Concrete weirs built in the 1950s in Big Chico Creek are obstructing Chinook salmon and steelhead trout from reaching ...

A project to allow eels and other fish to safely bypass a man-made weir has been completed. The concrete weir, created by Essex and Suffolk Water in the River Blackwater, near Maldon, Essex, was ...

Decommissioning of the concrete weir in Coats Marsh Regional Park has received federal approval, one of two regulatory requirements the Regional District of Nanaimo and The Nature Trust of BC need ...

A new concrete surface can be seen Tuesday on the energy-dissipating dentates at the bottom of the main Oroville Dam spillway. The structures were beaten up by concrete washing down the chute when ...

Structural concrete for the project will include a weir crest structure with an adjoining stilling basin, a fish passage and fish ladder facility, and the vehicle bridge structure.

The present $70,000 concrete weir was reviewed between 2006 and 2008 in comparison with an open-and-closing structure, then preferred by the council and some stakeholder groups, but estimated to ...

The structure will be replaced with a concrete weir, with sluice gates 2m (6.5ft) further away from the bridge, and will include a fish pass and stairs.