C153642 Feasibility Study

• Contract/PO #: C153642
• Contractor Name: Colorado River Water Conservation District
• Contract Type: Loan
• Water District: 0
• County: Garfield
• Loan Projects - Doc Type: Feasibility Study

LIST OF TABLES

Table No.

Page No.

S.I Summary of Current and Projected Water Use and Demand ............................. S-8
S-2 Reservoir Sites Chosen for Field Reconnaissance .........................................5-10
5-3 Sites Recommended for Further Consideration ............................................5-13
5-4 Model Evaluation Scenarios ............................. ............................... ....... S-18
S-5 Summary of Modeled Demand Shortages ...................................................5-22
S-{i Comparison of Delivery Shortages Between Initial and Final Model Runs
Assuming Phased Enlargement of Reservoirs ... ........................................... 5-26
5-7 Modeled Demand Shortages - Near Term (E1khead Enlargement) .....................5-29
5-8 Modeled Demand Shortages. Long Term (ElIrnead Enlargement).....................S-30
5-9 Average Modeled luniper Canyon Flows ...................................................5-31

2-1 Larger Existing Reservoirs of the Yampa River Basin ....................................2-7
2-2 Average Contemplated Draft of the Juniper Project
and Historical Maybell Flow...... ..... ...................................... .................2-11
2.3 Agreements and Conveyances Subordinating the Juniper Project Water Rights..... 2-15

3.1 Recent Mining Activity, Routt and Moffat Counties....................................... 3-3
3.2 Water Use for Irrigation in the Yampa River Basin above the Confluence
With the Little Snake River .....................................................................3-5
3-3 Agricultural Water Use by County in 1985.................................................. 3-{i
34 Electricity Generation and Water Use at Craig and Hayden Stations................... 3-7
3-5 Mining Water Uses in Routt and Moffat County, 1985................................... 3-7
3-{i 1985 Estimates of Municipal Water Use in Moffat and Routt Counties, WUlP ...... 3-9
3-7 Non.Thermoelectric M&I Depletions ............. ..... .... ....... .........., ................ 3-10
3-8 Recreational Use of Stagecoach Reservoir, Summer 1990...............................3-10
3-9 Division 6 Estimates of Reservoir Evaporation and Exports ............ ................ 3-11
3-10 Summary of Current Water Use and Demand .............................................. 3-12
3-11 Historical Population and Projections for Routt and Moffat Counties................. 3-17
3-12 Rates of Population Growth, Moffat and Routt County..... .. ........................... 3-17
3-13 Population Projections, Moffat and Routt County......................................... 3-18
3-14 Near.term Water Projection....... ..................... ........................ ................ 3-18
3-15 Long.term Water Projection .......... ........ ................................................. 3-19
3-16 Near and Long.Term Demands Assuming Lower Growth Rates ....................... 3-20

4-1 Reservoir Sites Subjected to Further Screening............................................. 4-2
4-2 Reservoir Sites Recommended for Further Study........................................... 4-{i
4-3 Sites Reviewed for a Long-term Storage Project ...........................................4-7
4-4 Reservoir Sites Chosen for Field Reconnaissance ..........................................4-8
4-5 Multi-disciplinary Reservoir Evaluation Matrix ......;....................................4-28
4-{i Sites Recommended for Further Consideration ............................................4-29

5-1 Additional Future Basin Depletions ........................................................... 54
5-2 Modeled Inflows in the Yampa River Basin ...............................................5-11
5-3 Gages Used in Derivation of Model Inflows ...............................................5-12
5-4 Projected and Modeled Demands .............................................................5-17
5-5 Demands in the Yampa River Basin Mode1.......... ...................... ................. 5-18

6-1 Modeled Development Scenarios .............................................................. 6-3
6-2 Summary of Modeled Demand Shortages.......... .......................................... 6-4
6-3 Water Demand Shortages - Scenario 1........................................................6-7

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