If you have questions, please contact the IDEM office identified with each NPD listed below.
- Office of Air Quality
- Office of Land Quality
- Office of Legal Counsel
- Office of Program Support
- Office of Water Quality
| Effective Nonrule Policy Documents | ||||
|---|---|---|---|---|
| Multiple Program Areas | ||||
| ID # | Policy Description | Effective Date | Citation | Contact |
| ENF-001 [PDF] | IDEM's policy for determining penalties for violations of the 1998 UST Upgrade Requirements which go into effect December 23, 1998 | 04/05/1999 | IC 13-23-14 | Office of Legal Counsel, Enforcement Branch |
| ENF-002 [PDF] | Civil Penalty Policy | 04/05/1999 | IC 13-30-4 | Office of Legal Counsel, Enforcement Branch |
| ENF-003-R1 [ZIP] |
Supplemental Environmental Project Policy Application [DOC] | 06/20/2008 | IC 13-11-2-166 42 U.S.C. § 13101 [PDF] | Office of Legal Counsel, Enforcement Branch |
| MP-004-R2 [PDF] |
Self-Disclosure & Environmental Audit Policy View the superseded nonrule policy A-002-OE-06-P-R1 [PDF] | 02/05/2010 | IC 13-11-1 IC 13-11-2-69 IC 13-28-4-7 IC 13-30-3 IC 13-30-4 IC 13-30-7 IC 36-1-2 | Office of Program Support |
| MP-005 [PDF] | Compliance and Enforcement Response Policy | 10/02/2009 | IC 13-30-3-3 IC 13-30-7 IC 13-30-10 IC 13-14-5-3 | Office of Legal Counsel |
| MP-007 [PDF] | Implementation of Ground Water Quality Standards | 12/08/2008 | 327 IAC-2-11-2(e) [PDF] 327 IAC-2-11-2(f) [PDF] 327 IAC-2-11-2(g) [PDF] | Office of Water Quality, Drinking Water Branch |
| MP-008-R [PDF] | Applicability of RCRA Corrective Action Laws to Current Owners of Hazardous Waste Disposal Sites | 11/13/2015 | 42 USC 6901 et seq. 42 USC 9601 et seq. 40 CFR 260.1 40 CFR part 261 Appendix VIII 40 CFR Part 264 Appendix IX 54 Fed. Reg. 41000 329 IAC 3.1 IC 13-11-2 IC 13-14-1-11.5 IC 13-14-13 IC 13-25-4 | Office of Legal Counsel |
| MP-009 [ZIP] | Inspection Right of Access | 12/13/2019 | IC 13-14-1-6 IC 13-14-2-2 IC 13-18-3-9 IC 13-20-13-6 IC 13-23-13-12 IC 13-25-4-6 | Office of Legal Counsel |
| Office of Air Quality | ||||
| ID # | Policy Description | Effective Date | Citation | Contact |
| Air-004 [PDF] | Asbestos Accreditation/Licensing Review Policy | 12/04/1996 | IC 13-17-6 326 IAC 14-10 [PDF] 326 IAC 18-1 [PDF] 326 IAC 18-3 [PDF] | Office of Air Quality, Operations Branch |
| Air-005 [PDF] | Guidance on Definition of "Source" for Collocated Activities | 02/27/1996 | 326 IAC 2-7-1 (21) [PDF] | Office of Air Quality, Permits Branch |
| Air-006 [PDF] | Title V Permitting Issues: definition of "source" and inclusion of on-site contractors under Title V rules | 09/24/1996 | 326 IAC 2-7-1 (21) [PDF] 326 IAC 2-7-2 [PDF] | Office of Air Quality, Permits Branch |
| Air-007-R3 [PDF] | Guidelines for Submittal and Review of Annual Compliance Certifications under the Federally Enforceable State Operating Permit (FESOP) and Part 70 Permit Programs | 12/29/2021 | 326 IAC 2-7-5 326 IAC 2-7-6(5)(C) 326 IAC 2-8-5(a)(1)(C) | Office of Air Quality, Permits Branch |
