#YampaRiver: @COWaterTrust bumping up releases to 25 CFS

Yampa River Basin via Wikimedia.

From Steamboat Today (Eleanor C. Hasenbeck):

The Colorado Water Trust began releasing 15 cubic feet per second of water into the river July 14. That’s about the equivalent of 15 soccer balls worth of water rolling by per second, said Zach Smith, an attorney at the Colorado Water Trust.

New funding sources have allowed the Water Trust to purchase more water and increase the releases to 25 cfs. The additional water brings the total acre-feet intended to be released into the river from 600 acre-feet to 1,800 acre-feet.

“That’s actually a huge help for the river,” said Kelly Romero-Heaney, water resources manager for the city of Steamboat Springs. “If we can get some additional flow to the river, that increases the available habitat for the aquatic life, in addition to helping to bring down the stream temperatures, so it’s really important given how dry and hot the summer has been.”

The boost could help the Yampa River meet criteria to re-open the river to recreation within city limits. The magic numbers to lift the voluntary closure are a flow consistently greater than 85 cfs at the Fifth Street Bridge and a water temperature below 75 degrees. Managers also consider the levels of dissolved oxygen in the water. Conditions in the Yampa don’t meet these criteria right now.

Colorado Parks and Wildlife has also instituted a voluntary closure of the river from Chuck Lewis State Wildlife Area to the western edge of Steamboat. The agency recently lifted a second, mandatory fishing closure of the tailwaters of Stagecoach Reservoir.

The closures are intended to protect fish, riparian plants and other life that depends on the river. Trout are cold-water fish that have evolved to function best in water temperatures around 50 to 60 degrees, according to a Parks and Wildlife news release. When temperatures exceed 70 degrees, they often stop feeding and become more susceptible to disease.

“We’ve worked closely with partners up there, including Colorado Parks and Wildlife, to determine that this is an appropriate increase in flows and will create some real benefits for aquatic life and recreational users up there,” said Mickey O’Hara, a water resources engineer at the Colorado Water Trust. “It sounds like that reach below Stagecoach Reservoir, since it opened back up, has seen some significant use, and these flows should help fish especially through that region all the way down through the city.”

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