7886

• UCREFRP Catalog Number: 7886
• Author: Hydrosphere Resource Consultants.
• Title: Yampa River Basin Recommended Alternative, Detailed Feasibility Study
• USFW Year: 1995.
• USFW - Doc Type: Final Report.
• Copyright Material: NO

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LIST OF TABLES
Table 1-1 Preliminary Flow Recommendations at Maybell ................................... S-3
Table S-2 Project Cost Estimate .............................................. S9
Table 1-1 .....................
Existing Elkhead Dam/Reservoir Characteristics ............ .
1-5
Table 2-1 Summary of Current and Projected Water Demands ............................. . 2-4
Table 2-2 Summary of Modeled Water Rights Listed by Priority .......................... . 2-6
Table 2-3 Modeled Flows at Maybell - Current Conditions
with Consulted Depletions ............................................................. 2-11
Table 2-4 Preliminary Flow Recommendations at Maybell Gage .......................... 2-11
Table 2-5 Modeled Current Conditions Flows at Maybell ................................... 2-14
Table 2-6 Flows at Maybell (Current Potential Demands) ................................... 2-15
Table 2-7 Modeled Flows at Maybell at Projected 2040 Demand Level
Without Project ................. ..........................................
2-18
Table 2-8 Elkhead Reservoir Operational Flow Targets for the Yampa River

Table 2-9 at Maybell ................................................................................
Modeled Flows at Maybell at Projected 2040 Demand Level 2-20
With Project .............................................................................. 2-22
Table 3-1
Table 5-1 Comparison of PMF Estimates Elkhead Lake Dam ..............................
Construction Disbursement Schedule ................................................ 3-15
5-12
Table 5-2 Cost Estimate ...
Table 5-3
Table 6-1 Elkhead Enlargement Financial Requirements ....................................
USGS Stream Gages in the Elkhead Creek Basin ................................. 5-18
6-14
Table 6-2 Average Monthly Gaged Flows - Yampa River at Maybell ..................... 6-18
Table 6-3 Modeled Average Monthly Flows in Elkhead Creek
Below Elkhead Reservoir - Current Potential Conditions .......................
6-21
Table 6-4 Modeled Average Monthly Flows in the Yampa River at Maybell -

Table 6-5 Current Potential Conditions ..........................................................
Modeled Current Potential Condition Flows at Maybell ........................ 6-22
6-23
Table 6-6 Modeled Average Monthly Flows in Elkhead Creek

Table 6-7 Below Elkhead Reservoir - 2040 Demand Conditions Without Project ......
Modeled Average Monthly Flows in Yampa River at Maybell - 6-25
2040 Demand Conditions Without Project - ....................................... 6-26
Table 6-8 Modeled Flows at Maybell at Projected 2040 Demand Level
Without Project ..........................................................................
6-27
Table 6-9 Elkhead Reservoir Operational Flow Targets for the Yampa River

Table 6-10 at Maybell ................................................................................
Modeled Average Monthly Flows in Elkhead Creek 6-28
Below Elkhead Reservoir - 2040 Demand Conditions With Project .......... 6-30
Table 6-11 Modeled Average Monthly Flows in Yampa River at Maybell -
2040 Demand Conditions with Project .............................................. 6-32
Table 6-12 Modeled Flows at Maybell at Projected 2040 Demand Level

Table 6-13 With Project .............................................................................. 6-33
Water Quality Standards and Ambient Data .......
• 6-38
Table 6-14 ..............................
Background Air Quality Estimates .................... . 6-42
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