| Air-011 [PDF] | Provides schedule of source test fees for source tests submitted for IDEM's approval | 04/10/1997 | 326 IAC 2-1.1-7 326 IAC 2-7-19 326 IAC 2-8-16 | Office of Air Quality |
| Air-013 [PDF] | Part 70 Permit Application Requirements - Compliance Certifications and White Paper #1 | 07/09/1997 | 326 IAC 2-7-4 [PDF] 316 IAC 2-8-3 [PDF] | Office of Air Quality, Permits Branch |
| Air-014-R2 [PDF] | Approval and Validation of Alternate Emission Factors | 05/05/2005 | 326 IAC 2-6-4(c)(5)(E) | Office of Air Quality |
| Air-017 [PDF] | Submission of Annual Non-Methane Organic Compound Reports for Municipal Solid Waste Landfills | 04/24/1998 | 326 IAC 8-8 326 IAC 8-8.1 | Office of Air Quality, Compliance and Enforcement Branch |
| Air-019 [PDF] | Current Operating Policy for IDEM-Administered Asbestos Examinations | 08/14/1998 | Office of Air Quality, Operations Branch | |
| Air-0020-NPD-R1 [PDF] | Guidance to predicting high O3 level day for sources subject to 326 I AC 8-13 | 03/11/2022 | 326 IAC 8-13 |
Office of Air Quality, Air Programs Branch, Technical Support & Modeling Section |
| Air-023 [PDF] | Phase II Acid Rain Permit 24 Month Application Requirement (326 IAC 21-1-1) | 06/30/1999 | 326 IAC 21-1-1 [PDF] | Office of Air Quality, Permits Branch |
| Air-027 [ZIP] | Open Burning of Motor Vehicles for Firefighter Training | 05/12/2001 | 326 IAC 4-1-4.1 | Office of Air Quality |
| Air-029 [PDF] | Fugitive Dust from Coal Mines | 04/05/2002 | 326 IAC 6-4 | Office of Program Support, Southwest Regional Office |
| Air-031 [PDF] | Guidance for the Interpretation of the Term "Emission Data" | 01/02/2004 | Office of Air Quality | |
| Air-032 [PDF] | Stage II Vapor Recovery for E85 Fuel Blends | 07/06/2007 | 326 IAC 8-4-6(c)(2)(A)(i) | Office of Air Quality, Compliance and Enforcement Branch |
| Air-033 [PDF] | Air Permit Applications: Notices of Deficiency and Placing Applications on Hold | 10/31/2008 | 326 IAC 2-7 326 IAC 2-8 | Office of Air Quality, Permits Branch |
| Air-034 [ZIP] | Guidelines for Approval and Use of Representative Stack Test Data | 02/03/2010 | 326 IAC 2 | Office of Air Quality |
| Air-035 [ZIP] | Permitting Ethanol Production Facilities | 03/15/2011 | 326 IAC 2-2-1 326 IAC 2-3-2 326 IAC 2-7-1 | Office of Air Quality, Permits Branch |
| Air-036 [PDF] | Stage II Vapor Recovery System for Gasoline Dispensing Facilities in Clark, Floyd, Lake and Porter Counties, Indiana | 04/12/2013 | 326 IAC 8-4-6(c) | Office of Air Quality |
| Air-038 [PDF] | Permitting of Activities Located at Livestock Production Operations including Concentrated Animal Feeding Operations | 02/13/2015 | 326 IAC 2 | Office of Air Quality, Compliance and Enforcement Branch |
| Air-039 [PDF] | Permitting of Activities Located at Crop Production Operations | 02/13/2015 | 326 IAC 2 | Compliance and Enforcement Branch |
| Air-040 [ZIP] | Revocation of Air Construction and/or Operating Permits | 11/10/2017 | IC 4-21.5 | Office of Air Quality, Permits Branch |
