PROJ00273

• Contract/PO #: C153368
• Contractor Name: Cache LaPoudre Water Development Study
• Water District: 0
• County: Larimer
• Bill Number: SB 81-439
• Loan Projects - Doc Type: Feasibility Study

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c.
D.
E.

6.. Future Water Supply...................................................................... .111-.4
INFLOW DESIGN FLOODS.......................................... ... ...111....5
SEDIMENT .................................................................. ..111--6
WATER RIGHTS CONSIDERATIONS... ........... ............................... .111--6
1. General............................................................................................. .111--6
2. Storage Decrees............................................................................. .111--7

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3.
4.
5.

Decreed Alternate Point of Storage....................................... .111...8
Administrative Options............................................................. .111-'11
Asswnptions. ..................................................................... .111-11

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CBAP~ IV ~RB ~~ RBSOURCBS ~BMBNT.......................IV-l
A. INTRODUCTION................................................ .IV-1

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B.
C.

POPULATION PROJECTIONS....................................... IV-.1
WATER USE PROJECTIONS....................................... .IV-2
1. Municipal and Industrial Water Uses.....................IV-2
2. Agricultural Water Uses.................................IV-8
a. Current Agricultural Water Use.....................IV-8
b. Future Agricultural Water Use......................IV-9
OPPORTUNITIES FOR IMPROVED WATER MANAGEMENT............... ..IV-13

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D.

E. POWER DEMAND PROJECTIONS................................... .IV-16

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CBAP'1'BR V I'ORIIJLM'IOl AND SBLBC'rI0l OF PRBLIMINAIlY
AL~IVB p~ (PBASI I)...........................V-1
A. INTRODUCTION................................................. .V-1

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B. DEVELOPMEN'I' CONCEPTS.......................................... V-1

General....................................... ....... ... .V-1

c.
D.

1.
2.
3. Reservoirs for Hydroelelectric Development...............V-2
SELECTION OF THE PRELIMINARY ALTERNATIVE PROJECTS............ .V-3
FORKlLATION OF PRELIMINARY ALTERNATIVE PROJE~S...............V-6
1.
2.

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Reservoirs for Conservation Storage......................V-1

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General............. .................................... .V-6

Clt?eration Studies....................................... .V-6
a. Assumptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V-7
b. Model COnfigurations................................V-9

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c. Results......... .............. ......... ........... .V-10
3. Description of Potential Major Reservoir Sites..........V-24
a. Grey Mountain Dam..................................V-24
b. New Seaman Dam.....................................V-24
c. Elkhorn Dam....................................... .V-24
d. Indian Meadows Dam.................................V-25

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e. Rockwell Dam....................................... V-25
f. Idylwilde Dam......................................V-25
g. Upper Poudre Dam...................................V-25
4. Description of Preliminary Alternative Projects.........V-25
a. Preliminary Alternative 1..........................V-25
b. Preliminary Alternative 2..........................V-26
c. Preliminary Alternative 3..........................V-26
d. Preliminary Alternative 4..........................V-27
e. Preliminary Alternative 5..........................V-27
f. Preliminary Alternative 6..........................V-28
g. Preliminary Alternative 7..........................V-29

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