WSP10841

• File Number: 8200.760
• Description: Yampa River General
• State: CO
• Basin: Yampa/White
• Water Division: 6
• Date: 1/1/1993
• Author: Hydroshpere
• Title: Yampa River Basin Alternatives Feasibility Study - Executive Summary - Draft - January 1993
• Water Supply Pro - Doc Type: Report/Study

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\l!) I) 45ft

LIST OF TABLES

Table No.

Page No.

2-1 Characteristics of Reservoirs in the Yampa River Basin larger than 1000 af ......... 2-5
2-3 Contemplated Draft of the Juniper Project and Historical MaybelI Flow, cfs ........ 2-8
2-4 Agreements Subordinating the Juniper Project Water Rights ........................... 2-12

3-1 Recent Mining Activity, Routt and Moffat Counties....................................... 3-3
3-2 Irrigation Water Use in the Yampa River Basin for Irrigation........................... 3-5
3-3 Agricultural Water Use by County in 1985.................................................. 3-6
3-4 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
3-6 1985 Estimates of Municipal Water Use in Moffat and Routt Counties, WUIP ...... 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 ................. 3-16
3-12 Rates of Population Growth, Moffat and Routt County ..................................3-16
3-13 Population Projections, Moffat and Routt County......................................... 3-17
3-14 Near-Term Water Demand Scenario .... ..................................................... 3-17
3-15 Long-term Water Demand Scenario ....... ..................................... .............. 3-18
3-16 Near and Long Term Demands Assuming 1960 to 1990 Growth Rates............... 3-19

4-1 Reservoir Sites Subjected to Further Screening............................................. 4-3
4-2 Reservoir Sites Recommended for Further Study........................................... 4-5
4-3 Sites Review for a Long-term Project......................................................... 4-6
4-4 Reservoir Sites Chosen for Field Reconnaissance .......................................... 4-8
4-5 Multidisciplinary Reservoir Evaluation Matrix ............................................4-26
4-6 Reservoir Sites Recommended for Further Consideration ..............................;4-27

5-1 Additional Future Basin Depletions ........................................................... 5-4
5-2 Inflows Represented in the Yampa River Basin Model......;............................ 5-10
5-3 USGS Gages Used in Derivation of Model Inflows....................................... 5-11
5-4 Correspondence Between Projected and Modeled Demands .............. ............... 5-16
5-5 Demands Represented in the Yampa River Basin Model................................5-17

6-1 Model Development Scenarios ................................................................. 6-3
6-2 Water Delivery Shortages - Scenario 1........................................................ 6-6
6-3 Water Delivery Shortages - Scenario II....................................................... 6-11
6-4 Water Delivery Shortages - Scenario IlL.................................................... 6-16
6-5 Water Delivery Shortages - Scenario IV..................................'.................. 6-20
6-6 Water Delivery Shortages - Scenario V..................................................... 6-25
6-7 Modeled Reservoir Water Surface Fluctuations............................................ 6-29
6-8 Average Modeled Monthly Flows for Selected Reaches of the Yampa River........ 6-31
6-9 Minimum Modeled Monthly Flows for Selected Reaches of the Yampa River ......6-32
.6-10 Comparison of Modeled Juniper Canyon Flows ...........................................6-35

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