Gates and Barriers in the Delta

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  State of California | March 1, 2016...

  Summary

  The Assembly Select Committee on Water Consumption and Alternative Sources was established in February 2015 to examine the strategies California could take to...

  The Assembly Select Committee on Water Consumption and Alternative Sources was established in February 2015 to examine the strategies California could take to improve water conservation and expand the portfolio of water sources. Given that California rose to the challenge of conservation, the committee turned its attention to alternative water source strategies such as stormwater capture, ocean desalination and water recycling, holding specific hearings to discuss the latter two in greater detail.

  This report is the culmination of several hearings held across the state on issues of water use and opportunities for expanding water sources. It includes summaries of expert testimony at those hearings, including illustrative slides from their presentations, as well as a list of key
  findings and recommendations compiled by committee staff and approved by the Chair. These findings and recommendations were not voted on by members of the Select Committee and may not reflect the view of each Select Committee member. This report is meant to provide knowledge regarding California’s drought, climate change future, and viability of water sourcing strategies including stormwater capture, water recycling and desalination. This knowledge will be essential in adapting California’s water infrastructure to climate changes and devising the most effective and environmentally friendly approach to endure the next California drought.

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  California’s Area of Origin Laws

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  California’s Area of Origin Laws

  State Water Resources Control Board | April 8, 2013...

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  California’s Area of Origin Laws have long been in the background of the State’s major water issues. They were enacted 50-80 years ago,...

  California’s Area of Origin Laws have long been in the background of the State’s major water issues. They were enacted 50-80 years ago, are written very generally, and have not been subject to a lot of interpretation by the courts. However, they remain a potential linchpin to resolving many of California’s most vexing water disputes. For that reason alone, the Area of Origin Laws are worthy of attention. It is the purpose of this report to: provide a brief description of the Area of Origin Laws, to discuss recent court cases that have discussed them, and to summarize the major principles embodied in the laws.

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  Water Right Compliance and Enforcement in the Delta

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  Water Right Compliance and Enforcement in the Delta

  State Water Resources Control Board | April 5, 2012...

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  The report focuses on the State Water Board’s responsibility to enforce water rights and to prevent unauthorized diversions of water in the state...

  The report focuses on the State Water Board’s responsibility to enforce water rights and to prevent unauthorized diversions of water in the state of California.

  Pursuant to the Water Code, the State Water Board is responsible for enforcing the terms and conditions of water right permits, licenses, and registrations, as well as investigating diversions of water. As addressed in the Strategic Workplan for Activities in the San Francisco Bay / Sacramento-San Joaquin Delta Estuary, the State Water Board is directed to investigate illegal diversions and violations of permit and license conditions and take action when violations are occurring in the Bay-Delta Watershed.

  The report discusses how the State Water Board began an investigation of illegal diversions of water, focusing on the Delta. For instance, the State Water Board has investigated two islands in the Delta to establish whether the landowners possessed any water rights. Most did, though some individuals were subject to more review, the majority of which concerned validating riparian claims for severed parcels.

  The report notes that the State Water Board has also investigated diverters within an area of the southern Delta and resolved all cases resulting from that investigation. The report also discusses how the State Water Board has begun an investigation of water diverters, statewide, who have failed to file required reports, which include the annual reports for permit and license holders, and the supplemental statements.

  Finally, the report suggests a new approach of looking at districts in the Delta who serve water to individuals, in addition to looking at compliance issues related to individual diverters.

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  California Water Supply And Demand: Technical Report

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  California Water Supply And Demand: Technical Report

  Stockholm Environment Institute | February 10, 2011...

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  The California Water Supply and Demand Model (CWSD) examines the ways in which California’s water supply and demand are likely to be affected...

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  The main CWSD compares key categories of water inputs and outputs on a month-by-month basis to capture seasonality in water availability. A supplementary model allows for the main model’s beginning surface reservoir storage to result from water supply and demand interactions over a stylized previous 100 years. Three areas of water use are both especially critical and vulnerable to climatic change: the energy, agriculture, and urban sectors. In the energy module, water demand is a based on different scenarios of coal, nuclear and renewable power use, conservation technology, state population trends, and projected temperatures. In the agriculture module, crop and animal water use by county is a function of projected summer temperatures by county. In the urban module, residential, industrial/commercial, and public water use are based on projected levels of socio-economic growth.

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