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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: 04/16/2026

Statewide Notices

Name of Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Indian Creek Monroe WatershedNotice of Public Comment Period for the 2026 Assessment of Water Quality Data [PDF]03/30/2026 - 05/15/2026YesProject Manager: Dorothy A. Henthorn

Counties:
Green, Lawrence, Martin, Monroe

Regions:
Central Region & Southwest Region 
Enterprise TE Products CompanyNPDES Draft Permit Public Notice [PDF]03/12/2026 - 04/13/2026YesPermit Number: IN0055859

Project Manager: Marshall, Riley E
Environmental Rules BoardNotice of Public Hearing [PDF]03/05/2026 - 05/07/2026YesProject Manager: Kindrick, Karla

Central Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Bartholomew
Lakeview Villages Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/31/2026 - 04/30/2026YesPermit Number: IN0063860

Project Manager: Clements, Samantha
Town of Elizabethtown Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/24/2026 - 04/13/2026NoPermit Number: IN0039349

Project Manager: Ehlinger, Sierra
Analytical Engineering, Inc.Notice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/17/2026 - 04/16/2026YesPermit Number: 005-49813-00107
Columbus Municipal Utility Drinking Water Construction Permit Public Notice [PDF] 03/10/2026 - 04/09/2026 Yes Permit Number: 13066
 
IDEM ID Number: 5203002
 
Corps of Engineers ID Number: 11500715
 
Project Manager: Prater, Matthew
Indiana Research InstituteNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/05/2026 - 04/04/2026YesPermit Number: 005-49553-00104
Boone
Gorton’s, IncNPDES Draft Permit Public Notice [PDF]03/27/2026 - 04/27/2026YesPermit Number: INP000755

Project Manager: Ruiz, Brodyn R
Town of Advance Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/24/2026 - 04/13/2026 No Permit Number: IN0039705

Project Manager: Daniels, Kendall E
International Paper Company, FKA DS Smith Packaging – Lebanon NPDES Final Permit Public Notice [PDF] 03/23/2026 - 04/10/2026 No Permit Number: INP000698

Project Manager: Warrener, Matt
Brown
Greg Rose Properties Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/31/2026 - 04/20/2026 No Permit Number: IN0063789

Project Manager: Daniels, Kendall E
Clinton
No current public notices.
Hamilton
EMC Precision Machining II, LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/23/2026 - 04/22/2026YesPermit Number: 057-49912-00048
Hancock
Doe Creek Sewer Utility, Inc. Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 04/09/2026 - 04/27/2026 No Permit Number: IN0050148

Project Manager: Ehlinger, Sierra
Hardin PropertyState Isolated Wetland Individual Permit Public Notice [PDF]03/26/2026 - 04/25/2026YesIDEM ID Number: SRIP01394

Project Manager: Cohen, L David
Eden Elementary School Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/26/2026 - 04/27/2026YesPermit Number: IN0049689

Project Manager: Kasuboski, Jordan
Jackson Oil & Solvents, Inc - Greenfield Bulk PlantNPDES Draft Permit Public Notice [PDF]03/24/2026 - 04/23/2026YesPermit Number: IN0060747

Project Manager: Deboy, Devery J
Greenfield Water UtilityDrinking Water Construction Permit Public Notice [PDF]03/17/2026 - 04/16/2026YesPermit Number: 13073
 
IDEM ID Number: 5230004
 
Corps of Engineers ID Number: 10100303
 
Project Manager: Prater, Matthew
Hendricks
W.S. Gibbs Memorial ParkDrinking Water Construction Permit Public Notice [PDF]04/07/2026 - 05/07/2026YesPermit Number: 13081

IDEM ID Number: 2320071

Corps of Engineers ID Number: 2808

Project Manager: Prater, Matthew
West Central Conservancy District Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/23/2026 - 04/10/2026 No Permit Number: IN0051632

Project Manager: Daniels, Kendall E
Daniels PropertyState Regulated Wetland Individual Permit Public Notice [PDF]03/19/2026 - 04/18/2026YesPermit Number: SRIP01391

Project Manager: Gordon-McGlone, Grace
Steel Dynamics, Inc – Engineered Bar Products DivisionNPDES Draft Permit Public Notice [PDF]03/10/2026 - 04/09/2026YesPermit Number: IN0062022

Project Manager: Wray, Jodi M
Howard
Northwestern Elementary and High School WWTPNPDES Final Permit Public Notice [PDF]04/07/2026 - 04/27/2026NoPermit Number: IN0034461

Project Manager: Daniels, Kendall E
Town of Russiaville Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/23/2026 - 04/10/2026 No Permit Number: IN0020532

Project Manager: Kasuboski, Jordan
General Motors Components Holdings LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/18/2026 - 04/17/2026YesPermit Number: 067-49419-00061
Green Acres Subdivision Sewer System Inc. (fka Howard County Utilities, Inc.) Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/18/2026 - 04/06/2026NoPermit Number: IN0063754

