Water Management Plan 2012
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WESTLANDS WATER DISTRICT Water Management Plan 2012 4/19/2013 Water Management Plan Update meets Federal (United States Bureau of Reclamation) Central Valley Project and California (Department of Water Resources) Water Conservation Act of 2009 (SBx7-7) requirements. District Name: Westlands Water District Contact Name: Russ Freeman Title: Supervisor of Resources Telephone: (559) 241-6241 E-mail: [email protected] Web Address westlandswater.org Westlands Water District Board of Directors Don Peracchi, President Daniel Errotabere, Vice President Larry Enos Frank Coelho, Jr. Todd Neves Donald Devine Alan Sano Gary Esajian Sarah Woolf Senior Staff Thomas Birmingham, Craig Manson, General Manager General Counsel Jason Peltier, Dave Ciapponi, Jim Snow, Chief Deputy District Secretary & Deputy General Manager – General Manager Treasurer Water Policy Susan Ramos, Tom Glover, Deputy General Manager – Deputy General Manager – Resources Resources Water Conservation Coordinator Russ Freeman Supervisor of Resources Management Water Conservation Program Staff Dennis R. Loyd Associate Resources Analyst Table of Contents List of Tables ............................................................................................................................................... iv List of Figures ............................................................................................................................................... v Common Abbreviations ............................................................................................................................... vi Introduction ................................................................................................................................................... 1 Summary ....................................................................................................................................................... 2 Water Conservation Program .................................................................................................................... 2 Section 1 ....................................................................................................................................................... 5 Historical Background .............................................................................................................................. 7 District Formation ................................................................................................................................... 12 2011 Non-Agricultural Uses ................................................................................................................... 13 Soils and Hydrology................................................................................................................................ 13 Agricultural Drainage ............................................................................................................................. 14 Climate .................................................................................................................................................... 19 Climate Change ....................................................................................................................................... 20 Potential Climate Change Effects ....................................................................................................... 20 District Planning ................................................................................................................................. 20 Environment ............................................................................................................................................ 21 Environmental Resources ....................................................................................................................... 21 Recreational Resources ........................................................................................................................... 21 Water Distribution System ...................................................................................................................... 23 District Facilities ..................................................................................................................................... 23 Facilities Maintenance and Replacement ................................................................................................ 23 Leak Detection ........................................................................................................................................ 24 Water Measurement ................................................................................................................................ 26 Description of Meters ......................................................................................................................... 27 District Operations .................................................................................................................................. 28 Reclamation Law .................................................................................................................................... 28 Water Costs ............................................................................................................................................. 29 District Revenue Sources ........................................................................................................................ 32 Agricultural Water Payments .................................................................................................................. 32 Landowner Assessments ......................................................................................................................... 32 District Financial Resources Summary ................................................................................................... 33 Legal Background and Issues ................................................................................................................. 34 Water Shortage Contingency Plan .......................................................................................................... 35 Plan of Action ......................................................................................................................................... 36 Section 2 ..................................................................................................................................................... 37 Water Resources Inventory ..................................................................................................................... 37 Water Supply .......................................................................................................................................... 39 Groundwater Supply ............................................................................................................................... 40 Other Water Supplies .............................................................................................................................. 42 i Restrictions on the District’s Water Sources .......................................................................................... 43 Source Water Quality Monitoring Practices ........................................................................................... 43 Crop Production ...................................................................................................................................... 44 On-Farm Irrigation Systems .................................................................................................................... 54 Seasonal Application Efficiency ............................................................................................................. 55 Distribution Uniformity .......................................................................................................................... 57 Future Water Requirements .................................................................................................................... 59 Water and Salt Balance ........................................................................................................................... 62 Water Balance ......................................................................................................................................... 62 Salt Balance ............................................................................................................................................ 63 Municipal and Industrial Uses ................................................................................................................ 64 Groundwater Recharge ........................................................................................................................... 64 Water Transfers ....................................................................................................................................... 65 Water Accounting ................................................................................................................................... 65 Section 3 ..................................................................................................................................................... 70 Best Management Practices for Agricultural Contractors....................................................................... 70 Westlands Water District