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Self-Disclosure & Environmental Audit Policy View the superseded nonrule policy A-002-OE-06-P-R1 [PDF] | 02/05/2010 | IC 13-11-1 IC 13-11-2-69 IC 13-28-4-7 IC 13-30-3 IC 13-30-4 IC 13-30-7 IC 36-1-2 | Office of Program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-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-R1 [PDF] |
Contained-in Determination Policy RISC Screening Table A6 [PDF] | 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-R1 [PDF] |
Uncontaminated Soil Policy RISC Screening Table A6 [PDF] | 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-R1 [PDF] |
Excess Liability Trust Fund Cost Guidance Excess Liability Trust Fund Cost Guidance [PDF] | 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 |
| 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 |
| Water-021 [PDF] | Permitting for the Placement of Fill Material into Isolated Wetlands | 11/08/2024 | IC 13-11-2, IC-13-18-22, 327 IAC 17 | Office of Water Quality |