PROJ02105

• Contract/PO #: FS0065FX
• Contractor Name: Greeley and Loveland Irrigation Company
• Contract Type: Loan
• Water District: 0
• County: Larimer
• Loan Projects - Doc Type: Feasibility Study

I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I

Table of Contents

Certification ........... ........... ........... ........... ........... ........... ........... ........... ........... ........... 1

Acknowledgments.... ........... ........... ........... ........... ........... ........... ........... ........... ........... 11

Executive Summary........... ........... ........... ........... ........... ........... ........... ........... ........... 111

Table of Contents .... ........... ........... ........... ........... ........... ........... ........... ........... ........... v

Cha pter I - Introd Detion..... ............. ...... ...... .... ...... ... .... ............ ....... ..... ...... .... ...... .......... .... ........... ............. 1

Chapter II - Description of Sponsoring Entity .........................................................................................3

Chapter III - Background Information .................................................................................................... 6

A. Previous Studies.. ....... ...................... ....... .... ...... ............................ ..... ..................... ............ 6

B. Project History ..... ............................................. ................ .................................................. 6

C. Study Area and Existing Facilities Description................................................................... 6

D. Water Demands...... ..................... .......... ................ ............... ...................................... ......... 8

E. Project Lands ...... ........... ............ ..... ................. ............. ........... .......... ..................... ............ 8

F. Hydrology and Water Rights.. ...... .......... ........... ..................................... ............ ...... ........... 8

F.1 Flood Hydrology... ......... ................... ...... ...... ............ ................ ............... ..................... 8

F .2 Water Rights............ ..... .............. ........ ..... ........ ................... ....... .......... ........... .... .......... 9

G. . Field Investigations ....... ........................................ ............... ....... ................ ...................... 11

Chapter IV - Formulation of Alternatives .............................................................................................. 12

A.1 Alternative 1 - Cut and Cover .......................................................................................... 12
A.2 Alternative 2 - Cut and Cover Variation .................................................................... 12

Chapter V - Evaluation of Alternatives .................................................................................................. 18

A. Impacts......................................................... ...... .................................... .......... ....... .......... 18

A.1 Man-Made Environmental Impacts ............................................................................ 18
A.2 Natural Environmental Impacts .......... ................................ ............................ .... ........ 18
A.3 Social Structure Impacts...................................... .......... ..................................... ........ 19
B. Institutional Considerations... .......... ........... ...... ................................... .......... ........ ...... ..... 19

C. Comparative Evaluation.............................. ....... .............................................. ................. 19

Chapter VI - Selection of Alternative and Financial Plan..................................................................... 24

A. Narrative Description................. ............... ................. ....................................................... 24

B. Hydraulic and Structural Design Criteria .......................................................................... 24
C. Land and Right-of-Way Requirements ............................................................................. 25
D. Project Implementation Schedule............................................. ..... ........... ............. ............ 25

E. Cost Estimates............................................................................................. ...................... 25

F. Financial Progratn.... ......... ....... ........................... ................................................... ........... 27

G. Institutional Considerations........................... .......... ........... ...................................... ........ 29

H. Benefits ................ ...... ........... ............................................. ........... ................. ......... .... ...... 29

Boyd Lake Dam Outlet System Feasibility Study

v

IiICJVLE