Denver Water closely manages the water temperatures on a daily basis. "We opened up the Jet Valve to warm up the water a bit. Surface temperatures on Cheesman Reservoir have been cooler than normal. Once we opened up the Jet Valve the water temperatures went from 49 to 51 degrees" said Dave Bennett from Denver Water. Bennett will continue to monitor the water temperatures and release additional cool water off the bottom (or through the Jet Valve) as needed. According to Bennett, "The optimum temperature range is between 50 and 60 degrees."
Currently, the water temperature is in the mid 50's in Cheesman Canyon, which is ideal for trout. Caddis are popping hard and the trout are loving life with the higher flows and increased feeding opportunities.
The biggest challenge is getting to the fish with the higher water levels. Anglers must pick and choose their spots wisely and target softer cushions behind boulders, logs, and other structure. All things considered, fishing has been very good during the high water season. I don't expect things to change anytime soon.