PUB00028

• Year: 1999
• Title: Metropolitan Water Supply Investigation Final Report
• CWCB Section: Interstate & Federal
• Author: Rozaklis and Weaver
• Description: Investigation to explore cooperative solutions to future metropolitan Denver area water supply needs to minimize conflicts
• Publications - Doc Type: Brochure

Metropolitan Water Supply Investigation

Table of Contents

LIST OF FIGURES

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

...............................................................................................................................~
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 ofInterruptible 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 II: Estimate of Gross Supply Potential for Interruptible Supply Arrangements by Sub-

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

IV

Prepared for the Colorado Water Conservation Board, Colorado Department of Natural Resources by
Hydrosphere Resource Consultants. 1002 Walnut Street, Suite 200, Boulder, CO 80302