Project Manager: Eilerman, Nicholas
Johnson
UBE Engineered Composites NPDES Final Permit Public Notice [PDF] 03/19/2026 - 04/06/2026 Yes Permit Number: INP000295

Project Manager: Ruiz, Brodyn R
NSK CorporationNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/03/2026 - 04/02/2026YesPermit Number: 081-49580-00023
Madison
Warner BodiesNPDES Final Permit Public Notice [PDF]03/17/2026 - 04/06/2026NoPermit Number: INP000662

Project Manager: Ruiz, Brodyn R
Nutrition 101 LLCNPDES Final Permit Public Notice [PDF]03/17/2026 - 04/06/2026NoPermit Number: INP000752

Project Manager: Wray, Jodi M
Roy's RecyclingLand Application Permit Public Notice [PDF]03/06/2026 - 04/05/2026YesPermit Number: IN LA 000731

Project Manager: Meulen, Nicholas
Marion
Citizens Water IndianapolisDrinking Water Construction Permit Public Notice [PDF]04/16/2026 - 05/16/2026YesPermit Number: 13086
 
IDEM ID Number: 5249004
 
Corps of Engineers ID Number: 12401021
 
Project Manager: Prater, Matthew
Henkel B Prof Distribution CenterHazardous Waste Operating Permit Public Notice [PDF]04/06/2026 - 05/07/2026YesPermit Number: INR000145235

Project Manager: O'Brien, Debra L
Rode PropertySection 401 Water Quality Certification Public Notice [PDF]03/30/2026 - 04/20/2026YesPermit Number: WQC001456

Corps of Engineers: ID NumberLRL-2025-00314-JDE
 
Project Manager: Gordon-McGlone, Grace
Citizens Water IndianapolisDrinking Water Construction Permit Public Notice [PDF]03/27/2026 - 04/26/2026YesPermit Number: 13080
 
IDEM ID Number: 5249004
 
Corps of Engineers ID Number: 11200385
 
Project Manager: Prater, Matthew
Southwestway ParkDrinking Water Construction Permit Public Notice [PDF]03/24/2026 - 04/23/2026YesPermit Number: 13078
 
IDEM ID Number: 2493120
 
Corps of Engineers ID Number: 2808 WD
 
Project Manager: Prater, Matthew
CWA Authority, Inc. Southport Advanced Wastewater Treatment FacilityNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/13/2026 - 04/12/2026YesPermit Number: 097-49853-00507
ADM Milling CompanyNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/10/2026 - 04/09/2026YesPermit Number: 097-50074-00016
Monroe
Unionville Elementary School Wastewater Treatment FacilityNPDES Draft Permit Public Notice [PDF]03/19/2026 - 04/20/2026YesPermit Number: IN0041009

Project Manager: Clements, Samantha
Morgan
INDOT SR 67 Small Structure ReplacementsSection 401 Water Quality Certification Public Notice [PDF]04/16/2026 - 05/07/2026YesIDEM ID Number: WQC001460

Project Manager: Wrin, Graham C
Thiesing Veneer Company, Inc. NPDES Final Permit Public Notice [PDF]04/02/2026 - 04/20/2026 No Permit Number: IN0058645

Project Manager: Deboy, Devery J
Country View Estates Wastewater Treatment FacilityNPDES Draft Permit Public Notice [PDF]04/01/2026 - 05/01/2026YesPermit Number: IN0059072

Project Manager: Clements, Samantha
Hill Water CorporationDrinking Water Construction Permit Public Notice [PDF]03/19/2026 - 04/20/2026YesPermit Number: 13075
 
IDEM ID Number: 5255021
 
Corps of Engineers ID Number: 11800786
 
Project Manager: Prater, Matthew
Shelby
ANR REX Shelbyville Meter StationNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/16/2026 - 05/16/2026YesPermit Number: M145-50174-00082
POET Biorefining - Shelbyville, LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/31/2026 - 04/30/2026YesPermit Number: 145-49901-00089 & 145-49972-00089
Shelbyville Water Resource Recovery FacilityNPDES Final Permit Public Notice [PDF]03/19/2026 - 04/06/2026NoPermit Number: IN0032867

Project Manager: Hanko, Jay
Lee Building Products Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/02/2026 - 04/01/2026 Yes Permit Number: M145-49737-00076
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
Honda Development and Manufacturing of America, LLC - Indiana Auto PlantNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/30/2026 - 04/29/2026YesPermit Number: T 031-49663-00026
Delaware
No current public notices.
Fayette
Pleasantview Utilities Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/17/2026 - 04/17/2026YesPermit Number: IN0044776

Project Manager: Daniels, Kendall E.
Franklin
Metamora Regional Sewer District Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF]03/30/2026 - 04/17/2026NoPermit Number: IN0062391

Project Manager: Daniels, Kendall E
Henry
Rumpke Waste Service Indiana, Inc. - Henry County LandfillNotice of 30-Day Period of Public Comment for Draft Air Permit [PDF]04/07/2026 - 05/07/2026YesPermit Number: 065-50066-00036 & 065-50078-00036
South Henry Regional Waste District Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/18/2026 - 04/20/2026YesPermit Number: IN0055131

