Begin Main Content Area

E&S Resources

Effective January 10, 2019, inquiries and correspondence regarding new permit applications, reporting, and compliance matters related to sites in Armstrong and Indiana Counties should be directed to DEP's Northwest Regional Office. Questions on permit applications under review as of January 9, 2019, and pending enforcement matters for Armstrong and Indiana Counties should be directed to DEP's Southwest Regional Office. Inquiries can also be directed to

Mining and Radiation Protection permits and programs are not affected by this regional office change. 

Permits and Applications


  • Chapter 102 Forms – this folder contains the Co-Permittee Liability Release Form, Co-Permittee Acknowledgement Form for Chapter 102 Permits, Chapter 102 County Notification Form, Chapter 102 Municipal Notification Form, Chapter 102 Visual Site Inspection Report, Chapter 102 Pre-Application Meeting Request Form, and the MS4/CSS Notification Form.
  • Notice of Termination Form

Alternative BMPs


DEP PCSM Spreadsheet

  • DEP PCSM Spreadsheet (XLSB) (Version 1.7, August 2020) – This spreadsheet developed by DEP is intended to assist with stormwater analyses required by Chapter 102 for PCSM Plans. The spreadsheet is a macro-enabled Excel binary file. Instructions and training for the spreadsheet are available to assist users. Last updated 8/28/2020.  Note – It is recommended that users check this site periodically for the latest updates to the spreadsheet.  Updates are made as calculation or functional errors are identified and corrected.  A new version number will be provided only when changes or enhancements are made to the spreadsheet, not when errors are corrected.

Other Resources