WSP11446

• File Number: 8220.112.I
• Description: Dallas Creek Participating Project
• State: CO
• Basin: Gunnison
• Water Division: 4
• Date: 10/1/1979
• Author: USDOI-BOR
• Title: Endangered Species Assessment: Dallas Creek Project Colorado
• Water Supply Pro - Doc Type: Report/Study

will have a dead and inactive storage capacity of 25,000 acre-feet including

20,900 acre-feet for recreation and 4,100 acre-feet for sediment retention.

For fishery maintenance in the Uncompahgre River, minimum flows of 75 second-

feet from Hay 16 to October 31 and 45 second-feet from November 1 to May 15

will be maintained below the confluence of Cow Creek and the Uncompahgre River

;1

to the Montrose and Delta Canal Diversion. Flows of at least 30 second-feet

will be maintained between Ridgway Dam and Cow Creek.

A water exchange agreement has been signed which allows the Tri-County

Water Conservancy District to utilize existing irrigation supplies from the

'I.

Gunnison River (through the Gunnison Tunnel) for raw drinking water in exchange

"
j

for irrigation water from Ridgway Reservoir.

>
~
~I

4.

Fish and Wildlife Plans

~

During the planning and early construction phases of the Dallas Creek

Project, the Bureau received fish and wildlife planning assistance from the

Fish and Wildlife Service and the Colorado Division of Wildlife. The Colorado .

Division of Wildlife made a biological inventory of the Uncompahgre River

A.

~,
~

Basin under contract with the Bureau, and Fish and Wildlife Service activities

~:
!~i
2:
J'

have been funded by the project annually in accordance with the Fish and

Wildlife Coordination Act. The Colorado Division of Wildlife (1976) addressed

~

As indicated previously,fishery flows will be maintained in the Uncompahgre

~,I,
J.i.
J(,
~~!

endangered species and this information is contained in Appendix A.

River. Table 1 shows comparative streamflows of the Uncompahgre River at

" I
I

Colona with and without the project.

, ,'I
, I
I

4

I
, I