| Air-042-NPD [PDF] | Municipal Solid Waste Landfills and Applicability of 326 IAC 8-8 and 326 IAC 8-8.1 | 10/14/2022 | 40 CFR 60, Subpart Cf [PDF] 40 CFR 60, Subpart WWW [PDF] 40 CFR 62, Subpart OOO [PDF] 326 IAC 8-8 [PDF] 326 IAC 8-8.1 [PDF] 326 IAC 2-7 [PDF] | Compliance and Enforcement Branch |
| Office of Land Quality | ||||
| ID # | Policy Description | Effective Date | Citation | Contact |
| Waste-0001 [PDF] | Guidance Interpreting Indiana Municipal Solid Waste Landfill Operational Regulations | 11/18/1996 | 329 IAC 10 [PDF] | Office of Land Quality, Solid Waste Permits Section |
| Waste-0002 [PDF] | Guidance Interpreting the $0.50/Ton Solid Waste Management Fee | 12/19/1996 | IC 13-20-22 | Office of Land Quality, Solid Waste Permits Section |
| Waste-0003 [PDF] | Guidance for Statistical Evaluation Plan Preparation and Review | 02/06/1997 | 329 IAC 10-21-6 [PDF] 329 IAC 10-21-8 [PDF] | Office of Land Quality, Permits Branch, Geology Section |
| Waste-0005 [PDF] | Disposal of Empty Containers as Solid Waste |
05/09/1997 Revised 02/14/2005 | 40 CFR 261.31, .32, .33 329 IAC 3.1-6-1(b) | Office of Land Quality, Compliance and Response Branch |
| Waste-0006 [PDF] | Waste Status of Chromated Copper Arsenate Treated Wood |
05/09/1997 Revised 03/01/2014 | 40 CFR 261.4(b)(9) 329 IAC 10-2-179(b)(2) [PDF] 329 IAC 10 [PDF] | Office of Land Quality, Compliance and Response Branch |
| Waste-0007 [PDF] | Important Notice Regarding Whole Waste Tire Disposal Ban | 05/30/1997 | IC 13-20-14 [PDF] | Office of Land Quality, Compliance and Response Branch |
| Waste-0008 [PDF] | Management of Hazardous Waste Residues Removed from Empty Containers | 06/27/1997 | 40 CFR 261.7(a)(1) | Office of Land Quality, Compliance and Response Branch |
| Waste-0011 [PDF] | Staging Policy for Permitted Hazardous Waste Management Facilities | 06/27/1997 | 40 CFR 264 40 CFR 270 | Office of Land Quality, Hazardous Waste Permits Section |
| Waste-0015 [PDF] |
RCRA Closure and Corrective Action Program RCRA Closure and Corrective Action Program Guide [PDF] | 12/09/2022 | Risk-based Closure Guide [PDF] Risk-based Closure Guide NPD [PDF] | Office of Land Quality, Remediation Branch |
| Waste-0016 [PDF] | Container Stacking Policy |
10/14/1997 Revised 03/01/2014 |
329 IAC 3.1 - 10.1 [PDF] 40 CFR 265 31 & 35 40 CFR 265.174 | Office of Land Quality, Compliance and Response Branch |
| Waste-0018 [PDF] | Hazardous Waste Personnel Training | 10/14/1997 | 329 IAC 3.1-7 & 10 [PDF] 40 CFR 262.34(a)(4) 40 CFR 265.16 | Office of Land Quality, Compliance and Response Branch |
| Waste-0019 [PDF] | Important Notice Regarding the Yard Waste Disposal Ban | 10/22/1997 | IC 13-20-9 IC 13-20-10-9 | Office of Land Quality, Compliance and Response Branch |
| Waste-0022 [ZIP] | Regulatory Analysis: "Closed" Containers |
10/14/1997 Revised 03/31/2014 |
329 IAC 3.1 40 CFR 262.34 40 CFR 265.173(a) | Office of Land Quality, Compliance and Response Branch |
| Waste-0025 [PDF] | Guidance on Direct Transfer of Infectious Waste at Non-permitted Transfer Operations | 01/20/1998 | IC 13-11-2-235 IC 16-41-16-4 410 IAC 1-3-24 [PDF] | Office of Land Quality, Solid Waste Permits Section |
