Valve testing means more water in South Platte River below Cheesman Dam

JEFFERSON COUNTY, Colo. - If you fish or kayak on the South Platte River below Cheesman Dam, expect to see increased water flow on Tuesday and Wednesday.

Denver Water is testing a new valve system at Cheesman Dam June 10 and 11.

"During the testing, the flow in the South Platte River below Cheesman Dam to Deckers will run in excess of 1,000 cubic feet per second, and flows are expected to run even higher between Deckers and Strontia Springs Reservoir," Denver Water officials said on their website.

"The test has been planned to coincide with peak runoff when flows will already be high,” said Dave Bennett, water resource manager for Denver Water. “However, we want to advise recreationists below the dam about the exceptionally high flows over the two-day test so no one is caught off guard.”

The flows below Cheesman Dam are normally 600 and 800 cubic feet per second during peak runoff.

Cheesman Canyon will remain open during the testing.

The new valves were installed in 2012.

"Until now water supply conditions have been too low to fully test the new valves," Denver Water said.

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