Metropolitan Water Supply Investigation Report

• Project Type: General OWC
• Title: Metropolitan Water Supply Investigation Final Report
• Date: 1/1/1999
• Water Conservation - Doc Type: Final Report

Metropolitan Water Supply Investigation

Table of Contents

I
I
I
I
I
I
I
I
I

LIST OF FIGURES

Figure 1 South Platte River Basin Water Supply Service and Source Regions .......................16
Figure 2: Major Service Areas of Major Water Providers in the Metro Denver Area ............22
Figure 3: Existing Municipal & Industrial Water Supply, South Platte Basin of Colorado ... 25
Figure 4: Denver Water' s Near-Term Strategy...... .................................................. ...............36
Figure 5: Denver's Unused Divertible Supplies South Platte and Blue Rivers Near-Term

Scenario........................................................................ .................. ....... ...........................44

Figure 6: Available Flows, South Platte River Below Denver................................................47
Figure 7: Map of Denver Basin Aquifers .................................................. .............................. 49
Figure 8: Map of Beebe Draw Aquifer...................... ........ ......................................... ..... ........ 51
Figure 9: Blue River Below Dillon Reservoir......................................................................... 60
Figure 10: Conjunctive Use Scenario 9 Effects on Dillon Reservoir Contents....................... 62
Figure 11: Conjunctive Use Scenario 9 Effects on Cheesman/II Mile Reservoir Contents ..62
Figure 12: Conjunctive Use Scenario 10 Effects on Dillon Reservoir Contents..................... 63
Figure 13: Conjunctive Use Scenario 10 Effects on Cheesman/II Mile Reservoir Contents 63
Figure 14: Relationships Between Various Temporary Transfer Arrangements .................... 92
Figure 15: Sub-Basins of the Northern Front Range Region ................................................106
Figure 16: Future Mix of Water Management Strategies, Metro Denver Area..................... 135

LIST OF TABLES

Table 1: Denver Water Contract Obligations ..........................................................................23
Table 2: Existing Municipal Water Use in the South Platte Basin (1996 Demand Conditions)

..........................................................................................................................................29

Table 3: Future Water Supply Plans for South Platte Basin Municipal Water Providers ....... 34
Table 4: Results of No-Borrowing, No-Recharge Scenarios................................................... 56
Table 5: Results of With-Borrowing Scenarios........................................................................ 58
Table 6: Metro Denver Area Reusable Supplies and Return Flows (Acre-Feet Per year).... 74
Table 7: Summary of Effluent Reuse Plans (Acre-Feet Per year)........................................... 79
Table 8: Results of Phase III Exchange Potential Analysis..................................................... 83
Table 9: Summary of Interruptible Supply Arrangement Studies and Implementations ........95
Table 10 (Maximum Option Price Which A Municipality Can Pay and Still Benefit Over
Purchasing the Water Right) (1988 $/ AF).. ........... ............................... ...... ......... ........... 105
Table 11: Estimate of Gross Supply Potential for Interruptible Supply Arrangements by Sub-

Basin........ .................................................................... ..................... .......................... .... 107

- . --~~ \/Jo'"r Conservation Board, Colorado Department of Natural Resources by