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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

The mechanical dredge NEW YORK, owned and operated by Great Lakes Dredge & Dock Company, loads rock onto a barge as part of the project to deepen the Delaware River channel from 40 to 45 feet. The project is a joint effort between USACE and the Port of Philadelphia. The deeper channel will provide for more efficient transportation of cargo to and from Delaware River ports.
Delaware River Deepening Rock Removal
The mechanical dredge NEW YORK, owned and operated by Great Lakes Dredge & Dock Company, loads rock onto a barge as part of the project to deepen the Delaware River channel from 40 to 45 feet. The project is a joint effort between USACE and the Port of Philadelphia. The deeper channel will provide for more efficient transportation of cargo to and from Delaware River ports.
The mechanical dredge NEW YORK, owned and operated by Great Lakes Dredge & Dock Company, removes rock material from the Delaware River as part of the project to deepen the channel from 40 to 45 feet. The project is a joint effort between USACE and the Port of Philadelphia. The deeper channel will provide for more efficient transportation of cargo to and from Delaware River ports.
Delaware River Deepening Rock Removal
The mechanical dredge NEW YORK, owned and operated by Great Lakes Dredge & Dock Company, removes rock material from the Delaware River as part of the project to deepen the channel from 40 to 45 feet. The project is a joint effort between USACE and the Port of Philadelphia. The deeper channel will provide for more efficient transportation of cargo to and from Delaware River ports.
The mechanical dredge NEW YORK, owned and operated by Great Lakes Dredge & Dock Company, loads rock onto a barge as part of the project to deepen the Delaware River channel from 40 to 45 feet. The project is a joint effort between USACE and the Port of Philadelphia. The deeper channel will provide for more efficient transportation of cargo to and from Delaware River ports.
Delaware River Deepening Rock Removal
The mechanical dredge NEW YORK, owned and operated by Great Lakes Dredge & Dock Company, loads rock onto a barge as part of the project to deepen the Delaware River channel from 40 to 45 feet. The project is a joint effort between USACE and the Port of Philadelphia. The deeper channel will provide for more efficient transportation of cargo to and from Delaware River ports.
The community of Mantoloking, N.J. was breached during Hurricane Sandy. In 2018, the U.S. Army Corps of Engineers completed the dune and berm system in the same location as part of the Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management project. The project is a joint effort with New Jersey Department of Environmental Protection. Weeks Marine Inc. is the contractor.
Mantoloking Before and After
The community of Mantoloking, N.J. was breached during Hurricane Sandy. In 2018, the U.S. Army Corps of Engineers completed the dune and berm system in the same location as part of the Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management project. The project is a joint effort with New Jersey Department of Environmental Protection. Weeks Marine Inc. is the contractor.
Work includes replacement of 45 floor beam covers, more than 7,000 bolts and rivets, and replacement of all deck joint strip seals. Work is expected to be completed around the end of January. St. Georges Bridge was constructed in 1941 and is owned and maintained by the U.S. Army Corps of Engineers.
St. Georges Bridge Repairs
Contractors from Freyssinet, Inc work to replace deck joint strip seals at the St. Georges Bridge in Delaware. Work includes replacement of 45 floor beam covers, more than 7,000 bolts and rivets, and replacement of all deck joint strip seals. Work is expected to be completed around the end of January. St. Georges Bridge was constructed in 1941 and is owned and maintained by the U.S. Army Corps of Engineers.
Contractors inspect ongoing repair work of floor beam covers at the St. Georges Bridge in Delaware. Work includes replacement of 45 floor beam covers, more than 7,000 bolts and rivets, and replacement of all deck joint strip seals. Work is expected to be completed around the end of January. St. Georges Bridge was constructed in 1941 and is owned and maintained by the U.S. Army Corps of Engineers.
St. Georges Bridge Repairs
Contractors inspect ongoing repair work of floor beam covers at the St. Georges Bridge in Delaware. Work includes replacement of 45 floor beam covers, more than 7,000 bolts and rivets, and replacement of all deck joint strip seals. Work is expected to be completed around the end of January. St. Georges Bridge was constructed in 1941 and is owned and maintained by the U.S. Army Corps of Engineers.
The U.S. Army Corps of Engineers is managing the Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management project in partnership with New Jersey Department of Environmental Protection and contractor Weeks Marine. The project, once fully completed, will cover approximately 14 miles of coastline along the Barnegat Peninsula and will reduce the risk of storm damages for the communities of Point Pleasant Beach, Bay Head, Mantoloking, Brick Township, Toms River Township, Lavallette, Seaside Heights, Seaside Park, and Berkeley Township. More than 11 million cubic yards of sand will be dredged from approved borrow areas and pumped through a series of pipes onto the beaches of the municipalities.
Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management Project
