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Our Mission

Established in 1866, the Philadelphia District manages water resources of the Delaware River basin; builds facilities for the Army and Air Force; and provides engineering and environmental services for other agencies. We serve more than nine million people across portions of Delaware, Maryland, New Jersey, New York and Pennsylvania. But our reach extends around the world with our support to Overseas Contingency Operations.

Our Projects

Beltzville Lake was constructed by the U.S. Army Corps of Engineers in 1972 and has prevented more than $35 million in flood damages. The project is multi-purpose, providing flood control, water supply, and recreational capabilities. Pennsylvania manages the state park on site, which attracts numerous visitors each year.
Beltzville Lake
Beltzville Lake was constructed by the U.S. Army Corps of Engineers in 1972 and has prevented more than $35 million in flood damages. The project is multi-purpose, providing flood control, water supply, and recreational capabilities. Pennsylvania manages the state park on site, which attracts numerous visitors each year.
Beltzville Lake was constructed by the U.S. Army Corps of Engineers in 1972 and has prevented more than $35 million in flood damages. The project is multi-purpose, providing flood control, water supply, and recreational capabilities. Pennsylvania manages the state park on site, which attracts numerous visitors each year.
Beltzville Lake
Beltzville Lake was constructed by the U.S. Army Corps of Engineers in 1972 and has prevented more than $35 million in flood damages. The project is multi-purpose, providing flood control, water supply, and recreational capabilities. Pennsylvania manages the state park on site, which attracts numerous visitors each year.
Beltzville Lake was constructed by the U.S. Army Corps of Engineers in 1972 and has prevented more than $35 million in flood damages. The project is multi-purpose, providing flood control, water supply, and recreational capabilities. Pennsylvania manages the state park on site, which attracts numerous visitors each year.
Beltzville Lake
Beltzville Lake was constructed by the U.S. Army Corps of Engineers in 1972 and has prevented more than $35 million in flood damages. The project is multi-purpose, providing flood control, water supply, and recreational capabilities. Pennsylvania manages the state park on site, which attracts numerous visitors each year.
The Francis E. Walter Dam was constructed by the U.S. Army Corps of Engineers in 1961 and has prevented more than $212 million in flood damages. It also supports recreation in the Lehigh Valley with planned fishing and whitewater rafting water releases.
Francis E. Walter Dam
The Francis E. Walter Dam was constructed by the U.S. Army Corps of Engineers in 1961 and has prevented more than $212 million in flood damages. It also supports recreation in the Lehigh Valley with planned fishing and whitewater rafting water releases.
The Francis E. Walter Dam was constructed by the U.S. Army Corps of Engineers in 1961 and has prevented more than $212 million in flood damages. It also supports recreation in the Lehigh Valley with planned fishing and whitewater rafting water releases.
Francis E. Walter Dam
The Francis E. Walter Dam was constructed by the U.S. Army Corps of Engineers in 1961 and has prevented more than $212 million in flood damages. It also supports recreation in the Lehigh Valley with planned fishing and whitewater rafting water releases.
The Francis E. Walter Dam was constructed by the U.S. Army Corps of Engineers in 1961 and has prevented more than $212 million in flood damages. It also supports recreation in the Lehigh Valley with planned fishing and whitewater rafting water releases.
Francis E. Walter Dam
The Francis E. Walter Dam was constructed by the U.S. Army Corps of Engineers in 1961 and has prevented more than $212 million in flood damages. It also supports recreation in the Lehigh Valley with planned fishing and whitewater rafting water releases.
The Prompton Dam was constructed in 1960 to reduce flood risks primarily for the communities of Prompton, Pennsylvania, Hawley, Pennsylvania and Honesdale, Pennsylvania. The 1230-foot long and 147-foot high earthen dam was built in response to severe floods on the Lackawaxen River in 1936, 1942 and 1955.
Prompton Dam
The Prompton Dam was constructed in 1960 to reduce flood risks primarily for the communities of Prompton, Pennsylvania, Hawley, Pennsylvania and Honesdale, Pennsylvania. The 1230-foot long and 147-foot high earthen dam was built in response to severe floods on the Lackawaxen River in 1936, 1942 and 1955.
The Prompton Dam was constructed in 1960 to reduce flood risks primarily for the communities of Prompton, Pennsylvania, Hawley, Pennsylvania and Honesdale, Pennsylvania. The 1230-foot long and 147-foot high earthen dam was built in response to severe floods on the Lackawaxen River in 1936, 1942 and 1955.
Prompton Dam
The Prompton Dam was constructed in 1960 to reduce flood risks primarily for the communities of Prompton, Pennsylvania, Hawley, Pennsylvania and Honesdale, Pennsylvania. The 1230-foot long and 147-foot high earthen dam was built in response to severe floods on the Lackawaxen River in 1936, 1942 and 1955.
