AppendixE

• Basin: Statewide
• Title: SWSI Phase 1 Report - Appendix E
• Date: 11/15/2004
• Author: CWCB
• SWSI - Doc Type: Final Report

Contents
Figures ................................................................................................... .... vii
Tables .................................................................................................... ..... ix
Acronyms .............................................................................................. ..... xi
I. Introduction ....................................................................................... ...... 1
II. Population Projections ...................................................................... ...... 3
DOLA Population Proj ections .......................................................... ...... 3
Allocation of Transbasin County Population Among Basins ........... ...... 5
III. Data Collection and Analysis .......................................................... ...... 9
Data Collection ................................................................................. ...... 9
Sample Database Statistics ............................................................... .... 10
Model Analysis ................................................................................. .... 15
GPCD Results from Sample Database .............................................. .... 18
Self-Supplied Water Use Information .............................................. .... 21
Average Annual Water Demand for Snowmaking ....................... .... 21
Average Annual Water Demand for Power Generation ............... .... 23
Average Annual Water Demand for Other Miscellaneous Self-
Supplied Water Users .................................................................... .... 26
Summary of Average Annual Water Demand for Self-Supplied Water
Users . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . . .. . 26
IV. Baseline Water Demand Estimates ................................................. .... 27
V. Conservation Impacts on SWSI Water Demand Forecast ............... .... 33
M&I Passive Conservation Effect .................................................... .... 33
M&I Active Conservation Effect ...................................................... .... 36
The Cost of Water Conservation Programs ...................................... .... 42
Estimating Costs for Proposed Levels of Conservation Effort ......... .... 43
Water Demand Forecast with Current and Alternative Levels of
Conservation Effort ............................................................................... .... 44
VI. Forecast Demand Scenarios ............................................................ .... 47
Scenario Descriptions ....................................................................... .... 47
Current (Expected) Scenario ......................................................... .... 47
Low Water Use Scenario .............................................................. .... 47
High Water Use Scenario .............................................................. .... 47
Scenario Water Demand Forecasts ................................................... .... 47
VIL Consumptive Use Forecast ............................................................ .... 51
Definition of Terms ........................................................................... .... 51
M&I Consumptive Water Use Rates ................................................ .... 51
Appendix A DOLA County Population Projections ............................. .. A-1
Appendix B Self-Supplied Water Use by County .................................. B-1
Contents v