| Waste-0026 [PDF] | Post-Closure Uses of Solid Waste Disposal Facilities | 02/25/1998 | 329 IAC 10-23-3 [PDF] | Office of Land Quality, Solid Waste Permits Section |
| Waste-0027 [PDF] | Storage of Type III Foundry Sands Prior To Legitimate Use | 04/09/1998 | IC 13-19-3-7 329 IAC 10-2 [PDF] 329 IAC 10-90 [PDF] | Office of Land Quality, Compliance and Response Branch |
| Waste-0028 [PDF] | Use of Foundry Sands in Accordance with House Enrolled Act 1541 | 04/22/1998 | 329 IAC 10-9 [PDF] IC 13-19-3-7 | Office of Land Quality, Compliance and Response Branch |
| Waste-0029 [PDF] | Disposal Facility Contingency Plan for Improperly Packaged Asbestos Containing Materials | 08/12/1998 | 329 IAC 10-8.1-12(e)(4)(E) [PDF] | Office of Land Quality, Compliance and Response Branch |
| Waste-0030 [PDF] | Clarification of "Vault" and "Liner" Definitions | 09/23/1998 | Office of Land Quality, Compliance and Response Branch | |
| Waste-0031 [PDF] | Waste Classification of Railroad Ties and Utility Poles | 09/23/1998 | 329 IAC 10 [PDF] | Office of Land Quality, Compliance and Response Branch |
| Waste-0033 [PDF] | Collecting Static Water Level Measurements and Developing Groundwater Flow Maps | 03/25/1999 |
40 CFR 261.4(b)(9) 329 IAC 10-2 [PDF] 329 IAC 10-2-179(b)(2) [PDF] 329 IAC 10 [PDF] | Office of Land Quality, Permits Branch, Geology Section |
| Waste-0035 [PDF] | Other Material Storage in Permitted Storage Areas | 09/21/1999 | 40 CFR 264.175 | Office of Land Quality, Compliance and Response Branch |
| Waste-0036 [PDF] | Containment System Guidance for Permitted Container Storage Areas | 09/21/1999 | 329 IAC 3.1-10.1 [PDF] 40 CFR | Office of Land Quality, Engineering Section |
| Waste-0038 [PDF] | Property Containing Contaminated Aquifers/Underground Storage Tanks | 04/20/2000 | IC 13-23 329 IAC 9 [PDF] | Office of Land Quality, Petroleum Branch |
| Waste-0040 [PDF] | Use of Foundry Sand in Land Application and as a Soil Amendment | 04/20/2000 | IC 13-11-2-114.2 IC 13-19-3-7 PL 30-1999, SEC.5 (noncode) | Office of Land Quality, Industrial Waste Compliance Section |
| Waste-0045 [PDF] | Regulatory Status of Hazardous Waste Evaporators | 11/17/2000 | 329 IAC 3.1 | Office of Land Quality, Compliance and Response Branch |
| Waste-0046-R2 [PDF] | Risk-based Closure Guide [PDF] (formerly known as Remediation Closure Guide) | 07/08/2022 | IC 13-12-3-2 IC 13-25-5-8.5 | Office of Land Quality |
| Waste-0047 [PDF] | Property Containing Contaminated Aquifers | 01/30/1997 | IC 13-24-1 IC 13-25-4 | Office of Land Quality, State Cleanup Section |
| Waste-0050 [PDF] | Equivalent Secondary Containment Devices for Hazardous Waste Tanks Containing Baghouse Dust | 06/21/2002 | 40 CFR 265.193 329 IAC 3.1 | Office of Land Quality, Compliance and Response Branch |
| Waste-0051 [PDF] | Brownfields Program Comfort and Site Status Letters Policy | 04/18/2003 | IC 13-23-13 IC 13-24-1 IC 13-25-4 | Office of Land Quality, Brownfields Section |