Project Manager: Eilerman, Nicholas
Randolph
Deerfield Elementary School Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/18/2026 - 04/20/2026YesPermit Number: IN0048267

Project Manager: Daniels, Kendall E
Rush
Greensboro Sand & Gravel Inc. (Rush County Stone Inc.) NPDES General Permit Public Notice [PDF]04/15/2026 - 05/04/2026NoPermit Number: ING490170

Project Manager: Burget, Catherine A
Union
No current public notices.
Wayne
Western Wayne Regional Sewer DistrictLand Application Permit Public Notice [PDF]04/07/2026 - 04/22/2026NoPermit Number: IN LA 000333

Project Manager: Meulen, Nicholas

Northeast Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.  
Adams
Berne Water DepartmentDrinking Water Construction Permit Public Notice [PDF]03/16/2026 - 04/15/2026YesPermit Number: 13072
 
IDEM ID Number: 5201001
 
Corps of Engineers ID Number: 12500624
 
Project Manager: Prater, Matthew
Allen
Northwest Allen County Schools Transportation FacilityIsolated Wetland Individual Permit Public Notice [PDF]03/20/2026 - 04/19/2026YesPermit Number: SRIP01396

Project Manager: Gordon-McGlone, Grace
Allen Co. Indianapolis/ Winters/ Coverdale RAB Project 2300604Section 401 Water Quality Certification Public Notice [PDF]03/16/2026 - 04/01/2026YesIDEM ID Number: WQC001451

Project Manager: Barton, Ryland
Project Zodiac Data Center - Phase 3Section 401 Water Quality Certification Public Notice [PDF]

Notice of Virtual Public Hearing [PDF]
03/13/2026 - 04/27/2026YesIDEM ID Number: WQC001454
 
Corps of Engineers ID Number: LRE-2023-00646-102
 
Project Manager: Harriman, Emersyn N

Virtual Public Hearing:
Thursday, April 30, 2026; 5:00 p.m. 
See the public hearing notice for connection details. 
Master Spas LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/12/2026 - 04/11/2026YesPermit Number: 003-49692-00249
Blackford
Town of Shamrock Lakes Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/19/2026 - 04/20/2026YesPermit Number: IN0049832

Project Manager: Eilerman, Nicholas
DeKalb
Nucor Fastener Sales Corp.NPDES Draft Permit Public Notice [PDF]04/16/2026 - 05/18/2026YesPermit Number: INP000138

Project Manager: Wren, Kira
EcoCentric Oils Inc.NPDES General Permit Public Notice [PDF]03/27/2026 - 04/14/2026NoPermit Number: ING420057

Project Manager: Burget, Catherine A
Grant
Siobud Parc Loop LLC Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/31/2026 - 04/30/2026YesPermit Number: IN0044423

Project Manager: Kasuboski, Jordan
Oak Hill Jr.-Sr. High School Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF]03/27/2026 - 04/14/2026YesPermit Number: IN0037427

Project Manager: Kasuboski, Jordan
Huntington
Bippus Regional Sewer District Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF]03/26/2026 - 04/13/2026NoPermit Number: IN0061310

Project Manager: Daniels, Kendall E
Jay
Tyson Mexican Original, IncNPDES Draft Permit Public Notice [PDF]03/27/2026 - 04/27/2026YesPermit Number: INP000190

Project Manager: Deboy, Devery J
LaGrange
RH Yoder Woodworking, LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/09/2026 - 05/09/2026YesPermit Number: 087-49769-00743
Rock Run Industries, LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/12/2026 - 04/11/2026YesPermit Number: 087-49529-00072
Noble
No current public notices.
Steuben
Hamilton Water DepartmentDrinking Water Construction Permit Public Notice [PDF]03/24/2026 - 04/23/2026YesPermit Number: 13076
 
IDEM ID Number: 5276023
 
Corps of Engineers ID Number: 11700744
 
Project Manager: Prater, Matthew
T & S Equipment CompanyNPDES Draft Permit Public Notice [PDF]03/11/2026 - 04/10/2026YesPermit Number: INP000211

Project Manager: Deboy, Devery J
City of Angola Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]

Extension of Comment Period [PDF] 
02/10/2026 - 04/13/2026YesPermit Number: IN0021296

Project Manager: Eilerman, Nicholas
Wabash
Salamonie Country Estates Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]04/16/2026 - 05/18/2026YesPermit Number: IN0039446

Project Manager: Kasuboski, Jordan
Laketon Refining CorporationNPDES Final Permit Public Notice [PDF]04/14/2026 - 05/04/2026NoPermit Number: IN0063797

Project Manager: Ruiz, Brodyn R
Metal Source, LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/23/2026 - 04/22/2026YesPermit Number: F169-49659-00067
POET Biorefining - North Manchester, LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/20/2026 - 04/19/2026YesPermit Number: 169-50098-00068
Town of LaFontaine Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/19/2026 - 04/06/2026YesPermit Number: IN0020371

