| 01/28/2022 | Stormwater | Semiannual discharge monitoring report |
| 01/28/2022 | Stormwater | NPDES Individual Stormwater Permit Annual Inspection Report |
| 01/28/2022 | Wastewater | NPDES PAG-03 Semiannual DMR for July-December Period |
| 01/30/2022 | Air | Deviation Report – semiannual report of monitoring, deviations, and corrective actions |
| 01/30/2022 | Air | NSPS – semiannual report of misc. operating data depending on source type (landfill, boiler, etc.) |
| 01/30/2022 | Air | 1/30 or permit anniversary date - Compliance Certification – annual statement of compliance with TVOP conditions |
| 01/30/2022 | Air | NESHAP SSM – semiannual report of SSM events, some may be going away |
| 01/31/2022 | Wastewater | DRBC Annual Effluent Monitoring Report (AEMR) |
| 02/04/2022 | Tanks | Southeast Region: Annual Tank Registration Fee for PADEP Regulated Storage Tanks |
| 02/19/2022 | Residual Waste | EPA Annual Report (design flow rate is equal to or greater than one million gallons per day, serves 10,000 people or more, or is required to have an approved pretreatment program (Class I Sludge Management Facility) |
| 03/01/2022 | Air | Annual Air Emission Inventory AIMS Report – annual report of operating and emissions data |
| 03/01/2022 | EPCRA | Tier II – annual report of chemical inventory, quantities, and locations |
| 03/01/2022 | Residual Waste | Biosolids Annual Operating Report (facilities covered by a beneficial use PAGO7 or PAG08 permit) |
| 03/01/2022 | Residual Waste | 26R Chemical Analysis - Chemical Analysis of waste due annually by anniversary of disposal approval or 3/1 |
| 03/01/2022 | Residual Waste | Biennial Report – PA generator of more than 13 tons of residual waste in even year, due 3/1 of odd numbered years |
| 03/01/2022 | Hazardous Waste | Biennial Report for LQG – due 3/1 of even numbered years (Form 330-GM) |
| 03/31/2022 | Air | Greenhous Gas – annual EPA report of GHG emissions |
| 03/31/2022 | Water | Chapter 110 - Public Water Suppliers - March 31 for the previous year's data |
| 03/31/2022 | Water | DRBC Annual Water Audit |
| 03/31/2022 | IPP | Submitted by municipalities with EPA-mandated MIPP |
| 03/31/2022 | Wastewater | Chapter 94: Municipal wasteload management report |
| 04/01/2022 | Water | CCR Copy to any purchasing systems |
| 04/04/2022 | Tanks | Northeast Region: Annual Tank Registration Fee for PADEP Regulated Storage Tanks |
| 05/01/2022 | Stormwater | Annual Report (PAG-03) |
| 05/01/2022 | Stormwater | NPDES Annual NOI Fee (PAG-03) |
| 06/04/2022 | Tanks | Southcentral Region: Annual Tank Registration Fee for PADEP Regulated Storage Tanks |
| 06/30/2022 | Water | Non Public Water Suppliers: Annual Well Water Withdrawal Report (Chapter 110) |
| 07/01/2022 | EPCRA | TRI/Form R – annual report of air, water and waste inputs and outputs, larger facilities |
| 07/01/2022 | Water | CCR- Mail or directly deliver a copy of the CCR to each of their customers by July 1 annually |
| 07/28/2022 | Stormwater | NPDES PAG-03 Semiannual DMR for January - June period |
| 08/04/2022 | Tanks | Northcentral Region: Annual Tank Registration Fee for PADEP Regulated Storage Tanks |
| 09/01/2022 | Air | Annual Title V Emission Fee Calculation and Payment |
| 10/01/2022 | Water | CCR Certification to PADEP |
| 10/04/2022 | Tanks | Southwest Region: Annual Tank Registration Fee for PADEP Regulated Storage Tanks |
| 12/04/2022 | Tanks | Northwest Region: Annual Tank Registration Fee for PADEP Regulated Storage Tanks |
| 12/31/2022 | Air | Annual Operating Permit Maintenance Fee (All Air Permits) |
| Annual | Stormwater | Review/update Stormwater Pollution Plan (SWPPP or PPC) and training |
| Annual | Air | Title V Permittee Annual Compliance Report (due 30 days after EDP) |
| Annual | Wastewater | NPDES Individual Permit Fee; due on anniversary date of EDP |
| Every 5 years | Residual Waste | 25R - Source Reduction Strategy update every 5 years, not submitted, kept on file |
| Every 5 years | Industrial | SPCC Plan update |
| Every 5 years | Air | Air Quality Permit Renewal (180 days prior to exp.) |
| Every 5 years | Wastewater | DRBC Docket Renewal (due 6 months prior to expiration) |
| Every 5 years | Wastewater | WQM Permit Renewals (WWTPs Land Disposal due 180 days prior to expiration) |
| Every 5 years | Wastewater | Individual NPDES Permit Renewal (180 days prior to exp.) |