spring wetlands with lots of grasses

Waterways & Wetlands Management Permit

The Chapter 105 program regulates work in and around streams, wetlands and other water bodies with a focus on avoiding or minimizing impacts on water quality, flooding frequency, and riparian habitats.

Under a Delegation Agreement, the District administers DEP General Permits for various types of work in waterways, including wetlands and stream crossings, streambank stabilization, boat ramp and dock installation, intake and outfall structures, and utility line crossings.

District staff inspect permitted sites, investigate complaints and provide regulatory and permitting assistance.

PA DEP Bridge and Culvert Maintenance and Repair Tool

DEP’s Bridge and Culvert Maintenance & Repair Tool is an online interactive tool is designed to help bridge and culvert owners understand and be informed of permitting and notification requirements for bridge and culvert maintenance under various scenarios, including emergency situations. It does this by asking a series of questions about the proposed work, the condition of the structure, current situation, etc. and includes ample photographs, examples, and links.

e-Permitting Now Available

The Department of Environmental Protection has launched e-permitting for Chapter 105 Wetland and Waterway Obstruction and Encroachment General Permits to make application submission and review more efficient and to enable faster responses to applicants.

DEP has developed instructions, videos, and user guides for the new e-permitting system »

For Chapter 105 General Permit Registrations, please submit the following:



We all live downstream. Our water quality is directly affected by our upstream neighbors, and our choices will impact the water quality for our downstream neighbors.

  • Minimize impervious surfaces.
  • Do not remove trees and other plants next to streams, lakes and wetlands.
  • Plant native plants to absorb heavy rain falls.
  • Direct rain gutters onto lawn or garden.
  • Construct rain gardens and use rain barrels.