Project Manager: Kasuboski, Jordan
Wells
Town of Poneto Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/16/2026 - 04/16/2026YesPermit Number: IN0059048

Project Manager: Daniels, Kendall E
Whitley
Northeastern REMCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/16/2026 - 04/15/2026YesPermit Number: 183-50037-00066

Northern Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Cass
Logansport Municipal UtilitiesDrinking Water Construction Permit Public Notice [PDF]04/15/2026 - 05/15/2026YesPermit Number: 13084
 
IDEM ID Number: 5209012
 
Corps of Engineers ID Number: 910056
 
Project Manager: Prater, Matthew
Logansport Municipal UtilitiesDrinking Water Construction Permit Public Notice [PDF]04/14/2026 - 05/14/2026YesPermit Number: 13083
 
IDEM ID Number: 5209012
 
Corps of Engineers ID Number: 910056
 
Project Manager: Prater, Matthew
Kent Nutrition Group Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/24/2026 - 04/23/2026 Yes Permit Number: 017-49787-00024
The Andersons Renewables, LLC Land Application Permit Public Notice [PDF] 03/24/2026 - 04/08/2026 No Permit Number: IN LA 000928

Project Manager: Meulen, Nicholas
Oak Ridge Recycling & Disposal Facility Solid Waste Permit Public Notice [PDF] 03/23/2026 - 04/09/2026 No Permit Number: 09-02
The Andersons Renewables LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/04/2026 - 04/03/2026 Yes Permit Number: 017-49914-00023 & 017-49947-00023
Elkhart
Jayco, Inc.Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 04/08/2026 - 05/08/2026 Yes Permit Number: 039-49896-00265 and 039-50040-00265
Elkhart County Landfill Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 04/02/2026 - 05/02/2026 Yes Permit Number: T039-49132-00274 & 039-49879-00274
Patrick Industries, Inc. d/b/a Better Way Products Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 04/01/2026 - 05/01/2026 Yes Permit Number: 039-49785-00141
Forest River, Inc. - Goshen Complex Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/30/2026 - 04/29/2026 Yes Permit Number: 039-49706-00011 & 039-49778-00011
Wright Industries Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/27/2026 - 04/26/2026 Yes Permit Number: 039-49969-02032
Superior Industrial Solutions, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/25/2026 - 04/24/2026 Yes Permit Number: 039-49971-00487
Alliance Sheets LLC NPDES Draft Permit Public Notice [PDF] 03/17/2026 - 04/16/2026 Yes Permit Number: INP000754

Project Manager: Warrener, Matt
Coulter LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/06/2026 - 04/05/2026 Yes Permit Number: 039-49521-00454
Custom Wood Products, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/05/2026 - 04/04/2026 Yes Permit Number: 039-49824-00715
Fulton
City of Rochester Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF]04/15/2026 - 05/15/2026YesPermit Number: IN0021661

Project Manager: Eilerman, Nicholas
Kosciusko
Town of Silver Lake Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]04/09/2026 - 05/11/2026YesPermit Number: IN0040649

Project Manager: Hanko, Jay
Warsaw Foundry Company, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/31/2026 - 04/30/2026 Yes Permit Number: 085-49768-00006
Suburban Acres Mobile Home Park Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/30/2026 - 04/17/2026 No Permit Number: IN0025208

Project Manager: Hanko, Jay
Linacast Inc - Linamar Light Metals Pierceton NPDES Final Permit Public Notice [PDF] 03/23/2026 - 04/10/2026 No Permit Number: INP000239

Project Manager: Warrener, Matt
Town of Sidney Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/23/2026 - 04/10/2026 No Permit Number: IN0062642

Project Manager: Gates, Alexandra K
Town of Claypool WWTP NPDES Draft Permit Public Notice [PDF] 03/16/2026 - 04/16/2026 Yes Permit Number: IN0039870

Project Manager: Kasuboski, Jordan
Zimmer Biomet - Plant #5 NPDES Draft Permit Public Notice [PDF] 03/06/2026 - 04/06/2026 Yes Permit Number: IN0064908

Project Manager: Deboy, Devery J
Zimmer Biomet - Plant #19 NPDES Draft Permit Public Notice [PDF] 03/06/2026 - 04/06/2026 Yes Permit Number: IN0064909

Project Manager: Deboy, Devery J
Zimmer Biomet - Plant #3 NPDES Draft Permit Public Notice [PDF] 03/05/2026 - 04/06/2026 Yes Permit Number: IN0064907

Project Manager: Deboy, Devery J
Marshall
Lake of the Woods Regional Sewer District Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/24/2026 - 04/13/2026 No Permit Number: IN0057002

