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Santa Ana 2020 Urban Water Management Plan <br />arcadis.com <br />iv <br />6.10.1.1 Operational Control and Reporting Period ............................................................... 6-38 <br />6.10.1.2 Volume of Water Entering Processes ...................................................................... 6-38 <br />6.10.1.3 Energy Consumption and Generation ...................................................................... 6-38 <br />6.10.2 Wastewater and Recycled Water Energy Intensity .......................................................... 6-38 <br />6.10.2.1 Operational Control and Reporting Period ............................................................... 6-41 <br />6.10.2.2 Volume of Wastewater Entering Processes ............................................................. 6-41 <br />6.10.2.3 Energy Consumption and Generation ...................................................................... 6-41 <br />6.10.3 Key Findings and Next Steps ........................................................................................... 6-41 <br />7 Water Service Reliability and Drought Risk Assessment .................................................................. 7-1 <br />Water Service Reliability Overview .............................................................................................. 7-1 <br />Factors Affecting Reliability ......................................................................................................... 7-3 <br />7.2.1 Climate Change and the Environment ................................................................................... 7-3 <br />7.2.2 Regulatory and Legal ............................................................................................................. 7-4 <br />7.2.3 Water Quality .......................................................................................................................... 7-4 <br />7.2.3.1 Imported Water ............................................................................................................... 7-5 <br />7.2.3.2 Groundwater ................................................................................................................... 7-5 <br />7.2.4 Locally Applicable Criteria ...................................................................................................... 7-8 <br />Water Service Reliability Assessment ......................................................................................... 7-8 <br />7.3.1 Normal Year Reliability ........................................................................................................... 7-8 <br />7.3.2 Single Dry Year Reliability ...................................................................................................... 7-9 <br />DWR Submittal Table 7-3 Retail: Single Dry Year Supply and Demand Comparison ................................... 7-10 <br />7.3.3 Multiple Dry Year Reliability ................................................................................................. 7-10 <br />Management Tools and Options ............................................................................................... 7-12 <br />Drought Risk Assessment ......................................................................................................... 7-13 <br />7.5.1 DRA Methodology ................................................................................................................ 7-13 <br />7.5.2 Total Water Supply and Use Comparison ............................................................................ 7-15 <br />7.5.3 Water Source Reliability ....................................................................................................... 7-17 <br />8 Water Shortage Contingency Planning .............................................................................................. 8-1 <br />Layperson Description ................................................................................................................. 8-1 <br />Overview of the WSCP ................................................................................................................ 8-1 <br />Summary of Water Shortage Response Strategy and Required DWR Tables ........................... 8-2