 No Permit Number: IN0049760

Project Manager: Wray, Jodi M
Oliver Storage Field Project Section 401 Water Quality Certification Public Notice [PDF] 08/27/2026 - 09/17/2026 Yes IDEM ID Number: WQC001465

Project Manager: Cohen, L David
GAF Building Materials Manufacturing, LLC NPDES Draft Permit Public Notice [PDF] 08/27/2026 - 09/28/2026 Yes Permit Number: IN0051667

Project Manager: Deboy, Devery J
West Franklin Coal Transfer Facility NPDES Draft Permit Public Notice [PDF] 08/27/2026 - 09/28/2026 Yes Permit Number: IN0063738

Project Manager: Deboy, Devery J
Consolidated Grain and Barge Company, Inc. Notice of 30-Day Public Comment for Draft Air Permit [PDF] 08/24/2026 - 09/23/2026 Yes Permit Number: 129-50354-00035 and 129-50365-00035
CountryMark Refining and Logistics, LLC Notice of 30-Day Public Comment for Draft Air Permit [PDF] 08/20/2026 - 09/19/2026 Yes Permit Number: 129-50133-00003 and 129-50297-00003
Spencer
St. Meinrad Archabbey Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 08/20/2026 - 09/08/2026 No Permit Number: IN0044482

Project Manager: Clements, Samantha
Centerpoint Y-72 Maintenance Project Section 401 Water Quality Certification Public Notice [PDF] 08/17/2026 - 09/05/2026 Yes IDEM ID Number: WQC001504

Project Manager: Barton, Ryland
Vanderburgh
Azteca Milling, L.P. Notice of 30-Day Public Comment for Draft Air Permit [PDF] 09/01/2026 - 10/01/2026 Yes Permit Number: 163-50135-00107
ADM Grain Co. Notice of 30-Day Public Comment for Draft Air Permit [PDF] 08/25/2026 - 09/24/2026 Yes Permit Number: 163-50424-00039
Warrick
Town of Tennyson Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 08/20/2026 - 09/08/2026 No Permit Number: IN0041670

Project Manager: Clements, Samantha
SIGECO F.B. Culley Generating Station NPDES Final Permit Public Notice [PDF] 08/14/2026 - 09/01/2026 No Permit Number: IN0002259

Project Manager: Etter, Heidi E
Warrick County River Terminal NPDES Draft Permit Public Notice [PDF] 08/03/2026 - 09/02/2026 Yes Permit Number: IN0048429

Project Manager: Wren, Kira

Western Indiana

Name of Facility/Project Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-county Notices
No current public notices.
Benton
Trunkline Gas Company, LLC - Ambia Compressor Station Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/19/2026 - 09/18/2026 Yes Permit Number: 007-50316-00014
Carroll
No current public notices.
Clay
Great Dane Trailers NPDES Final Permit Public Notice [PDF] 08/28/2026 - 09/15/2026 No Permit Number: INP000037

Project Manager: Deboy, Devery J
Fountain
No current public notices.
Montgomery
Town of Waynetown Wastewater Treatment Plant Drinking Water Construction Permit Public Notice [PDF] 08/28/2026 - 09/28/2026 Yes Permit Number: IN0020524

Project Manager: Faust, Emily E
Owen
No current public notices.
Parke
No current public notices.
Putnam
No current public notices.
Sullivan
Sunrise Energy, LLC Notice of 30-Day Period of Public Comment for Draft Air Permit [PDF] 09/10/2026 - 10/10/2026 Yes Permit Number: M153-50509-00037
Sullivan-Vigo Rural Water Corp. Drinking Water Construction Permit Public Notice [PDF] 09/04/2026 - 10/05/2026 No Permit Number: 13165

IDEM ID Number: 5284021

Corps of Engineers ID Number: 10100200

Project Manager: Prater, Matthew
Tippecanoe
Copper Moon Coffee Notice of 30-Day Period of Public Comment for Draft Air Permit [PDF] 08/28/2026 - 09/27/2026 Yes Permit Number: 157-50388-00468
Rea Magnet Wire Company, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/26/2026 - 09/25/2026 Yes Permit Number: T157-49741-00032
Cargill, Inc. - Soybean Processing Division Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/19/2026 - 09/18/2026 Yes Permit Number: 157-50485-00038 and 157-50495-00038
Vermillion
No current public notices.
Vigo
Novelis Corp. NPDES Draft Permit Public Notice [PDF] 08/31/2026 - 09/30/2026 Yes Permit Number: IN0001627

Project Manager: Ruiz, Brodyn R
Steel Dynamics Heartland, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/20/2026 - 09/19/2026 No Permit Number: 167-50522-00120
Sycamore Ridge Landfill Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/12/2026 - 09/11/2026 Yes Permit Number: 167-50240-00116
Indiana American Water - Terre Haute, Allendale Booster Pump Station Drinking Water Construction Permit Public Notice [PDF] 08/11/2026 - 09/10/2026 No Permit Number: 13157

IDEM ID Number: 5284012

Corps of Engineers ID Number: 12400054

Project Manager: Prater, Matthew
Warren
No current public notices.
White
Bio Town Biogas, LLC and Bio Town Ag, Inc. Notice of 30-Day Period of Public Comment for Draft Air Permit [PDF] 09/10/2026 - 10/10/2026 Yes Permit Number: 181-48639-00057
Liberty High BTU, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/19/2026 - 09/18/2026 Yes Permit Number: 181-49799-00070
Girtz Industries, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 08/04/2026 - 09/03/2026 Yes Permit Number: 181-49985-00038

This page is designed to provide public access to all agency public notices for this region as required by statute or rule including: permitting, rulemaking, meeting and hearing notices. Click highlighted links to view additional information related to the notice. Unless otherwise noted, contact information is included on the notices.

The IN.gov News and Events Calendar provides information on public meetings that do not require public notice.

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Rules and Regulatory Notices

IDEM regularly notifies the public about rulemaking activities via official public notices in the Indiana Register. Relevant information, public hearing dates, and agency points of contact are included in the notices.

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A nonrule policy document (NPD) is intended to clarify for the public IDEM's interpretation of an environmental statute or rule. IDEM Nonrule Policies are not intended by the agency to have the effect of law, however, per Indiana Code 13-14-1-11.5, they are made available for public comment on the agency internet website for at least 45 days. After the comment period ends, the appropriate state environmental board(s) are briefed, and 30 days later the NPD(s) become effective and are sent for publication in the Indiana Register.

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The Citizens’ Guide to IDEM describes the agency’s permitting and environmental cleanup programs. The guide details how citizens can participate when IDEM makes decisions about issuing permits, conducting cleanup actions, preparing environmental reports and plans, and writing environmental rules.