| Waste-0053-R1 [PDF] | Drilling Procedures and Monitoring Well Construction Guidelines | 02/20/2024 | IC 25-17.6 IC 25-39 312 IAC 12 312 IAC 13 | Office of Land Quality, Science Services Branch |
| Waste-0056 | Methane Monitoring Program | 03/17/2005 | 329 IAC 10-20-17 | Office of Land Quality, Permits, Geology Section |
| Waste-0057 | Sampling and Analysis of Ground Water for Metals at Remediation Sites | 03/17/2005 | Office of Land Quality, Science Services Branch | |
| Waste-0058 | Use of waste tire chips in on-site sewage systems | 11/17/2005 | 329 IAC 10-3-1 | Office of Land Quality, Compliance and Response Branch |
| Waste-0061 [ZIP] | Contained-in Determination Policy | 04/10/2015 |
329 IAC 3.1 329 IAC 10 | Office of Land Quality, Compliance and Response Branch |
| Waste-0062 [PDF] | Solid Waste Permits and Registrations - Late Renewal Applications Policy | 04/14/2014 | 329 IAC 10 329 IAC 11 329 IAC 11.5 329 IAC 11.6 329 IAC 11.7 329 IAC 15 | Office of Land Quality, Solid Waste Permits Section |
| Waste-0063 [PDF] | Excess Liability Trust Fund Reimbursement of Certain Incidental Materials, Supplies and Equipment Costs, Documentation and IDEM Review Procedures | 03/15/2014 | 328 IAC-1 | Office of Land Quality, Petroleum Branch |
| Waste-0064 [ZIP] | Uncontaminated Soil Policy | 04/10/2015 |
329 IAC 3.1 329 IAC 10 | Office of Land Quality, Compliance and Response Branch |
| Waste-0065 [ZIP] | Procedures for Gaining Access to Third Party Properties by Responsible Parties Performing Remediation | 11/13/2015 |
IC 13-12-3-2 IC 13-22-3 IC 13-22-13 IC 13-23-13 IC 13-24-1 IC 13-25-4 IC 13-25-5 329 IAC 3.1 329 IAC 4 [PDF] 329 IAC 9 [PDF] 329 IAC 10 [PDF] | Office of Land Quality, Petroleum Branch |
| Waste-0066 [ZIP] | Alternate Water Supply | 03/11/2016 | 40 CFR 300.415(a)(2) and (e) Appendix D to 40 CFR Part 300 40 CFR 264.100(e) 40 CFR 264.101(c) IC 13-12-3-2 IC 13-22-13-1 IC 13-23-13-0.2 et seq. IC 13-24-1-1 et seq. IC 13-25-4-0.2 et seq. IC 13-25-5-8.5 312 IAC 13-10 [PDF] 329 IAC 7.1-8-1 [PDF] 329 IAC 9-5-7 [PDF] 329 IAC 10-21-13 [PDF] 329 IAC 10-23-7 [PDF] 329 IAC 10-29-9 [PDF] 329 IAC 10-31-7 [PDF] 329 IAC 10-38-7 [PDF] 329 IAC 11-4-4 [PDF] | Office of Land Quality, Science Services Branch |
| Waste-0067 [PDF] | RCRA Applicability to Baghouse Dust and Dust Collection Storage Tanks | 06/13/2016 | 42 U.S.C. § 6903(5) 40 CFR 60.271(b) 40 CFR 262.11 40 CFR 262.34 40 CFR 265, Subpart J IC 13-11-2-99 IC 13-11-2-223(a) 329 IAC 3.1 | Office of Legal Counsel |
| Waste-0069 [PDF] | Independent Closure Process Guidance | 08/08/2020 | IC 13-11-2-193.5 IC 13-14-2-6 IC 13-23-13-4 IC 13-23-13-5 IC 13-23-13-8 IC 13-24-1-2(b) IC 13-24-1-4 329 IAC 7.1 329 IAC 9 | Office of Land Quality, Petroleum Branch |
| Waste-0070-NPD [ZIP] |
Community Involvement Plan Community Involvement Plan Attachment (September, 2021) [ZIP] | 09/10/2021 | IC 13-11-2-137 IC 13-11-2-151 IC 13-11-2-184 IC 13-14-1-11.5 IC 13-25-5-7 IC 13-25-5-11 IC 25-39-2-10 329 IAC 9-5-8 [PDF] 329 IAC 7.1-2-11 [PDF] 329 IAC 3.1-13-8-13 [PDF] | Office of Land Quality |
