The old dredge, installed in 1954, could pull out about 200 tons of material in a week. The new one can vacuum up 8,000 tons in a week and operates with electric power instead of diesel fuel.

The dredge acts like a pool cleaner, stirring up the underwater sediment before vacuuming it to the surface. Start the day smarter. Get all the news you need in your inbox each morning.

The federal Environmental Protection Agency is proposing to continue underwater dumping of toxic dredge material at a site in the Eastern Long Island Sound that had been scheduled to close at the ...

The Autonomous Underwater Maintenance Dredger (AUMD) design developed by C-Job Naval Architects is a completely submerged dredging vessel specifically created for maintenance in port environments.

More than 100 species of rare underwater sponges will be lost forever when dredging of the entrance to Victoria's Port Phillip Bay begins, green groups say.

The creeks are located near downtown, with Big Fishweir Creek entering the St. Johns River just north of the Ortega River.

EPA Opposes Dredging for 4 Maryland Waterways. By Anita Huslin. ... saying the work would set a dangerous precedent by destroying ecologically valuable underwater grasses. ...

Underwater grasses, otherwise known as Submerged Aquatic Vegetation (SAV), are vital to the health of the Chesapeake Bay. The grasses provide habitat for fish and crabs, oxygenate the water ...

Dredging works take a heavy toll on marine ecosystems. Research divers armed with underwater cameras have revealed how a toxic combination of increased development activity and pollution is ...

FORT EDWARD — Officials are assessing damage to underwater remains of an 18th-century fort after a worker dredging PCBs from the Hudson River accidentally pulled out several submerged timbers ...