Construction of fish screen would benefit Rifle Gap

Anglers at Rifle Gap Reservoir may have the opportunity to pursue better populations of smallmouth bass and walleye with the construction of a fish screen just below the dam on Rifle Creek. The screen will prevent warmwater sportfish from escaping the reservoir.



Partners involved in the screen project include Parks and Wildlife, the Silt Water Conservancy District and the U.S. Bureau of Reclamation.

An expanded fishery at Rifle Gap Reservoir got another step closer when Colorado Parks and Wildlife recently began construction of a fish screen in Rifle Creek below the reservoir.

The screen, which is expected to be operational by next spring, will prevent non-native fish that may escape the reservoir from going down Rifle Creek to the Colorado River where the non-native fishes might harm native fishes.

It’s all part of the Upper Colorado River Endangered Fish Recovery program and the only way the state legally could stock and manage non-native warmwater fish in Rifle Gap.

“This is a win-win project all the way around,” said Lori Martin, aquatic biologist for Colorado Parks and Wildlife. “We are protecting native fish populations downstream, while simultaneously having the opportunity to improve a combination, cool-warmwater fishery within Rifle Gap Reservoir.”

Martin said the agency is responding to anglers seeking more diversity while also adhering to the tenets of the endangered fish recovery program.

Partners involved in the screen project include Parks and Wildlife, the Silt Water Conservancy District and the U.S. Bureau of Reclamation.

A majority of the funding for the project came from funds generated from the sale of fishing and hunting licenses.

Total dollar amounts were not available this week from Colorado Parks and Wildlife.

The existing smallmouth bass and walleye fishery in Rifle Gap Reservoir has been self-sustaining since the 1960s when the then-Division of Wildlife stocked both species, prior to the inception of the recovery program.

However, the recovery program mandates only trout can be legally stocked into Rifle Gap Reservoir.

After the fish screen is in place, and a new lake management plan has been approved by the Fish and Wildlife Service and other recovery program partners, Colorado Parks and Wildlife will be able to stock and actively manage such fish as smallmouth bass and walleye.

The recovery program is a multi-state, multi-agency effort headed by the Fish and Wildlife Service with the goal of recovering four endangered fish found only in the Upper Colorado River system ­— the Colorado pikeminnow, razorback sucker, bonytail chub, and humpback chub.

Current recovery efforts include removing non-native predators from sections of the upper Colorado River system, including stretches of river in and around Grand Junction where state and federal crews have been working for several years.

The recovery program also includes building ponds for raising native fish, such as those recently finished along the Colorado River south of Fruita.


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