A weir is a small dam built across a river to control the upstream water level. Weirs have been used for ages to control the flow of water in streams, rivers, and other water bodies.

For years, the lock and dam have been at the center of a controversy ... The corps wants to replace the lock and dam with a rock weir – a low barrier in the water – to control the flow ...

The U.S. Army Corps of Engineers, St. Paul District, will host an open house on its Lock and Dam 7 outdraft weir modification project Feb. 27, from 5:30 p.m. – 7 p.m. in the Nursing Center at ...

A dam is structure built across a river to hold water back, it can be used to store water, control flooding or make electricity. A weir is similar to a dam but it is a lot lower. Dam Removal ...

KWA said that the dam is intended to alleviate the severe drinking ... the authority planned to construct a weir that would be 45 metres long and 1 metre high across the river.

Menindee locals are frustrated by NSW Government delays in getting a $5.6m temporary fishway operating on the Lower Darling River – which has seen only a couple of golden perch pass through it into ...