The General Edgar Jadwin Dam was constructed by the U.S. Army Corps of Engineers in 1960 and has prevented more than $32 million in flood damages.
General Edgar Jadwin Dam
The General Edgar Jadwin Dam was constructed by the U.S. Army Corps of Engineers in 1960 and has prevented more than $32 million in flood damages.
The General Edgar Jadwin Dam was constructed by the U.S. Army Corps of Engineers in 1960 and has prevented more than $32 million in flood damages.
General Edgar Jadwin Dam
The General Edgar Jadwin Dam was constructed by the U.S. Army Corps of Engineers in 1960 and has prevented more than $32 million in flood damages.
The U.S. Army Corps of Engineers' Philadelphia District and its contractor are building two sections of a seawall and rebuilding portions of the Atlantic City boardwalk along the Absecon Inlet. Work is designed to reduce damages from coastal storms.
Absecon Inlet Seawall and Boardwalk
The U.S. Army Corps of Engineers' Philadelphia District and its contractor are building two sections of a seawall and rebuilding portions of the Atlantic City boardwalk along the Absecon Inlet. Work is designed to reduce damages from coastal storms.
The U.S. Army Corps of Engineers' Philadelphia District and its contractor are building two sections of a seawall and rebuilding portions of the Atlantic City boardwalk along the Absecon Inlet. Work is designed to reduce damages from coastal storms.
Absecon Inlet Seawall and Boardwalk
The U.S. Army Corps of Engineers' Philadelphia District and its contractor are building two sections of a seawall and rebuilding portions of the Atlantic City boardwalk along the Absecon Inlet. Work is designed to reduce damages from coastal storms.
The U.S. Army Corps of Engineers' Philadelphia District and its contractor are building two sections of a seawall and rebuilding portions of the Atlantic City boardwalk along the Absecon Inlet. Work is designed to reduce damages from coastal storms.
Absecon Inlet Seawall and Boardwalk
The U.S. Army Corps of Engineers' Philadelphia District and its contractor are building two sections of a seawall and rebuilding portions of the Atlantic City boardwalk along the Absecon Inlet. Work is designed to reduce damages from coastal storms.
The U.S. Army Corps of Engineers' Philadelphia District and its contractor are building two sections of a seawall and rebuilding portions of the Atlantic City boardwalk along the Absecon Inlet. Work is designed to reduce damages from coastal storms.
Absecon Inlet Seawall and Boardwalk
The U.S. Army Corps of Engineers' Philadelphia District and its contractor are building two sections of a seawall and rebuilding portions of the Atlantic City boardwalk along the Absecon Inlet. Work is designed to reduce damages from coastal storms.
Dredged material is pumped into a containment facility located adjacent to Wilmington Harbor. The U.S. Army Corps of Engineers' Philadelphia District typically dredges the harbor every 9 to 12 months.
Port of Wilmington
Dredged material is pumped into a containment facility located adjacent to Wilmington Harbor. The U.S. Army Corps of Engineers' Philadelphia District typically dredges the harbor every 9 to 12 months.
Great Lakes Dredge and Dock Company's Cutter Suction Dredge Texas removes shoaling in Wilmington Harbor at the Port of Wilmington in Delaware. The U.S. Army Corps of Engineers' Philadelphia District typically dredges the harbor every 9 to 12 months.
Port of Wilmington
Great Lakes Dredge and Dock Company's Cutter Suction Dredge Texas removes shoaling in Wilmington Harbor at the Port of Wilmington in Delaware. The U.S. Army Corps of Engineers' Philadelphia District typically dredges the harbor every 9 to 12 months.
The Port of Wilmington, Delaware handles about 400 vessels annually and imports/exports more than six million tons of cargo. The U.S. Army Corps of Engineers' Philadelphia District typically dredges the harbor every 9 to 12 months.
Port of Wilmington
The Port of Wilmington, Delaware handles about 400 vessels annually and imports/exports more than six million tons of cargo. The U.S. Army Corps of Engineers' Philadelphia District typically dredges the harbor every 9 to 12 months.
In 2015, the U.S. Army Corps of Engineers' Philadelphia District conducted dredging operations in the Delaware River to deepen the channel and then beneficially used the material to build a dune and berm in Broadkill Beach, DE and reduce the risk of coastal storms for the community.
Broadkill Beach, DE
In 2015, the U.S. Army Corps of Engineers' Philadelphia District conducted dredging operations in the Delaware River to deepen the channel and then beneficially used the material to build a dune and berm in Broadkill Beach, DE and reduce the risk of coastal storms for the community.
The backhoe excavator dredge New York works in tandem with the drill barge Apache to remove rock fragments from locations where blasting has just taken place near Chester, PA. The U.S. Army Corps of Engineers and its contractor Great Lakes Dredge & Dock Company are conducting rock blasting operations on the Delaware River. Work is a part of a project to deepen the federal channel of the river to provide for more efficient maritime transport of cargo
Rock Blasting on the Delaware River
