No transmountain diversions from the Roaring Fork for 10 days or so

A map of the Independence Pass Transmountain Diversion System, as submitted to Div. 5 Water Court by Twin Lakes Reservoir and Canal Co.

From The Aspen Daily News (Curtis Wackerle):

Water management issues on the East Slope mean that the Roaring Fork River will continue to experience natural flows unaltered by diversions beneath the Continental Divide for another week to 10 days, a Pitkin County official said on Wednesday.

On June 14, Twin Lakes Reservoir and Canal Co. ceased transbasin diversions from Grizzly Reservoir to the South Fork of Lake Creek, which in the weeks prior had been running at about 600 cubic feet per second. With that additional water going down the Roaring Fork toward Aspen, water levels spiked dramatically, from around 300 cfs above Difficult Creek on June 14 to 800 cfs by June 16. The river appears to have peaked at 1,200 cfs above Difficult Creek on Monday.

When the Fork is flowing near or above 1,000 cfs upstream of Aspen, water overtops the banks as the river meanders through the North Star Nature Preserve, creating what some are calling Lake North Star. Boaters this week have been able to float over what is normally acres of grassland between the highway and the foot of Aspen Mountain.

While Lake North Star has been drawing more boaters, higher flows throughout the basin have officials calling on the recreating public to take extreme caution whenever they are in or around rivers.

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