| Waste-0071-NPD [ZIP] | Supplemental Sampling Guidance | 12/10/2021 |
IC 13-25-5-8.5 IC 13-11-2-185 IC 13-11-2-187 IC 13-14-1-11.5 IC 4-22-2 | Office of Land Quality |
| Waste-0072-NPD [ZIP] | Supplemental Characterization Guidance | 12/10/2021 | Federal Register, 40 CFR Part 63, Subpart M, July 27, 2006 Federal Register Vol. 62, No. 29, February 12, 1997 IC 13-25-5-8.5 312 IAC 13 IC 4-22-2 IC 13-14-1-11.5 IC 13-11-2-185 IC 13-11-2-187 | Office of Land Quality |
| Waste-0073-NPD [ZIP] | Addressing Methane at Anaerobic Bioremediation Sites | 12/10/2021 |
IC 13-25-5-8.5 329 IAC 10-2-17 IC 13-11-2-185 IC 13-11-2-187 IC 13-14-1-11.5 | Office of Land Quality |
| Waste-0074-NPD [ZIP] | Supplemental Guidance on Engineered Exposure Controls | 12/10/2021 |
IC 13-25-5-8.5 329 IAC 10-2-174 IC 13-11-2-185 IC 13-11-2-187 | Office of Land Quality |
| Waste-0075-NPD [PDF] | Soil Management Plan | 12/09/2022 | Office of Land Quality, Remediation Branch | |
| Waste-0076-NPD [PDF] |
State Cleanup Program State Cleanup Program Guide [PDF] | 12/09/2022 | Office of Land Quality, Remediation Branch, Voluntary Remediation Section | |
| Waste-0077-NPD [PDF] |
Voluntary Remediation Program Voluntary Remediation Program Guide [PDF] | 12/09/2022 | IC 13-25-5-8.5(c) | Office of Land Quality, Remediation Branch, Voluntary Remediation Section |
| Waste-0078-NPD [PDF] | Excess Liability Trust Fund Cost Guidance | 02/26/2022 |
IC 13-23 IC 13-23-9-1.5 IC 13-25-5-8.5 328 IAC 1-1-8.3 328 IAC 1-3-5 329 IAC 9-5-5.1 329 IAC 9-5-6 | Office of Land Quality |
| Waste-0080-NPD [PDF] | Disclosure Statement Requirements for CFO Approval Applications | 10/14/2022 | IC 4-22-2 IC 13-11-2-8(a) IC 13-11-2-40 IC 13-11-2-158(b) IC 13-11-2-191(a) IC 13-14-1-11.5 IC 13-18-10 IC 13-18-10-1.4 IC 13-18-10-2 IC 13-18-10-2.1 IC 13-30-3 327 IAC 19-8-7 [PDF] OEA New Fashion Pork decision [PDF] OEA Milco Dairy decision [PDF] | Office of Land Quality |
| Waste-0081-NPD [PDF] |
Institutional Controls Program Institutional Controls Program Guide [PDF] | 12/09/2022 | IC 13-22 IC 13-23 IC 13-24 IC 13-25 | Office of Land Quality |
| Waste-0082-NPD [PDF] |
Petroleum Remediation Program Petroleum Remediation Program Guide [PDF] | 12/09/2022 | Risk-based Closure Guide [PDF] Risk-based Closure Guide NPD [PDF] Community Involvement Plan [PDF] Community Involvement Plan NPD [PDF] Access to Third Party Properties [PDF] | Office of Land Quality, Petroleum Branch, Petroleum Remediation Section |
| Office of Program Support | ||||
| ID # | Policy Description | Effective Date | Citation | Contact |
| MP-004-R2 [PDF] |
Self-Disclosure & Environmental Audit Policy View the superseded nonrule policy A-002-OE-06-P-R1 [PDF] | 02/05/2010 | IC 13-11-1 IC 13-11-2-69 IC 13-28-4-7 IC 13-30-3 IC 13-30-4 IC 13-30-7 IC 36-1-2 | Office of Program Support |
| OPPTA 0001-05 | Confidentiality and Quality Assurance | 02/19/2006 | IC 13-28 IC 13-30-6 | Office of Program Support |
