FLOOD01459

• County: Gunnison
• Community: Uncompahgre Valley
• Title: Upper Gunnison-Uncompahgre Basin Phase 1 Feasibility Study Summary Report
• Date: 5/1/1989
• Prepared For: Colorado Water Resources and Power Development Authority
• Prepared By: HDR Engineering, Inc.
• Floodplain - Doc Type: Project

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1

2

3

4

5

6

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Noel.

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Noel.

TABLE e.5

Alternative Plan Calpar1son Table

ow.rail .......1Ia

IUUa.

I...U~uU_l/ III
aoai.l ~ c

-t:.

7.8
0.9
NA

Single purpos. d.v.lo~nt plan
benefit. only recr.ation.
Rel1a1li1i~y ot p..oj...~... direct
econoaic benefits 1. low to
8Oderat. at thi. at.aq. o,t atudy
tberefore tinancincJ vill be
reletively ditticult ~o
obtain eKC81K fot' CJranta.

. Multipurpoee clevelo~nt plan
bu~ _tita to .........tion and
flood control are r.latively
low, ...c at be..tita are
a9rlcultLll'al water supply.
Incl..,. tbr_ eta... one ot
vbicb will bave li.itad recreation
benefit. Public reaistance
i. expected to be ..vere.

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This plan cOabin.. alternatives
1 and 2. ....kn.._, except
slftCJle purpoae weakn..., noted
above exist in this plan also.
Plan provldaa .. relatively good
balance of benefit..

This plan reduce. the nu~r of
recreation coaponenta included
in Alt. Mo. J but ia the sa..
othenrl_. So_ reduction of
recreation benefit obviously
r.aulta, but a qood balance
ot benaUta i. atill obtalnecl.
Thia plan includ.. all the
recre.tion coaponent. of Alt.
No. 4 but only two ot the
r...rvo!ra.. The r_rvoirs
aati.fy about 60' ot identifiecl
irrigation abortaCJe.. Both
r...rvolra provide inetr...
flow enbanc_nt. and both are
potentially qOOd flatwater
recr..tion faciliti.. becAuse
r...~oir fluctuations are
acceptable. Thi. plan provides
. good balance of potential
beneUt..

This plan include. all the
recreation co~nents of
Alts. 4 and 5 but includ..
onl yon. re..rvoir. The
reservoir satisfi.. 40
percent of the identified
irrigation ahortaqe .nd
provides atrea.flow
enbanceasnt and good.
Ilatv_ter recreation potentlal.

(1)

Cost shown are as follows: top number is total investment cost expressed in millions of
dollars. second number is annualized investment cost also in millions. third number is
unit cost of storage expressed in S/af. All costs are in January 1989 prices.

Mo<\.

Mod.

83.2
1.5
137.0

Mod.

Noel.

91.4
7.5
15J.0

Mo<\.

Noel.

86.4
7.9
144.0

Mod.

High

62.0
5.7
126.0

_.

Noel.

35.8
3.3
132.0

6-9