EXHIBIT 1 EXHIBIT 2 Final Mojave Region Integrated Regional Water Management Plan Photos Courtesy of Jim Quigg, Eyerly Dickerson, and Jerry Laursen Kennedy/Jenks Consultants June 2014 2775 North Ventura Road, Suite 100 Oxnard, California 93036 805-973-5700 805-973-1440 (Fax) Final Mojave Integrated Regional Water Management Plan June 2014 Prepared for Mojave Water Agency 22450 Headquarters Drive Apple Valley, CA 92345 K/J Project No. 1389002*00 Table of Contents List of Tables ..................................................................................................................................................................................... xiii List of Figures .................................................................................................................................................................................... xiv List of Appendices ............................................................................................................................................................................ xvi List of Acronyms ............................................................................................................................................................................. xvii Section 1: Introduction ............................................................................... 1-1 1.1 Background ........................................................................................................................ 1-1 1.1.1 Formation of the IRWM Region .................................................................. 1-1 1.1.2 Regional Features ............................................................................................. 1-2 1.1.3 Primary Focal Points for the IRWM Plan ................................................ 1-6 1.1.4 Regional Water Management Group ........................................................ 1-6 1.1.4.1 Mojave Water Agency ............................................................. 1-7 1.1.4.2 Victor Valley Wastewater Reclamation Authority ...................................................................................... 1-8 1.1.4.3 MWA Technical Advisory Committee ............................... 1-8 1.1.4.4 Mojave Desert Resource Conservation District ............ 1-8 1.1.4.5 Morongo Basin Pipeline Commission ............................... 1-9 1.1.5 Coordinating Committee ............................................................................... 1-9 1.1.6 Existing IRWM Plans and Previous Planning Efforts ....................... 1-10 1.2 Stakeholder Involvement ........................................................................................... 1-11 1.2.1 Overview of Stakeholder Involvement Process ................................. 1-11 1.2.2 Stakeholders/Plan Participants ................................................................ 1-11 1.2.2.1 Municipal and County Governments .............................. 1 - 1 2 1.2.2.2 Wholesale and Retail Water Purveyors, Wastewater Agencies, Flood Management Agencies, and Other Special Districts ............................. 1-12 1.2.2.3 State and Federal Regulatory and Resource Agencies ...................................................................................... 1-14 1.2.2.4 Environmental Community ................................................ 1-15 1.2.2.5 Tribal Community ................................................................... 1-16 1.2.2.6 Disadvantaged Communities ............................................. 1-16 1.2.2.7 Wastewater Agencies ............................................................ 1-17 1.2.2.8 Electrical Corporations ......................................................... 1-17 1.2.2.9 Community Organizations .................................................. 1-18 1.2.2.10 Self-Supplied Water Users .................................................. 1-19 1.2.2.11 Industry Organizations ......................................................... 1-19 1.2.2.12 Others .......................................................................................... 1-19 1.2.3 Public Outreach Process .............................................................................. 1-20 1.2.3.1 Inclusive Planning Area Outreach .................................... 1-20 1.2.3.2 Disadvantaged Community Outreach ............................. 1-21 1.2.3.3 Tribal Outreach ........................................................................ 1-22 1.2.4 Interregional Coordination ......................................................................... 1-22 1.3 Plan Development ......................................................................................................... 1-23 1.3.1 Goals for the IRWM Planning Process .................................................... 1-23 Mojave IRWM Plan, Final June 2014 Page TOC-i f:\2013\1389002 00 01 & 02_mojavewateragency_irwmp\09-reports\draft sections\final\mojave_irwm plan_final_cp 06.19.14.doc Table of Contents (cont’d) 1.3.2 Plan Development Process ......................................................................... 1-24 1.3.2.1 Overview .................................................................................... 1-24 1.3.2.2 Topics for Engagement ......................................................... 1-25 1.3.2.3 Plan Section Development and Refinement ................. 1-25 1.4 Plan Organization .......................................................................................................... 1-26 1.5 Plan Adoption .................................................................................................................. 1-26 Section 2: Region Description .................................................................... 2-1 2.1 Introduction and Overview ......................................................................................... 2-1 2.2 Physical Setting ................................................................................................................ 2-1 2.3 Land Use .............................................................................................................................. 2-3 2.4 Ecological Processes and Environmental Resources ........................................ 2-8 2.4.1 Sensitive Biological Resources .................................................................... 2-9 2.4.2 Wildlife Corridors ........................................................................................... 2-12 2.4.3 Areas of Ecological Significance in the Region ................................... 2-13 2.4.3.1 Areas of Critical Environmental Concern ..................... 2-13 2.4.3.2 Parks, Reserves and Wilderness Areas .......................... 2 - 1 9 2.5 Social and Cultural Characteristics......................................................................... 2-20 2.5.1 Demographics and Population .................................................................. 2-20 2.5.1.1 Population Projections ......................................................... 2-22 2.5.2 Economic Factors ........................................................................................... 2-23 2.5.3 Disadvantaged Communities ..................................................................... 2-24 2.5.4 Social and Cultural Values ........................................................................... 2-24 2.5.4.1 Maintenance of Agricultural Character .......................... 2-24 2.5.4.2 Cultural Resources ................................................................. 2-26 2.5.4.3 Maintenance of Recreational Opportunities ................ 2-26 2.5.4.4 Environmental Enhancement ............................................ 2-27 2.5.4.5 California Native American Tribes .................................. 2-27 2.6 Hydrologic Features ..................................................................................................... 2-28 2.6.1 Watersheds ....................................................................................................... 2-28 2.6.2 Groundwater Basins ...................................................................................... 2-29 2.6.2.1 Mojave River Groundwater Basin .................................... 2-30 2.6.2.2 Morongo Basin/Johnson Valley Area ............................. 2 - 3 2 2.6.2.3 Adjudication .............................................................................. 2-32 2.6.3 Geology ............................................................................................................... 2-35 2.7 Overview of Water Supplies ...................................................................................... 2-38 2.8 Water Related Infrastructure ................................................................................... 2-38 2.8.1 Retail Water Purveyors ................................................................................ 2-38 2.8.2 Mojave Region Infrastructure ................................................................... 2-39 2.9 Climate ............................................................................................................................... 2-40 2.9.1 Climate Change ................................................................................................ 2-41 2.10 Mojave Region Expansion Areas ............................................................................. 2-44 2.10.1 Twentynine Palms Area ..............................................................................