| OPS-001-R1 [PDF] | Consideration of economic need and displacement of private sector services in source reduction and recycling grants | 12/31/1998 | IC 13-20-22-2.1 | Office of Program Support |
| Office of Water Quality | ||||
| ID # | Policy Description | Effective Date | Citation | Contact |
| Water-003 [PDF] | Combined Sewer Overflow (CSO) Long-Term Control Plan Use Attainability Analysis Guidance | 01/13/2002 | 327 IAC 2 327 IAC 5 | Office of Water Quality |
| Water-005 | Sanitary Sewer Construction Permit Applications For Communities with Combined Sewer Overflow Outfalls | 05/09/2003 | 327 IAC 3-1-1 thru 327 IAC 3-6-32 | Office of Water Quality |
| Water-006 | Wetlands Deed Restriction NPD | 10/14/2005 | IC 13-18-22 327 IAC 17 | Office of Water Quality |
| Water-007 [ZIP] | Compliance and Technical Assistance Program Quality Assurance Guarantee | 02/19/2006 | IC 13-28 IC 13-30-6 | Office of Water Quality |
| Water-008 [PDF] | January 1, 2004, Effective Date for Isolated Wetland Determinations | 09/08/2006 | IC 13-11-2-265 IC 13-18-22-10 327 IAC 17-1-3(1)(A) 327 IAC 17-1-3(1)(B) 327 IAC 17-1-3(7)(A) 327 IAC 17-1-3(7)(B) 327 IAC 17-1-3(7)(C) 327 IAC 17-1-3(7)(D) 327 IAC 17-1-3(7)(H)(i)(CC) 327 IAC 17-1-3(9)(A)(v) 327 IAC 17-1-3(12)(A) 327 IAC 17-1-3(12)(B) 327 IAC 17-4-3(6)(D) | Office of Water Quality |
| Water-009 [PDF] | Determining when Compensatory Mitigation is Complete | 09/08/2006 | 327 IAC 17-1-5 IC 13-18-22-6(b) | Office of Water Quality |
| Water-010 [PDF] | Minimum Success Criteria for Wetland Compensatory Mitigation | 09/08/2006 | 327 IAC 17-1-5 IC 13-18-22-6(b) | Office of Water Quality |
| Water-011 [PDF] | Reasons for Denial of the Issuance of State Regulated Wetland Permits or Sect. 401 Water Quality Certifications | 04/13/2007 | 327 IAC 17-1-8 | Office of Water Quality |
| Water-012 [PDF] | Effect of Amendments to Complete Applications on Statutory Review Deadlines | 04/13/2007 | 327 IAC 17-4-6, IC 13-18-22-8(a) IC 13-18-23-1 33 USC 1341(a)(1) | Office of Water Quality |
| Water-014 [ZIP] | Application of Existing Use Concept in Conducting Use Attainability Analyses for Long Term Control Plan Communities for Primary Contact Recreational Uses | 04/11/2008 | 40 CFR 131.5, 131.6, and 131.20 | Office of Water Quality |
| Water-015 [PDF] | CSO-Related Bypass in Long Term Control Plans (Maximizing Treatment at the Existing POTW Treatment Plant) Public Owned Treatment Works | 04/11/2008 | 40 CFR 122.41(m) | Office of Water Quality |
| Water-016 [ZIP] | CSO Treatment Facilities | 04/11/2008 | U.S. EPA's CSO Policy Indiana's CSO Policy | Office of Water Quality |
| Water-017 [PDF] | Capacity Analysis Evaluation of Combined Sewer Overflow (CSO) Communities | 03/13/2009 | 327 IAC 4 | Office of Water Quality |
| Water-019 [PDF] | State Total Phosphorus Treatment Standard for 1 MGD or Greater Sanitary Wastewater Dischargers | 12/12/2014 | 327 IAC 5-10-2(a)(2) | Office of Water Quality |
| Water-020 [PDF] | Wastewater Operator Certification Allowable Substitutions | 01/05/2024 | 327-IAC-5-23 | Office of Water Quality |