Project Manager: Eilerman, Nicholas
Hardwood Interior Design, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/18/2026 - 04/17/2026 Yes Permit Number: 099-50156-00115
CHaSE Manufacturing, LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/09/2026 - 04/08/2026 Yes Permit Number: 099-49791-00092
AK Industries, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/06/2026 - 04/05/2026 Yes Permit Number: 099-49781-00043
Precision Painting, Inc. Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/03/2026 - 04/02/2026 Yes Permit Number: 099-49726-00096 and 099-49754-00096
Miami
No current public notices.
Pulaski
Galbreath LLC Notice of 30-Day Public Comment Period for Draft Air Permit [PDF] 03/02/2026 - 04/01/2026 Yes Permit Number: 131-49519-00004
St. Joseph
Prairie View Recycling and Disposal Facility NPDES Draft Permit Public Notice [PDF] 03/25/2026 - 04/24/2026 Yes Permit Number: INP000659

Project Manager: Wray, Jodi M
Mishawaka Utilities Water Division NPDES Final Permit Public Notice [PDF] 03/19/2026 - 04/06/2026 Yes Permit Number: IN0061191

Project Manager: Warrener, Matt
Starke
No current public notices.

Northwest Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
Draft Motor Vehicle Emissions Budget (MVEB) Replacement and Emissions Update for the Indiana Portion of the Chicago-Naperville, IL-IN-WI 2008 8-Hour Ozone Standard Maintenance Area Legal Notice [PDF] and Opportunity for Comment on a Draft Document from OAQ Air Programs Branch 03/02/2026 - 04/13/2026 YesMultiple Counties: Lake and Porter
 
Project Manager: Shawn Seals

The document "Draft Motor Vehicle Emissions Budget (MVEB) Replacement and Emissions Update for the Indiana Portion of the Chicago-Naperville, IL-IN-WI 2008 8-Hour Ozone Standard Maintenance Area" is available on the Indiana Departement of Environmental Management's (IDEM's) "Lake and Porter Counties Requests for Redesignation and Maintenance Plans" web page.
Jasper
Bunge North America, Inc.NPDES Final Permit Public Notice [PDF]04/08/2026 - 04/27/2026NoPermit Number: INP000682

Project Manager: Meguschar, John
Lake
Cargill Incorporated, Texturizing SolutionsNPDES Final Permit Public Notice [PDF]04/10/2026 - 04/28/2026NoPermit Number: IN0000027

Project Manager: Meguschar, John
Whiting Clean Energy, Inc.Notice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/09/2026 - 05/09/2026YesPermit Number: 089-50187-00449
MSI Express IncorporatedNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/09/2026 - 05/09/2026YesPermit Number: 089-49951-00476
Calumet Harbor Breakwater RepairSection 401 Water Quality Certification Public Notice [PDF]04/09/2026 - 04/30/2026YesIDEM ID Number: WQC001459

Project Manager: Barton, Ryland
BP Products North America Inc - Whiting Business UnitNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/02/2026 - 05/02/2026YesPermit Number: 089-49994-00453
Family Express #57NPDES General Permit Public Notice [PDF]03/26/2026 - 04/13/2026NoPermit Number: ING420056

Project Manager: Burget, Catherine A
USACE Chicago District Indiana Harbor and Canal Disposal FacilityNPDES Draft Permit Public Notice [PDF]03/25/2026 - 04/24/2026YesPermit Number: IN0062511

Project Manager: Warrener, Matt
Indiana American Water - LowellDrinking Water Construction Permit Public Notice [PDF]03/24/2026 - 04/23/2026YesPermit Number: 13070
 
IDEM ID Number: 5245029
 
Corps of Engineers ID Number: 60910042
 
Project Manager: Prater, Matthew
Indiana American Water - LowellDrinking Water Construction Permit Public Notice [PDF]03/24/2026 - 04/23/2026YesPermit Number: 13069
 
IDEM ID Number: 5245029
 
Corps of Engineers ID Number: 60910042
 
Project Manager: Prater, Matthew
Indiana American Water - LowellDrinking Water Construction Permit Public Notice [PDF]03/24/2026 - 04/23/2026YesPermit Number: 13068
 
IDEM ID Number: 5245029
 
Corps of Engineers ID Number: 60910042
 
Project Manager: Prater, Matthew
Dyer DitchSection 401 Water Quality Certification Public Notice [PDF]03/23/2026 - 04/13/2026YesPermit Number: WQC001431

Corps of Engineers ID Number: LRL-2026-48

Project Manager: Gordon-McGlone, Grace
Gary-Chicago International Airport, Northwest Cargo AreaState Isolated Wetland Individual Permit [PDF]03/17/2026 - 04/16/2026YesPermit Number: SRIP01393

Project Manager: Gordon-McGlone, Grace
East Chicago Water DepartmentDrinking Water Construction Permit Public Notice [PDF]03/16/2026 - 04/15/2026YesPermit Number: 13071
 
IDEM ID Number: 5245012
 
Corps of Engineers ID Number: 11012145
 
Project Manager: Prater, Matthew
Indiana American Water - LowellDrinking Water Construction Permit Public Notice [PDF]03/11/2026 - 04/10/2026YesPermit Number: 13067
 
