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Jumbo Reservoir opens to boating March 16
CPW News Release
DENVER -- With warm spring days upon us, Colorado Parks and Wildlife will begin offering boat inspections at Jumbo Reservoir starting on March 16. The boat inspection station will be operating from 30 minutes before sunrise to 30 minutes after sunset daily. Inspections are mandatory prior to entering the reservoir. Boating is only permitted during inspection hours and all boats must be off the water prior to the inspection station closing.

“With Jumbo’s proximity to out-of-state waters, it is considered a high risk for introduction of aquatic invasive species such as zebra and quagga mussels” said Robert Walters, Invasive Species Specialist for Colorado Parks and Wildlife, “Through our mandatory inspection and decontamination program and with the continued support of the reservoirs users, we have successfully kept these invasive species out of Jumbo’s waters.”

Based on 2017 fall sampling, anglers can expect a good walleye bite as soon as the boat ramp opens. For more information about the fishery at Jumbo Reservoir anglers can visit the Fish Survey Summary on the Colorado Parks and Wildlife website at

All boat owners are required to clean, drain, and dry their boats. This process includes removing water drain plugs and aquatic vegetation before the first launch of the season. After that, owners must do so every time they leave a body of water. For additional information on the watercraft inspection and decontamination program please visit