DEP Extends General Permit for Small MS4’s (PAG-13), Invites Participation in Workgroup  

The state Department of Environmental Protection (DEP) has extended the availability of the current National Pollutant Discharge Elimination System (NPDES) General Permit for Discharges of Stormwater Discharges from Small Municipal Separate Storm Sewer Systems (MS4) (PAG-13) for 24 months. The existing PAG-13 in effect at this time will expire March 15, 2023. With the 24-month extension, permittees who are operating under PAG-13 may continue to operate until March 15, 2025. DEP is extending the availability of this permit to address issues related to the renewal of PAG-13.   

DEP is soliciting interest for participation in a workgroup to discuss and evaluate requirements to be incorporated into PAG-13 renewal process. Interested parties may request participation via e-mail to by October 11.   

To access the General Permit and related documents, visit DEP’s eLibrary website. Questions regarding the PAG-13 General Permit can be directed to Jamie Eberl, PE, at or (717) 772-4058.  

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