ArkansasComments09

• Basin: Arkansas
• Title: Comments 9
• Date: 10/24/2003
• SWSI - Doc Type: Comments

Stream Reach:

Colorado River below GranbYjReservoir

rl

Problem Identified: 1. Inadequate flows do not pr~vide necessary physical habitat for
fish.

Minimum Flow:

Optimum Flow:

Comments:

30 cfs year rOlUld

40-50 cfs year round .
Basis: infonnation provided by Jay Warner (Ouray Ranch, Granby,
Colorado - [phone]) I
I
i

Ramping is preferred to simulkte the natural hydrograph is
preferred when reservoir rele&ses change.

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Stream Reach: Williams Fork River below WF Reservoir
I

,
Problem Identified: 1. Inadequate flows do not provide necessary physical habitat for
fish. '
2. High flows making wading dangerous.

Minimum Flow:
Maximum flow:
Optimum flow:

Other info:

50 cfs year round
450 cfs
200 cfs year round ,
Basis: infonnation provided ~y Dale K. Fields, Summit Guides
I
!
The SEIS required boulder placement for habitat improvement as a
mitigation measure below Williams Fork Reservoir.

....,

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Other Areas of Coreern:

Stream Reach: South Fork Ranch Creek !
Other: Brook trout access into lower reaches of Colorado River Cutthroat
inhabitated areas is creating problems for ongoing ~ttempts to stabilize and enhan,ce
cutthroat populations. Observations indicate brook! trout access via the underground
Denver Water collection system which empties, abpve ground, into South Fork Ranch
Creek.

Brook trout access to South Fork Ranch Creek canibe addressed in several ways:
. Eliminate access into the Moffat collection sys~em by installing fish screens at Middle
Pork Ranch Creek, Ranch Creek, Trail Creek, and Meadow Creek diversions into the
Denver Water collection system. '