PROJ00406

• Contract/PO #: FS0004X
• Contractor Name: Green Mountain Exchange Project CWRDA
• Contract Type: Loan
• Water District: 0
• County: Grand
• Loan Projects - Doc Type: Feasibility Study

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2,0 ELEMENTS SELECTED FOR RECONNAISSANCE EVALUATION

Nine reservoir sites were initially identified by the Authority for consideration as Joint-Use
Reservoirs or as Replacement Reservoirs for the Green Mountain Exchange Project, The Authority
also identified the general requirements for the conveyance system. Selection of the candidate
reservoir sites for this study was based on the existence of a water right or claimed water right at the
site, geographic location within the Colorado River drainage, and previous studies conducted by the
CRWCD, DWB, USBR and others, As a result of pre-reconnaissance evaluation and screening, six
reservoir sites and one conveyance route were selected for reconnaissance evaluation, This chapter
describes the nine reservoir sites and the results of the initial screening analysis.

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RESERVOIR SITE DESCRIPTIONS

This section describes each of the reservoir sites which were considered during the pre-
reconnaissance evaluation,

Red Mountain: The Red Mountain Dam Site is located on the Colorado River one mile east of
Kremmling, Colorado, The dam would be located at a narrows, approximately 600 feet wide, formed
by the base of Red Mountain to the north and a terrace extending from Junction Butte to the south,
Upstream, a broad valley 4000 to 5000 feet wide would form the reservoir area, Reservoir capacities
ranged from 84,000 af to 140,000 af,

Havoark: The Haypark Dam Site is located on the East Fork of Troublesome Creek,
approximately 12 miles northeast of Kremmling, Colorado, Troublesome Creek flows south and
enters the Colorado River 4 miles east of Kremmling, . In the reservoir area, the East Fork of
Troublesome Creek meanders through a 600-foot wide valley floor, Reservoir capacities of 20,100 af
to 31,000 af were considered,

Wolford Mountain Sites A and A': Wolford Mountain Site A is located on Muddy Creek, 1 mile
upstream from Kremmling, Colorado, Site A', a refinement due to geotechnical concerns, is located
3800 feet upstream from Site A. At Kremmling, an east-west trending ridge forms a 280-foot high
bluff which overlooks the town, The north slope of this ridge would form the right abutment of the

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