| Federal Consistency under the Coastal Zone Management Act; AdvanSix, Inc. Proposed Maintenance Dredging at Frankford Marine Terminal, City of Philadelphia | Other |  3/30/2024 | 3/30/2024 | 4/15/2024 | View comments |
| Draft National Pollutant Discharge Elimination System (NPDES) General Permit for Discharges of Stormwater Associated with Construction Activities (PAG-02) | Policy |  3/9/2024 | 3/9/2024 | 4/8/2024 | View comments |
| Federal Consistency under the Coastal Zone Management Act; United States Army Corps of Engineers Proposed Maintenance Dredging at Conneaut Harbor, Ashtabula County, Ohio | Other |  3/9/2024 | 3/9/2024 | 3/24/2024 | View comments |
| Guidelines for the Preparation of a Contingency Plan for the Transportation of Residual Waste | Policy |  2/17/2024 | 2/17/2024 | 3/18/2024 | View comments |
| Proposed Revision to the State Implementation Plan; Regional Haze Best Available Retrofit Technology | Other |  2/3/2024 | 2/3/2024 | 3/8/2024 | View comments |
| Interstate Pollution Transport Reduction; Proposed 2024 Ozone Season Nitrogen Oxide Emission Limits for Nonelectric Generating Units | Other |  2/3/2024 | 2/3/2024 | 2/19/2024 | View comments |
| General Permit WMGR081 Proposed Modifications | Other |  2/3/2024 | 2/3/2024 | 4/4/2024 | View comments |
| Guidance Manual for Permitting of New Commercial Hazardous Waste Treatment and Disposal Facilities | Policy |  1/20/2024 | 1/20/2024 | 2/18/2024 | View comments |
| Environmental Assessment Approvals for PENNVEST Funding Consideration (January 2024) | Other |  12/23/2023 | 12/23/2023 | 1/22/2024 | View comments |
| Draft Technical Guidance: Guidance for Filter Plant Performance Evaluations (391-3120-001) | Policy |  11/25/2023 | 11/25/2023 | 12/29/2023 | View comments |
| Federal Consistency under the Coastal Zone Management Act; Jon Gerbracht—Forest Park Pathway and Seawall Project | Other |  11/11/2023 | 11/13/2023 | 11/28/2023 | View comments |
| Federal Consistency under the Coastal Zone Management Act; PhilaPort—Packer Avenue Marine Terminal Maintenance Dredging | Other |  11/11/2023 | 11/13/2023 | 11/28/2023 | View comments |
| Proposed Rulemaking: Water Quality Standards - Site-Specific Water Quality Criteria (#7-571) | Reg |  11/4/2023 | 11/4/2023 | 12/19/2023 | View comments |
| Draft 2024 Integrated Water Quality Monitoring and Assessment Report | Policy |  10/28/2023 | 10/28/2023 | 12/11/2023 | View comments |
| COMMENT PERIOD EXTENSION and ADDITIONAL PUBLIC HEARINGS: Interim-Final Environmental Justice Policy (015-0501-002) and Pennsylvania Environmental Justice Mapping and Screening Tool (PennEnviroScreen) | Policy |  11/4/2023 | 10/28/2023 | 11/30/2023 | * |
| Fiscal-Year Report for the Reclamation Fee O&M Trust Account | Other |  10/14/2023 | 10/14/2023 | 11/6/2023 | View comments |
| Statement of Policy: Water Quality Toxics Management Strategy (#7-582) | Policy |  10/7/2023 | 10/7/2023 | 11/21/2023 | View comments |
| Proposed Rulemaking: Triennial Review of Water Quality Standards (#7-577) | Reg |  10/7/2023 | 10/7/2023 | 11/21/2023 | View comments |
| Interim-Final Environmental Justice Policy (015-0501-002) and Pennsylvania Environmental Justice Mapping and Screening Tool (PennEnviroScreen) Methodology Document (015-0501-003) | Policy |  9/16/2023 | 9/16/2023 | 11/30/2023 | View comments |
