bureau of reclamation’s sacramento and san joaquin · pdf file3/16/2016 news release |...

3/16/2016 NewsRelease|BureauofReclamationsSacramentoandSanJoaquinRiversBasinStudyPredictsHowClimateChangeWillImpacttheSacramento
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BureauofReclamationsSacramentoandSanJoaquinRiversBasinStudyPredictsHowClimateChangeWillImpacttheSacramentoandSanJoaquinDelta
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SacramentoandSanJoaquinRiversBasinStudyReportCover.
WASHINGTONTheBureauofReclamationhasreleasedtheSacramentoandSanJoaquinRiversBasinStudy,whichfoundclimatechangewillcauseearlierrunoffandrefillreservoirsearlierintheyear,potentiallyaffectingreservoiroperationsandwaterstorage.

Thisstudy,collaborativelydevelopedbyReclamation,theStateofCaliforniaDepartmentofWaterResources,ElDoradoCountyWaterAgency,StocktonEastWaterDistrict,CaliforniaPartnershipfortheSanJoaquinValleyandMaderaCountyResourceManagementAgency,examinesclimatechangeimpactsandadaptationactionsfortheSacramentoRiverBasin,SanJoaquinRiverBasinandtheTulareLakeBasin.
WaterfromtheTulareLakeBasinreachestheSanJoaquinRiverBasinonlyinwetteryears.BecauseoftheconnectionwiththeCentralValleyProject,theupperTrinityRiverBasinwasalsoincludedinthisstudy.ThebasinsflowintotheSacramentoSanJoaquinDelta,whichisthelargestestuaryonthewestcoastoftheUnitedStates.
"ThesebasinsareatthecenterofdiscussionsabouttheavailabilityofwaterinCalifornia,notonlyforagriculture,butformunicipalandenvironmentalneedsaswell,"ReclamationCommissionerEstevanLpezsaid."Becauseofthecollaborativeeffortsputforthinthisbasinstudy,wenowhavemoreinformationonhowclimatechangewillimpactthisregionandabetterunderstandingofwhatwillbeneededtoensureasustainablewatersupplyfortodayandforthefuture."
Thestudyfoundthatwarmingconditionswillcauseamediansealevelriseof36inches,whichwillincreasethedifficultyofconveyingwaterthroughtheSacramentoSanJoaquinDelta.Also,temperatureswillmostlikelyincreaseby1.6degreesFahrenheitintheearly21stcenturytoalmost4.8degreesFahrenheitbylateinthe21stcenturyprecipitationmayincreaseintheareasnorthoftheSacramentoSanJoaquinDelta,withverylittlechangeprojectedintheTulareLakeBasin,wheresomeofthegreatestagriculturaldemandsexistevapotranspirationisexpectedtoincreasewithwarmingtemperaturesandsnowpackwilldeclinewithwarmingtemperatures,particularlyinthelowerelevationsofthemountainssurroundingCalifornia'sCentralValley.
Reclamation,alongwithitspartnersandstakeholders,developedmanagementactionstoaddressthesefindings.Thestudyrevealedthatconservation,groundwaterandsurfacewateraugmentationprojectsandoperationalimprovementsmayimprovethereliabilityandsustainabilityoftheCentralValleyProjectandStateWaterProjectsystemstomeetcurrentandfuturewaterneeds.
Thereportalsoidentifiedpotentialnextstepstoresolvecurrentandfutureimbalances.Thesenextstepsweregroupedintothefollowingcategories,InstitutionalFlexibility,MunicipalandIndustrialandAgriculturalWaterUseEfficiency,RiverTemperatureManagement,ForestHealth,GroundwaterandSystemConveyance.

TheSacramentoandSanJoaquinRiversBasinStudyisapartofWaterSMART,theDepartmentoftheInterior'ssustainablewaterinitiativethatusesthebestavailablesciencetoimprovewaterconservationandhelpwaterresourcemanagersidentifystrategiestonarrowthegapbetweensupplyanddemand.Thereportisavailableatwww.usbr.gov/watersmart/bsp.FormoreinformationontheWaterSMARTprogram,visitwww.usbr.gov/WaterSMART.
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RECLAMATION Managing Water in the West
Sacramento and San Joaquin Rivers Basin Study Basin Study Report and Executive Summary

Mission Statements
The U.S. Department of the Interior protects Americas natural
resources and heritage, honors our cultures and tribal communities,
and supplies the energy to power our future.
The mission of the Bureau of Reclamation is to manage, develop,
and protect water and related resources in an environmentally and
economically sound manner in the interest of the American public.
Citation:
Reclamation, Sacramento and San Joaquin Basins Study, Report to Congress 2015. Prepared for:
U.S. Department of the Interior, Bureau of Reclamation, Mid Pacific Region. Prepared By: CH2M
Hill under Contract No. R12PD80946

Sacramento and San Joaquin Rivers Basin Study Report
U.S. Department of the Interior Bureau of Reclamation In Partnership with: State of California, Department of Water Resources El Dorado County Water Agency Stockton East Water District California Partnership for the San Joaquin Valley Madera County Resource Management Agency
Disclaimer The Sacramento and San Joaquin Basins Study was funded by the Bureau of
Reclamation (Reclamation) and the California Department of Water Resources
(DWR), El Dorado County Water Agency, Stockton East Water District, the
California Partnership for the San Joaquin Valley and the Madera County
Resource Management Agency and is a collaborative product of the study
participants as identified in Section 1 of this report. The purpose of the study is to
assess current and future water supplies and demands in the Sacramento, San
Joaquin and Tulare Lake Basins and adjacent areas which contribute to or receive
water from these basins, and to identify a range of potential strategies to address
any projected imbalances.
The study is a technical assessment and does not provide recommendations or
represent a statement of policy or position of the Bureau of Reclamation, the
Department of the Interior (DOI), or the funding partners (i.e. California
Department of Water Resources, El Dorado County Water Agency, Stockton East
Water District, California Partnership for the San Joaquin Valley and the Madera
County Resource Management Agency). The study does not propose or address
the feasibility of any specific project, program or plan.
Nothing in the study is intended, nor shall the study be construed, to interpret,
diminish, or modify the rights of any participant under applicable law. Nothing in
the study represents a commitment for provision of Federal funds. All cost
estimates included in this study are preliminary and intended only for comparative
purposes.

Acknowledgements
Acknowledgements
Basin Study Technical Team: Reclamation-
Arlan Nickel, Senior Project Manager, Reclamation, Sacramento, California
Michael Tansey, PhD., Climate Change Coordinator, Reclamation, Sacramento, California
Basins Study Partners -
CH2M Hill-
Armin Munevar, MS., PE., CH2M Hill San Diego, California Brian Van Lienden, MS., PE., CH2M Hill Sacramento, California Tapash Das, PhD., CH2M Hill, San Diego, California Heidi Chou, MS., PE., CH2M Hill Sacramento, California
Stockholm Environment Institute-
Charles Young, PhD., Stockholm Environment Institute, Davis, California
MWH Americas Andrew Draper, PhD., MWH Americas, Sacramento, California
Technical Sufficiency Reviewers
Carly Jerla, Lower Colorado Region, Reclamation
Michael Dettinger, PhD., United States Geological Survey and Scripps Institute of Oceanography, San Diego, California
Andrew Schwarz, California Department of Water Resources, Sacramento, California
Raymond Hoagland, California Department of Water Resources, Sacramento, California
Justin Huntington, PhD., Desert Research Institute, Reno, Nevada

Acronyms and Abbreviations
Acronyms and Abbreviations Basins Study Sacra

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