Crews at McNary put in weirs at two of the spillway gates in 2007 to allow for passage closer to the surface of the water, where certain species of fish are more likely to approach.

“Alternatively, capacity can be increased using automatic spillway gates, which will increase the capacity of the dam by 15% to 50%, depending on the height by which it is raised and the ...

More than 456,000 of the fish were counted at McNary Dam, breaking the facility's previous record of 454,991 set in 2013. ... Crews also installed weirs at two of the dam's spillway gates, ...

McNary Lock and Dam would become one of the first projects of the new ... the 1,310-foot-long spillway with 22 vertical lift gates and the powerhouse that would contain 14 hydroelectric ...

To safely detect underwater maintenance needs at McNary Dam, the Army Corps of Engineers uses diving robots in the early winter, a slow time for migrating juvenile salmon.

An electronic message board keeps track of how much power is generated in real time at McNary Dam east of Umatilla. The sign displayed 479 megawatts Thursday afternoon, or enough electricity for ...

Automatic water control equipment supplier Amanziflow states that automatic spillway gates are the most efficient means of increasing return water dam capacity. https://www.miningweekly.com Search ...