The backhoe excavator dredge New York works in tandem with the drill barge Apache to remove rock fragments from locations where blasting has just taken place near Chester, PA. The U.S. Army Corps of Engineers and its contractor Great Lakes Dredge & Dock Company are conducting rock blasting operations on the Delaware River. Work is a part of a project to deepen the federal channel of the river to provide for more efficient maritime transport of cargo
The backhoe excavator dredge New York works in tandem with the drill barge Apache to remove rock fragments from locations where blasting has just taken place near Chester, PA. The U.S. Army Corps of Engineers and its contractor Great Lakes Dredge & Dock Company are conducting rock blasting operations on the Delaware River. Work is a part of a project to deepen the federal channel of the river to provide for more efficient maritime transport of cargo
Rock Blasting on the Delaware River
The backhoe excavator dredge New York works in tandem with the drill barge Apache to remove rock fragments from locations where blasting has just taken place near Chester, PA. The U.S. Army Corps of Engineers and its contractor Great Lakes Dredge & Dock Company are conducting rock blasting operations on the Delaware River. Work is a part of a project to deepen the federal channel of the river to provide for more efficient maritime transport of cargo
Clamshell dredge No. 54 removes rock fragments from areas where blasting operations have already been completed near Marcus Hook, PA (Sunoco refinery in background). The U.S. Army Corps of Engineers and its contractor Great Lakes Dredge & Dock Company are conducting rock blasting operations on the Delaware River. Work is a part of a project to deepen the federal channel of the river to provide for more efficient maritime transport of cargo.
Rock Blasting on the Delaware River
Clamshell dredge No. 54 removes rock fragments from areas where blasting operations have already been completed near Marcus Hook, PA (Sunoco refinery in background). The U.S. Army Corps of Engineers and its contractor Great Lakes Dredge & Dock Company are conducting rock blasting operations on the Delaware River. Work is a part of a project to deepen the federal channel of the river to provide for more efficient maritime transport of cargo.
The backhoe excavator dredge New York works in tandem with the drill barge Apache to remove rock fragments from locations where blasting has just taken place near Chester, PA. The U.S. Army Corps of Engineers and its contractor Great Lakes Dredge & Dock Company are conducting rock blasting operations on the Delaware River. Work is a part of a project to deepen the federal channel of the river to provide for more efficient maritime transport of cargo
Rock Blasting on the Delaware River
The backhoe excavator dredge New York works in tandem with the drill barge Apache to remove rock fragments from locations where blasting has just taken place near Chester, PA. The U.S. Army Corps of Engineers and its contractor Great Lakes Dredge & Dock Company are conducting rock blasting operations on the Delaware River. Work is a part of a project to deepen the federal channel of the river to provide for more efficient maritime transport of cargo
On Friday December 12th, crews finished placement of the six 150 foot main beams of the new Delaware City Bridge. The U.S. Army Corps of Engineers' Philadelphia District and its contractor began demolition of the Route 9 bridge at Delaware City in October of 2016 and is now in the construction phase of bridge replacement (Photo by Tim Boyle).
Delaware City Bridge Replacement
On Friday December 12th, crews finished placement of the six 150 foot main beams of the new Delaware City Bridge. The U.S. Army Corps of Engineers' Philadelphia District and its contractor began demolition of the Route 9 bridge at Delaware City in October of 2016 and is now in the construction phase of bridge replacement (Photo by Tim Boyle).
On Friday December 12th, crews finished placement of the six 150 foot main beams of the new Delaware City Bridge. The U.S. Army Corps of Engineers' Philadelphia District and its contractor began demolition of the Route 9 bridge at Delaware City in October of 2016 and is now in the construction phase of bridge replacement (Photo by Tim Boyle).
Delaware City Bridge Replacement
On Friday December 12th, crews finished placement of the six 150 foot main beams of the new Delaware City Bridge. The U.S. Army Corps of Engineers' Philadelphia District and its contractor began demolition of the Route 9 bridge at Delaware City in October of 2016 and is now in the construction phase of bridge replacement (Photo by Tim Boyle).
On Friday December 12th, crews finished placement of the six 150 foot main beams of the new Delaware City Bridge. The U.S. Army Corps of Engineers' Philadelphia District and its contractor began demolition of the Route 9 bridge at Delaware City in October of 2016 and is now in the construction phase of bridge replacement (Photo by Tim Boyle).
Delaware City Bridge Replacement
On Friday December 12th, crews finished placement of the six 150 foot main beams of the new Delaware City Bridge. The U.S. Army Corps of Engineers' Philadelphia District and its contractor began demolition of the Route 9 bridge at Delaware City in October of 2016 and is now in the construction phase of bridge replacement (Photo by Tim Boyle).

Areas of Expertise

Global Power Contracting

Bridge Safety Inspection

Coastal Planning & Engineering

Environmental Remediation

Groundwater Modeling