WSP06559

• File Number: 8220.112.A
• Description: Dallas Creek Participating Project
• State: CO
• Basin: Gunnison
• Water Division: 4
• Date: 3/11/1977
• Author: USDOI-BOR
• Title: Water Projects Review - Summary Analysis and Detailed Data
• Water Supply Pro - Doc Type: Report/Study

Environmental

1. Extent of significant impacts:

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a. Agricultural and forest land eliminated from production or,

potential production:

(1)
(2)
(3)

~
Crop land
Range or grazing
Forest land

Number of
Acres
645
51011
o

.~
,

land

!I An additional 2,560 acres of range land in the reservoir
right-of-way would remain in its present condition but livestock
grazing would be prohibited.

b, Up+and wildlife habitat eliminated or substantially modified:

c.

d.

(1) ~ ' Acres Primary Wildlife Species
Pinion':'Juniper wood- /' '" /)o,b
land,. brushland 890* ,/ Mule, deer, elk
Irrigated cropland 64S~ Nongame birds-
Riparian 75 Raptors, nongame birds
*Includes 455 acres devoted to recreation development
- C\O /:, o( t (r{. 'i' ~', ~~, ;':~''''~)}..'-
Wetland eliminated or substantially modified: None

Fisheries resources, area an~ type:

(1) Commercial type: None; area affected: none

(2) Sports type: Goldwater trout; miles of stream affected:

4.6 miles of stream will be inundated by Ridgway Reservoir.

(3) Local and National significance: No national, some local.

Water Quality: (specify, without mitigation, if any)

(1) Eutrophication in impoundments: Algae Growth Potential

tests on Source Water indicate that no significant

eutrophicatIon will occur in Ridgway Reservoir.

(2) Reduced downstream flow: Yes, 12 miles. Reduced early

season flows will occur in the Uncomphagre River between

)t "
Ridgway Reservoir aud the Montrose add/Delta Canal.

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