Home / Environment / Philly Marsh Revived: Channels Dredged for Wildlife and Flood Control
Philly Marsh Revived: Channels Dredged for Wildlife and Flood Control
15 Nov
Summary
- Nearly 150 acres of freshwater tidal marsh are being restored.
- Thousands of feet of channels are being excavated to improve water flow.
- The project aims to benefit wildlife and potentially reduce local flooding.
A significant restoration project is breathing new life into Philadelphia's Henderson Marsh, located within the John Heinz National Wildlife Refuge. For decades, the nearly 150-acre freshwater tidal marsh has suffered from restricted water flow due to historical dredging, land filling, and dike construction.
The current initiative focuses on excavating approximately 13,000 linear feet of channels. These new channels, along with improved connections to Darby Creek, are designed to naturally restore tidal circulation throughout the wetlands. This aims to revive the ecosystem's functions.
Conservationists anticipate this restoration will greatly benefit various wildlife species, including several types of ducks, shorebirds, wading birds, American shad, and American eels. The improved water flow will offer fish better migration routes and provide crucial feeding and resting areas for birds.
Beyond ecological benefits, the project is part of a broader effort to enhance flood resilience for communities surrounding the Lower Darby Creek watershed, such as Philadelphia's Eastwick neighborhood. While not a sole solution, restoring wetlands is seen as a key nature-based approach to managing water levels and mitigating flood impacts.
This collaborative effort involves Ducks Unlimited, the U.S. Fish and Wildlife Service, and NOAA, among other partners. Construction began in September 2026 and is expected to conclude within 12 to 18 months, also including enhancements for visitor access and facilities.
