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San Gabriel Valley Water Forum. August 28, 2012. Imported Supply Update. Sources of Water for Southern California. Sierra Mtns. LA Aqueduct. Delta. Colorado River Aqueduct Supplies. State Water Project Supplies . Conservation. Local Groundwater and Recycling. Colorado River Conditions.
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San Gabriel Valley Water Forum • August 28, 2012 Imported Supply Update
Sources of Water for Southern California Sierra Mtns LA Aqueduct Delta Colorado River Aqueduct Supplies State Water Project Supplies Conservation Local Groundwater and Recycling
CRASupply • California 4.4 MAF • Metropolitan .550 MAF • Water Management > .700 MAF CRA CRA
Upper Colorado Basin Snowpack 2011 Average 2012 Source of data: Colorado Basin River Forecast Center, Station JWRC2 – Joe Wright
Probability of Surplus/Shortageon the Colorado River Today SurplusShortage 2013 0% 0% 2014 6% 0% 2015 16% 2% 2016 23% 14% 2017 26% 23%
Storage and Conjunctive Use, Surplus When Available Unused / Surplus PVID, Salton Sea Mitigation Supplies, Other* Coachella Canal All-American Canal IID-SDCWA Transfer IID-MWD Conservation Basic Apportionment How can we keep the Colorado River Aqueduct full? After Quantification Settlement Agreement
2011 Delivery Reliability ReportComparison to Previous Reliability Studies 777 TAF or 24% Less than 2005 Report 80% Reliability 61% Reliability
Ecological Considerations Reduce Pumping Flexibility Regulatory Pumping Restrictions JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Salmon Delta Smelt No Restrictions Longfin Smelt San Joaquin Salmon (Potential) Current as of 1/12/10
Weather Conditions in the News “More than 15,000 warm temperature records broken” -NOAA “July 2012 being warmest single month on record” -NCDC “Drought-hit U.S. busts heat record from Dust Bowl days” -Reuters
Conditions in MWD Service Area • Recent summers have been mild • La Niña weather & cooler ocean temperatures • Lower temperatures impact demands
MWD Storage Reserve Levels2012 Based on 60% SWP Table A Allocation * Projected based on current conditions