More than a mile long, the Grand Coulee Dam is the largest concrete structure in the U.S. In the fall of 2011, dam operators agreed to open the spillway just for American Experience. "It was very ...

USBR has awarded a contract to AMES Federal Contracting Group for the replacement of the spillway at Hyrum Dam in northern ...

The swirling concrete vortex at Lake Berryessa, known as the “glory hole”, has come to life once more. For the first time in six years, this unusual and hypnotic feature is fully visible, pulling ...

The work to be undertaken includes the installation of a reinforced cast concrete structure lining the existing walls and bed ...

The company will remove and control water at the affected site, excavate and remove the existing spillway, install new inverted siphons for irrigation canals and build a new reinforced concrete ...

Manx Utilities is to undertake a 'significant' refurbishment of the spillway channel at Cringle Reservoir. The spillway has served the site for 80 years, but now requires essential maintenance as ...