IDEM ID Number: 5245029
 
Corps of Engineers ID Number: 11500285
 
Project Manager: Prater, Matthew
BP Products North America Inc. – Whiting RefineryNPDES Final Permit Public Notice [PDF]03/09/2026 - 03/27/2026NoPermit Number: IN0000108

Project Manager: Wray, Jodi M
Whitcomb Street CorridorState Isolated Wetland Individual Permit [PDF]03/06/2026 - 04/03/2026YesIDEM ID Number: SRIP01390
 
Corps of Engineers ID Number: LRC-2025-00540
 
Project Manager: Harriman, Emersyn N
East Chicago Water WorksDrinking Water Construction Permit Public Notice [PDF]03/04/2026 - 04/03/2026YesPermit Number: 13065
 
IDEM ID Number: 5245012
 
Corps of Engineers ID Number: 11012145
 
Project Manager: Prater, Matthew
East Chicago Water WorksDrinking Water Construction Permit Public Notice [PDF]03/04/2026 - 04/06/2026YesPermit Number: 13064
 
IDEM ID Number: 5245012
 
Corps of Engineers ID Number: 11012145
 
Project Manager: Prater, Matthew
La Porte
Northern Indiana Public Service Company (NIPSCO) LLC - Michigan City Generating StationNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/16/2026 - 05/16/2026YesPermit Number: 091-49924-00021
City of La Porte Wastewater Treatment PlantLand Application Permit Public Notice [PDF]04/13/2026 - 05/13/2026YesPermit Number: IN LA 000095

Project Manager: O'Connell, Morrighan
NEXUS IN RNGLand Application Permit Public Notice [PDF]03/20/2026 - 04/19/2026YesPermit Number: IN LA 000926
Town of Kingsford Heights Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/16/2026 - 04/06/2026NoPermit Number: IN0023337

Project Manager: Ehlinger, Sierra
Kingsbury Compost, LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/11/2026 - 04/10/2026YesPermit Number: 091-48744-00193
WM Technologies, LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/09/2026 - 04/08/2026Yes

Permit Number: 091-49655-00020

La Porte Hospital Company, LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/09/2026 - 04/08/2026YesPermit Number: 091-49956-00176
Newton
No current public notices.
Porter
Valparaiso Department of Water Works – Flint Lake PlantNPDES Final Permit Public Notice [PDF]04/14/2026 - 05/04/2026NoPermit Number: IN0042498

Project Manager: Wren, Kira
Lake Louise Dredging Phase 4Section 401 Water Quality Certification Public Notice [PDF]04/02/2026 - 04/24/2026YesIDEM ID Number: WQC001457

Project Manager: Barton, Ryland
PVS Technologies IncNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/02/2026 - 05/02/2026YesPermit Number: 127-49605-00085

Southeast Indiana

Name of Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Clark
Borden Tri-County RegionDrinking Water Construction Permit Public Notice [PDF]03/02/2026 - 04/01/2026YesPermit Number: 13060
 
IDEM ID Number: 5210002
 
Corps of Engineers ID Number10100224
 
Project ManagerPrater, Matthew
Dearborn
Picnic Woods Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/27/2026 - 04/14/2026NoPermit Number: IN0053759

Project Manager: Ehlinger, Sierra
Lawrenceburg Power LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/13/2026 - 04/12/2026YesPermit Number: 029-49344-00033
Floyd
Deerwood Environmental Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/23/2026 - 04/23/2026YesPermit Number: IN0054101

Project Manager: Ehlinger, Sierra
Harrison
No current public notices.
Jackson
City of Seymour Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]04/13/2026 - 05/01/2026NoPermit Number: IN0024473

Project Manager: Kasuboski, Jordan
City of Seymour Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/06/2026 - 04/06/2026YesPermit Number: IN0024473

Project Manager: Kasuboski, Jordan
Jefferson
Indiana-Kentucky Electric Corporation (IKEC) Clifty Creek StationNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/13/2026 - 04/12/2026YesPermit Number: 077-49749-00001
Stucker Fork Water UtilitiesDrinking Water Construction Permit Public Notice [PDF]03/03/2026 - 04/02/2026YesPermit Number: 13063
 
IDEM ID Number: 5272002
 
Corps of Engineers ID Number: 12500884
 
Project Manager: Prater, Matthew
Jennings
Muscatatuck Urban Training CenterNPDES Final Permit Public Notice [PDF]03/26/2026 - 04/13/2026NoPermit Number: IN0062430

Project Manager: Ruiz, Brodyn R
Ohio
No current public notices.
Ripley
Town of Holton Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/17/2026 - 04/17/2026YesPermit Number: IN0109703

Project Manager: Daniels, Kendall E
Scott
MCC Manufacturing, Inc.Notice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/18/2026 - 04/17/2026YesPermit Number: T 143-49133-00007
Switzerland
Camp Livingston Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/27/2026 - 04/27/2026YesPermit Number: IN0038954

Project Manager: Clements, Samantha
Washington
No current public notices.

