The Altoona Water Authority has received permission from the state and the county to deposit silt from the basin of Bellwood reservoir on ground it owns nearby. The permits from the Department of ...

City of Sioux Falls crews are digging into a project north of the airport where the Big Sioux River flows in the city. As the diversion dam holds back water, silt builds up in the river bed upstream ...

Before the historic removal of two dams on the Elwha River, scientists studied all the plant and animal species they could. They wanted to know how a giant plume of silt from the removal project would ...

About 6,000kg (13,227lbs) of silt has been collected at a base of a bridge in order to reduce blockages, a council has said. Witney Town Council said the work at Bridge Street had been carried out by ...

Three Black Hills lakes built from 50 to 90 years ago for their aesthetic and recreation qualities have been degraded by silt that diminishes water quality and encourages thick weed growth. But the ...