| Environmental Assessment Approvals for PENNVEST Funding Consideration (October 2023) | Other |  9/16/2023 | 9/16/2023 | 10/16/2023 | View comments |
| Draft Technical Guidance: Land Application of Manure – A Supplement to Manure Management for Environmental Protection – Manure Management Plan Guidance (361-0300-002) | Policy |  8/26/2023 | 8/26/2023 | 9/25/2023 | View comments |
| Draft Stream Evaluation Reports: Aquashicola Creek (Monroe County and Carbon County), Jones Creek (Susquehanna County), and Hosensack Creek (Berks County, Lehigh County, and Montgomery County) | Other |  8/12/2023 | 8/12/2023 | 9/11/2023 | View comments |
| Pennsylvania's 2023 Annual Ambient Air Monitoring Network Plan | Other |  7/29/2023 | 7/29/2023 | 8/28/2023 | View comments |
| Redrafted Draft National Pollutant Discharge Elimination System (NPDES) General Permit for Discharges from Small Flow Treatment Facilities (PAG-04) | Other |  7/15/2023 | 7/15/2023 | 8/14/2023 | View comments |
| Guidelines for the Development and Implementation of Oil and Gas Well Site Integrated Contingency Plans for Unconventional Well Sites | Policy |  7/8/2023 | 7/8/2023 | 8/7/2023 | View comments |
| Environmental Assessment Approvals for PENNVEST Funding Consideration (July 2023) | Other |  6/10/2023 | 6/10/2023 | 7/10/2023 | View comments |
| Clean Water State Revolving Fund (CWSRF) and Drinking Water State Revolving Fund (DWSRF) Programs - Federal Fiscal Year 2023 Intended Use Plans | Other |  6/3/2023 | 6/3/2023 | 7/3/2023 | View comments |
| Stream Redesignation Evaluation: Brodhead Creek (Monroe County) | Other |  8/12/2023 | 5/6/2023 | 9/5/2023 | View comments |
| Draft Stream Evaluation Reports: Slab Cabin Run (Centre County) and Lycoming Creek (Lycoming, Tioga, and Sullivan counties) | Other |  2/4/2023 | 2/4/2023 | 3/6/2023 | View comments |
| Draft Technical Guidance: Pennsylvania Post-Construction Stormwater Management (PCSM) Manual (386-0300-001) | Policy |  1/28/2023 | 1/28/2023 | 4/28/2023 | View comments |
| Draft National Pollutant Discharge Elimination System (NPDES) General Permit for Discharges from Small Flow Treatment Facilities (PAG-04) | Other |  11/5/2022 | 11/5/2022 | 12/5/2022 | View comments |
| Draft Water Quality Management (WQM) General Permit for Small Flow Treatment Facilities (WQG-01) | Other |  11/5/2022 | 11/5/2022 | 12/5/2022 | View comments |
| Draft Technical Guidance: Small Flow Treatment Facility Manual (381-2188-005) | Policy |  11/5/2022 | 11/5/2022 | 1/3/2023 | View comments |
| Stream Redesignation Evaluation: Unnamed Tributary (UNT) to North Fork Dunkard Fork (Greene), UNT to Big Cove Creek (Fulton), UNT to West Branch Conococheague Creek (Franklin), and Lick Run (Columbia) | Other |  10/29/2022 | 10/29/2022 | 11/28/2022 | View comments |
| Draft Technical Guidance: Pennsylvania's Public Water System Capability Enhancement Strategy (391-0400-001) | Policy |  7/16/2022 | 7/16/2022 | 8/15/2022 | View comments |
| Recommended Strategies for the Reduction of Oxides of Nitrogen Emission from Municipal Waste Combustors under Consideration by the Ozone Transport Commission | Other |  5/14/2022 | 5/14/2022 | 5/29/2022 | View comments |
| Draft Technical Guidance: Trenchless Technology Guidance (310-2100-003) | Policy |  3/19/2022 | 3/19/2022 | 5/18/2022 | View comments |