Southwest Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-County Notices
No current public notices.
Crawford
Aqua Indiana-White Oak Division Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/17/2026 - 04/17/2026YesPermit Number: IN0036200

Project Manager: Hanko, Jay
Daviess
Town of Plainville Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/16/2026 - 04/06/2026NoPermit Number: IN0038296

Project Manager: Ehlinger, Sierra
Dubois
City of Huntingburg Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]04/13/2026 - 05/13/2026YesPermit Number: IN0023124

Project Manager: Eilerman, Nicholas
Wabash Valley ProduceNPDES Draft Permit Public Notice [PDF]03/20/2026 - 04/20/2026YesPermit Number: INP000127

Project Manager: Warrener, Matt
Gibson
Peabody Midwest Mining LLC, Somerville Central MineNPDES General Permit Public Notice [PDF]03/16/2026 - 04/06/2026NoPermit Number: ING040190

Project Manager: Burget, Catherine A
Peabody Midwest Mining LLC, Francisco MineNPDES General Permit Public Notice [PDF]03/16/2026 - 04/06/2026NoPermit Number: ING040037

Project Manager: Burget, Catherine A
Greene
Metal Technologies, Inc.NPDES Final Permit Public Notice [PDF]04/10/2026 - 05/04/2026NoPermit Number: INP000654

Project Manager: Meguschar, John
Town of Worthington Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/23/2026 - 04/10/2026 No Permit Number: IN0040801

Project Manager: Hanko, Jay
Eastern Greene High School Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/19/2026 - 04/20/2026YesPermit Number: IN0062723

Project Manager: Daniels, Kendall E
Knox
Peabody Midwest Mining LLC, Air Quality Hart St. Portal MineNPDES General Permit Public Notice [PDF]04/09/2026 - 04/27/2026NoPermit Number: ING040134

Project Manager: Burget, Catherine A
Lawrence
Briarwood Subdivision WWTPNPDES Draft Permit Public Notice [PDF]04/07/2026 - 05/07/2026YesPermit Number: IN0038920

Project Manager: Clements, Samantha
Camp Rivervale Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/30/2026 - 04/30/2026YesPermit Number: IN0037281

Project Manager: Clements, Samantha
Martin
No current public notices.
Orange
Town of French Lick Wastewater Treatment Plant NPDES Draft Permit Public Notice [PDF]03/18/2026 - 04/20/2026YesPermit Number: IN0022951

Project Manager: Ehlinger, Sierra
Perry
MEG 2 LLC fka ORG Chem Group LLC NPDES Final Permit Public Notice [PDF]03/27/2026 - 04/14/2026 No Permit Number: INP000046

Project Manager: Warrener, Matt
Pike
Midwestern Gas Transmission Company - Station 2110Notice of 30-Day Public Comment for Draft Air Permit [PDF]04/14/2026 - 05/14/2026YesPermit Number: 125-50151-00004
City of Petersburg Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/17/2026 - 04/17/2026YesPermit Number: IN0024325

Project Manager: Hanko, Jay
Posey
Town of Poseyville Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/27/2026 - 04/14/2026 No Permit Number: IN0040517

Project Manager: Daniels, Kendall E
North Posey Junior-Senior High School Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/16/2026 - 04/06/2026NoPermit Number: IN0037249

Project Manager: Ehlinger, Sierra
Spencer
Cleveland-Cliffs Steel Corporation - Rockport WorksNPDES Draft Permit Public Notice [PDF]04/16/2026 - 05/16/2026YesPermit Number: IN0059650

Project Manager: Wren, Kira
Rockport North Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/26/2026 - 04/13/2026NoPermit Number: IN0061662

Project Manager: Eilerman, Nicholas
Vanderburgh
RESRG Automotive Trim, LLCNotice of 30-Day Public Comment for Draft Air Permit [PDF]04/16/2026 - 05/16/2026YesPermit Number: M163-49719-00017
Evansville Water UtilityDrinking Water Construction Permit Public Notice [PDF]04/10/2026 - 05/10/2026YesPermit Number: 13082
 
IDEM ID Number: 5282002
 
Corps of Engineers ID Number: 12200580
 
Project Manager: Prater, Matthew
Warrick
Liberty Mine (owned by ALCOA Fuels Inc.)NPDES General Permit Public Notice [PDF]04/09/2026 - 04/27/2026NoPermit Number: ING040256

Project Manager: Burget, Catherine A
Horner Industrial Services, Inc.Notice of 30-Day Public Comment for Draft Air Permit [PDF]03/25/2026 - 04/24/2026YesPermit Number: M173-50004-00025
Prime Foods, LLCNPDES Draft Permit Public Notice [PDF]03/23/2026 - 04/22/2026YesPermit Number: INP000715

Project Manager: Wren, Kira
Hoosier Stamping & Mfg Corp dba Hoosier WheelNPDES Draft Permit Public Notice [PDF]03/12/2026 - 04/13/2026YesPermit Number: INP000298

