Managing Water

Acknowledgments ix Introduction 1 A Land and Water Overview 4 Climate 6 Our Rivers Today 9 1. Los Angeles Area Water Supplies 14 Local Surface Water: Rivers, Streams, Lakes, and Reservoirs 14 Groundwater 22 Imported Water 33 Conclusion 50 2. Water Management: Who's in Charge? 53 Water Suppliers--Wholesale 55 Water Suppliers--Retail 70 Groundwater Management Agencies 82 Wastewater Management Agencies 92 Stormwater Management Agencies 96 Water Quality Regulatory Agencies 100 Associations of Water Agencies 104 Water Management Accountability 105 The CALFED Process 109 Conclusion 111 3. Water Use Efficiency 113 Conservation--Current Practices 114 Reclamation and Reuse 132 Conjunctive Use 151 Watershed Management 155 Ocean Desalination 164 Conclusion 166 4. Drinking Water Quality 170 Drinking Water Regulatory Overview 171 Drinking Water Standards and Monitoring Requirements 179 Water Treatment Processes 183 Potential Types of Contaminants in Drinking Water Sources 188 Water Quality Issues, by Source 191 Coordinated Efforts to Clean Up Drinking Water in the Los Angeles Area 214 Conclusion 216 5. State Policy and the Los Angeles Area 218 Statewide Uncertainties 219 Projected Shortages at Each Aqueduct System 224 Statewide Efficiencies 228 Water Rights, Costs 237 Water Transfers vs. Water Marketing 239 Planning Processes 249 Political Consensus 263 Conclusion 265 Elements of a Sustainable Statewide Water Policy 269 Glossary 273 Native Plant Resources 285 Websites of Interest 287 Suggested Readings 293 Index 297