| Draft Environmental Justice Policy (012-0501-002) | Policy |  3/12/2022 | 3/12/2022 | 5/11/2022 | View comments |
| Draft Stream Evaluation Report: Class A Wild Trout Streams | Other |  12/11/2021 | 12/11/2021 | 1/10/2022 | View comments |
| Delegation of Authority to Implement and Enforce Federal Municipal Solid Waste Plan | Policy |  12/4/2021 | 12/4/2021 | 1/13/2022 | View comments |
| Draft Stream Evaluation Report: UNT Tohickon Creek (Bucks County) | Other |  10/23/2021 | 10/23/2021 | 11/22/2021 | View comments |
| Draft Technical Guidance: Guidance on Notification Requirements for Spills, Discharges, and other Incidents of a Substance Causing or Threatening Pollution to Waters of the Commonwealth (383-4200-003) | Policy |  10/16/2021 | 10/16/2021 | 12/15/2021 | View comments |
| Draft Technical Guidance: Prioritized Review Process under ESCGP for Oil and Gas Exploration, Production, Processing or Treatment Operations or Transmission Facilities (800-2100-001) | Policy |  8/28/2021 | 8/28/2021 | 9/27/2021 | View comments |
| Draft TGD: Turbidity Reporting Instructions for Public Water Systems Using Filtered Surface Water or Groundwater Under the Direct Influence of Surface Water (GUDI) Sources (393-3301-003) | Policy |  6/12/2021 | 6/12/2021 | 7/12/2021 | View comments |
| Draft Stream Evaluation Reports: Beaver Creek (Delaware County) and Middle Lehigh River Tributaries (Carbon County) | Other |  1/9/2021 | 11/14/2020 | 2/12/2021 | View comments |
| Draft Technical Guidance: Guidelines for Development of Operator Pressure Barrier Policy for Unconventional Wells (800-0810-003) | Policy |  8/29/2020 | 8/29/2020 | 9/28/2020 | View comments |
| Draft Technical Guidance: Notification Requirements for Spills, Discharges, and other Incidents of a Substance Causing or Threatening Pollution to Waters of the Commonwealth (383-4200-003) | Policy |  8/8/2020 | 8/8/2020 | 10/6/2020 | View comments |
| Certification of Pennsylvania’s Submittal of All Case By Case Reasonably Available Control Technology Determinations | Policy |  6/27/2020 | 6/27/2020 | 7/31/2020 | View comments |
| Proposed SIP Revision; Certification of Pennsylvania’s Submittal of All Case By Case RACT Determinations and Averaging Plans for the 1997 and 2008 8 Hour Ozone National Ambient Air Quality Standard | Policy |  3/28/2020 | 3/28/2020 | 5/1/2020 | View comments |
| Proposed Revision to the Infrastructure State Implementation Plan for the 2015 8 Hour Ozone National Ambient Air Quality Standard | Policy |  3/14/2020 | 3/14/2020 | 4/20/2020 | View comments |
| Policy for Pennsylvania Historical and Museum Commission and Department of Environmental Protection Coordination During Permit Application Review and Evaluation of Historic Resources (012-0700-001) | Policy |  12/28/2019 | 12/28/2019 | 1/27/2020 | View comments |
| Proposed State Implementation Plan Revision for Regional Haze; Best Available Retrofit Technology (BART) | Other |  8/31/2019 | 8/31/2019 | 10/31/2019 | View comments |
| Draft TGD: Lead and Copper - A Working Guide to the Lead and Copper Rule (393-0300-001) | Policy |  11/17/2018 | 11/17/2018 | 1/2/2019 | View comments |
| Draft Technical Guidance: Policy for State Water Quality Certification Issuance for Interstate Natural Gas Transmission Pipeline Projects Regulated by FERC (310-2100-001) | Policy |  7/29/2017 | 7/29/2017 | 8/28/2017 | View comments |