Project Manager: Wray, Jodi M
Organics Southern LLC Land Application Permit Public Notice [PDF] 03/03/2026 - 04/02/2026 Yes Permit Number: INLA 000909

Project Manager: O'Connell, Morrighan

Western Indiana

Name or Facility Type of Notice/Event Publication Dates Public Comment? Additional Information
Multi-county Notices
Bio Town Ag, Inc.Land Application Permit Public Notice [PDF]04/10/2026 - 04/25/2026NoPermit Number: IN LA 000795

Project Manager: O'Connell, Morrighan

Counties:
Tippecanoe and White County 
Benton
Benton Central Jr./Sr. High School Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/23/2026 - 04/10/2026 No Permit Number: IN0021164

Project Manager: Daniels, Kendall E
Carroll
No current public notices.
Clay
Town of Clay City Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/31/2026 - 04/20/2026NoPermit Number: IN0039861

Project Manager: Ehlinger, Sierra
Fountain
MasterGuard Corp.Notice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/16/2026 - 05/16/2026YesPermit Number: 045-49586-00011
Town of Kingman Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/30/2026 - 04/17/2026 No Permit Number: IN0039390

Project Manager: Ehlinger, Sierra
Harrison Steel Castings CompanyNPDES Draft Permit Public Notice [PDF]03/05/2026 - 04/06/2026YesPermit Number: IN0002348

Project Manager: Marshall, Riley E
Montgomery
No current public notices.
Owen
BBP Water CorporationNPDES Draft Permit Public Notice [PDF]03/11/2026 - 04/10/2026YesPermit Number: IN0064475

Project Manager: Wren, Kira
Parke
No current public notices.
Putnam
Greencastle Water Treatment Plant NPDES Final Permit Public Notice [PDF]04/02/2026 - 04/20/2026NoPermit Number: IN0058459

Project Manager: Warrener, Matt
Greencastle Department of WaterDrinking Water Construction Permit Public Notices [PDF]03/02/2026 - 04/01/2026YesPermit Number: 13062
 
IDEM ID Number: 5267004

Corps of Engineers ID Number: 1010222

Project Manager: Prater, Matthew
Sullivan
Sycamore Riverside Energy LLCNPDES Draft Permit Public Notice [PDF]04/16/2026 - 05/16/2026YesPermit Number: IN0064954

Project Manager: Marshall, Riley E
Maple Creek Energy II LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/02/2026 - 05/02/2026YesPermit Number: 153-49758-00064 and 153-49555-00064
Maple Creek Energy LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/02/2026 - 05/02/2026YesPermit Number: 153-49550-00056 & 153-50217-00056
Tippecanoe
Wainwright Middle School Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/27/2026 - 04/14/2026 Yes Permit Number: IN0055697

Project Manager: Ehlinger, Sierra
Evonik Corporation - Tippecanoe LaboratoriesNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/25/2026 - 04/24/2026YesPermit Number: 157-49649-00006
Shadeland Estates Mobile Home Park Wastewater Treatment PlantNPDES Draft Permit Public Notice [PDF]03/18/2026 - 04/20/2026YesPermit Number: IN0047082

Project Manager: Ehlinger, Sierra
Lafayette Water WorksDrinking Water Construction Permit Public Notices [PDF]03/18/2026 - 04/17/2026YesPermit Number: 13074
 
IDEM ID Number: 5279013
 
Corps of Engineers ID Number: 10809017
 
Project Manager: Prater, Matthew
Mintonye Elementary School Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/17/2026 - 04/06/2026NoPermit Number: IN0037206

Project Manager: Gates, Alexandra K
Tate & Lyle Solutions USA LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/13/2026 - 04/12/2026YesPermit Number: 157-49697-00003 & 157-49735-00003
Vermillion
Town of Dana Wastewater Treatment Plant NPDES Final Permit Public Notice [PDF] 03/19/2026 - 04/06/2026 No Permit Number: IN0063843

Project Manager: Daniels, Kendall E
Vigo
Indiana American Water - Terre HauteDrinking Water Construction Permit Public Notices [PDF]03/25/2026 - 04/24/2026YesPermit Number: 13079
 
IDEM ID Number: 5284012
 
Corps of Engineers ID Number: 60920059
 
Project Manager: Prater, Matthew
ADVICS Manufacturing Indiana LLCNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]03/06/2026 - 04/05/2026YesPermit Number: 167-49763-00131
Warren
No current public notices.
White
Vanguard National Trailer CorporationNotice of 30-Day Public Comment Period for Draft Air Permit [PDF]04/01/2026 - 05/01/2026YesPermit Number: 181-50139-00043
Twin Lakes Regional Sewer District/Rattlesnake Creek Wastewater Treatment PlantNPDES Final Permit Public Notice [PDF]03/18/2026 - 04/06/2026YesPermit Number: IN0062367

Project Manager: Gates, Alexandra K

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.

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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.

Citizen Involvement

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.