Rising water temperatures and declining water quality are responsible for the death of nearly 200 fish at Grizzly Reservoir in Pitkin County, according to the results of Colorado Parks and Wildlife’s ...

A federal agency is investigating whether July releases from Grizzly Reservoir, which temporarily turned local rivers bright orange, were not in compliance with the federal Clean Water Act. Twin Lakes ...

Pitkin County officials say that a July release from Grizzly Reservoir that turned Lincoln Creek and the Roaring Fork River orange had minimal biological effects on fish and other aquatic life. Water ...

GRAND JUNCTION, Colo. (KJCT) - More water is on its way to Western Colorado. The Grizzly Reservoir is part of the Independence Pass Transmountain Diversion System. That system normally takes water ...

Metal toxicity caused the deaths of about 200 fish on Aug. 18 on the banks of Grizzly Reservoir at the end of Lincoln Creek Road near Independence Pass. Colorado Parks and Wildlife officials ...

Ongoing construction at the Grizzly Reservoir turned the Roaring Fork River orange as it ran through Aspen on Tuesday. The discoloration had remained in the upper valley as of Tuesday afternoon, with ...

Local rivers are seeing more water this summer because a high-alpine dam and reservoir maintenance project is preventing diversions to the Front Range. The Twin Lakes Reservoir & Canal Co. will not ...

Colorado’s mountains are pockmarked with orange tailings piles, adits, tunnels and rusted tramways, the remnants of a historic mining industry often blamed for fouling the state’s waterways. But a ...

Pitkin County officials say that a July release from Grizzly Reservoir that turned Lincoln Creek and the Roaring Fork River orange had minimal biological effects on fish and other aquatic life. Water ...