The U.S. Army Corps of Engineers is managing the Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management project in partnership with New Jersey Department of Environmental Protection and contractor Weeks Marine. The project, once fully completed, will cover approximately 14 miles of coastline along the Barnegat Peninsula and will reduce the risk of storm damages for the communities of Point Pleasant Beach, Bay Head, Mantoloking, Brick Township, Toms River Township, Lavallette, Seaside Heights, Seaside Park, and Berkeley Township. More than 11 million cubic yards of sand will be dredged from approved borrow areas and pumped through a series of pipes onto the beaches of the municipalities.
The U.S. Army Corps of Engineers is managing the Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management project in partnership with New Jersey Department of Environmental Protection and contractor Weeks Marine. The project, once fully completed, will cover approximately 14 miles of coastline along the Barnegat Peninsula and will reduce the risk of storm damages for the communities of Point Pleasant Beach, Bay Head, Mantoloking, Brick Township, Toms River Township, Lavallette, Seaside Heights, Seaside Park, and Berkeley Township. More than 11 million cubic yards of sand will be dredged from approved borrow areas and pumped through a series of pipes onto the beaches of the municipalities.
Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management Project
The U.S. Army Corps of Engineers is managing the Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management project in partnership with New Jersey Department of Environmental Protection and contractor Weeks Marine. The project, once fully completed, will cover approximately 14 miles of coastline along the Barnegat Peninsula and will reduce the risk of storm damages for the communities of Point Pleasant Beach, Bay Head, Mantoloking, Brick Township, Toms River Township, Lavallette, Seaside Heights, Seaside Park, and Berkeley Township. More than 11 million cubic yards of sand will be dredged from approved borrow areas and pumped through a series of pipes onto the beaches of the municipalities.
A technician conducts a survey as part of the Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management project, a joint effort between the U.S. Army Corps of Engineers and the New Jersey Department of Environmental Protection. Weeks Marine is the prime contractor. The project, once fully completed, will cover approximately 14 miles of coastline along the Barnegat Peninsula and will reduce the risk of storm damages for the communities of Point Pleasant Beach, Bay Head, Mantoloking, Brick Township, Toms River Township, Lavallette, Seaside Heights, Seaside Park, and Berkeley Township. More than 11 million cubic yards of sand will be dredged from approved borrow areas and pumped through a series of pipes onto the beaches of the municipalities.
Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management Project
A technician conducts a survey as part of the Manasquan Inlet to Barnegat Inlet Coastal Storm Risk Management project, a joint effort between the U.S. Army Corps of Engineers and the New Jersey Department of Environmental Protection. Weeks Marine is the prime contractor. The project, once fully completed, will cover approximately 14 miles of coastline along the Barnegat Peninsula and will reduce the risk of storm damages for the communities of Point Pleasant Beach, Bay Head, Mantoloking, Brick Township, Toms River Township, Lavallette, Seaside Heights, Seaside Park, and Berkeley Township. More than 11 million cubic yards of sand will be dredged from approved borrow areas and pumped through a series of pipes onto the beaches of the municipalities.
The USACE Marine Design Center managed the design and construction of the Wicket Lifter "Keen." The vessel is owned and operated by the USACE Louisville District. The wicket lifter operates by raising or lowering the wickets that comprise the Olmsted Lock and Dam.
USACE Wicket Lifter "Keen"
The USACE Marine Design Center, located in Philadelphia, PA, managed the design and construction of the Wicket Lifter "Keen." The vessel is owned and operated by the USACE Louisville District. The wicket lifter operates by raising or lowering the wickets that comprise the Olmsted Lock and Dam.
USACE Philadelphia District Deputy Commander MAJ Brian Corbin made remarks during a ribboncutting ceremony for the Absecon Inlet seawall and boardwalk rebuild on May 25, 2018 in Atlantic City.
Absecon Inlet Seawall & Boardwalk Ribboncutting
USACE Philadelphia District Deputy Commander MAJ Brian Corbin made remarks during a ribboncutting ceremony for the Absecon Inlet seawall and boardwalk rebuild on May 25, 2018 in Atlantic City.
The U.S. Army Corps of Engineers' Philadelphia District and its contractor built two sections of a seawall and rebuilt portions of the Atlantic City boardwalk along the Absecon Inlet in Atlantic City, N.J. Work was completed in April of 2018 and is designed to reduce damages from coastal storms.
Absecon Inlet Seawall & Boardwalk Ribboncutting
The U.S. Army Corps of Engineers' Philadelphia District and its contractor built two sections of a seawall and rebuilt portions of the Atlantic City boardwalk along the Absecon Inlet in Atlantic City, N.J. Work was completed in April of 2018 and is designed to reduce damages from coastal storms.
On May 25, 2018, USACE and its partners celebrated the completion of the Absecon Inlet seawall and boardwalk rebuild in Atlantic City, New Jersey. The project accomplishes two goals - reduces the risk of storm damages for the community and restores access to recreational opportunities along the inlet.
Absecon Inlet Seawall & Boardwalk Ribboncutting
On May 25, 2018, USACE and its partners celebrated the completion of the Absecon Inlet seawall and boardwalk rebuild in Atlantic City, New Jersey. The project accomplishes two goals - reduces the risk of storm damages for the community and restores access to recreational opportunities along the inlet.
On May 25, 2018, USACE and its partners celebrated the completion of the Absecon Inlet seawall and boardwalk rebuild in Atlantic City, New Jersey. The project accomplishes two goals - reduces the risk of storm damages for the community and restores access to recreational opportunities along the inlet.
Absecon Inlet Seawall & Boardwalk Ribboncutting
On May 25, 2018, USACE and its partners celebrated the completion of the Absecon Inlet seawall and boardwalk rebuild in Atlantic City, New Jersey. The project accomplishes two goals - reduces the risk of storm damages for the community and restores access to recreational opportunities along the inlet.
The U.S. Army Corps of Engineers and its contractor J. Fletcher Creamer & Son completed the Absecon Inlet seawall and boardwalk project in April of 2018. Work involved building the seawall along two previously unprotected sections of the Atlantic City shoreline and rebuilding the historic boardwalk behind those two sections.
Absecon Inlet Seawall and Boardwalk Rebuild
The U.S. Army Corps of Engineers and its contractor J. Fletcher Creamer & Son completed the Absecon Inlet seawall and boardwalk project in April of 2018. Work involved building the seawall along two previously unprotected sections of the Atlantic City shoreline and rebuilding the historic boardwalk behind those two sections.
Dredge McFarland Captain Mitch Tillyard points to a survey of shoaled areas in the shipping channel that the vessel must clear. The McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District
Dredge McFarland Morehead City 2018
Dredge McFarland Captain Mitch Tillyard points to a survey of shoaled areas in the shipping channel that the vessel must clear. The McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District.
Dredge McFarland 2nd Mate Jim Davidson, left, and 3rd Mate Steve Walls navigate the vessel in the shipping channel during dredging operations in North Carolina. The McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District
Dredge McFarland Morehead City 2018
Dredge McFarland 2nd Mate Jim Davidson, left, and 3rd Mate Steve Walls navigate the vessel in the shipping channel during dredging operations in North Carolina. The McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District.
Dredge McFarland Marine machinery mechanic and drag tender Ray Bailey prepares to lower a drag arm. The McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District.
Dredge McFarland Morehead City 2018
Dredge McFarland Marine machinery mechanic and drag tender Ray Bailey prepares to lower a drag arm. The McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District.
The Dredge McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District
Dredge McFarland Morehead City 2018
The Dredge McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District.
Dredge McFarland 2nd Mate Jim Davidson, left, and 3rd Mate Steve Walls navigate the vessel in the shipping channel during dredging operations in North Carolina. The McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District.
Dredge McFarland Morehead City 2018
Dredge McFarland 2nd Mate Jim Davidson, left, and 3rd Mate Steve Walls navigate the vessel in the shipping channel during dredging operations in North Carolina. The McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District.
The Dredge McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District.
Dredge McFarland Morehead City 2018
The Dredge McFarland, one of four ocean-going hopper dredges owned and operated by the U.S. Army Corps of Engineers, conducted urgent dredging in Morehead City, N.C. in March and April of 2018. The McFarland is based out of the USACE Philadelphia District.
Blue Marsh Lake, owned and operated by the U.S. Army Corps of Engineers Philadelphia District, features more than 36 miles of trails, 5,000 acres of land, 1,147 acres of water, picnic areas, a small beach and boat launches the lake can accommodate all kinds of outdoor enthusiasts (Photo by Christopher Wiederspahn).
Blue Marsh Lake Foliage
Blue Marsh Lake, owned and operated by the U.S. Army Corps of Engineers Philadelphia District, features more than 36 miles of trails, 5,000 acres of land, 1,147 acres of water, picnic areas, a small beach and boat launches the lake can accommodate all kinds of outdoor enthusiasts (Photo by Christopher Wiederspahn).
With more than 36 miles of trails, 5,000 acres of land, 1,147 acres of water, picnic areas, a small beach and boat launches,  Blue Marsh Lake can accommodate all kinds of outdoor enthusiasts during all seasons. The project is owned and operated by the U.S. Army Corps of Engineers Philadelphia District.
Blue Marsh Lake in the winter
With more than 36 miles of trails, 5,000 acres of land, 1,147 acres of water, picnic areas, a small beach and boat launches, Blue Marsh Lake can accommodate all kinds of outdoor enthusiasts during all seasons. The project is owned and operated by the U.S. Army Corps of Engineers Philadelphia District.
Blue Marsh Lake construction was completed by the U.S. Army Corps of Engineers in 1979 and has prevented more than $95 million in flood damages. The recreation program at the project attracts almost 900,000 visitors a year.
Blue Marsh Lake
Blue Marsh Lake construction was completed by the U.S. Army Corps of Engineers in 1979 and has prevented more than $95 million in flood damages. The recreation program at the project attracts almost 900,000 visitors a 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.

Areas of Expertise

Global Power Contracting

Bridge Safety Inspection

Coastal Planning & Engineering

Environmental Remediation

Groundwater Modeling