California Drought Summit

Transcription

1 California Drought Summit Drought Forecast May 11, 2015 Bill Croyle, Deputy Director Statewide Emergency Preparedness and Security Department of Water Resources

2 California s Drought Governor Declared Drought Emergency th dry water year statewide Warmest year on record Driest 3 years on record January 2015 Driest in most areas Warmer and dry Record low snowpack Statewide storage is like 2013/14 Groundwater basins continue to be depleted Local conditions are degrading High level of local, State, and federal coordination

3 Statewide Drought Conditions Official State of Emergency Declared on January 17, 2014 Exceptional 47% Extreme 67% 37 Million People Local Emergencies Declared 25 Counties 10 Cities 9 Tribal Reservations 12 Special Districts County & Tribal Drought Task Force 29 Counties 4 Tribes United States Drought Monitor May 5, 2015

4 Statewide Snow Water content Normally about 1/3 of Water Storage April 1 st - 25% of Historic Low No Storage Minimum Runoff Loss of Cold Water

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8 % Cap % Avg Trinity Shasta Oroville Folsom New Melones San Luis 60 69

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12 Drought in Colorado River Basin Longest Drought in Historical Record System Reservoirs About Half Full USBR 2007 Interim Guidelines Lower Basin Shortage Triggered at Elev in Lake Mead Risk of Shortage to Arizona & Nevada in 2016 Minimal Risk to California

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14 Groundwater Basins with Potential Water Shortages (DWR, 2014) 11/17/2014

15 D R O U G H T P R E P A R E D N E S S & R E S P O N S E

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17 Short Term Actions Conservation and Education Local Drought Task Forces Update Water Contingency Plans Increased Emergency Actions Groundwater Assessments Critical Infrastructure Assessment Environmental Monitoring and Response

18 Actions for Dry 2015 Increased Conservation Reduced Project Deliveries Temporary Salinity Barrier Installation Surface Water Curtailments Increased Real-time Data and Information Increased Oversight of Groundwater Use Increased Mutual Aid and Assistance

19 2015 Temporary Salinity Barrier Temporary May to November

20 Dry 2016 Minimal Project Deliveries Temporary Salinity Barrier Installation(s) Surface Water Curtailments Increased Conservation Stronger Restrictions Increased Mutual Aid and Assistance Restrict Groundwater Use to Reduce Impact to Critical Facilities Reuse, Recycle, Reclaim

21 Updated: 9 April 2015 CPC/IRI Probabilistic ENSO Outlook The chance of El Niño is approximately 60-70% through 2015.

22 IRI/CPC Pacific Niño 3.4 SST Model Outlook The majority of the models indicate Niño 3.4 SST anomalies will remain greater than or equal to +0.5C through the end of Figure provided by the International Research Institute (IRI) for Climate and Society (updated 14 April 2015).

23 May July 2015 U. S. Seasonal Outlooks The seasonal outlooks combine the effects of long-term trends, soil moisture, and when appropriate, ENSO. Precipitation Temperature

24 Recycled Water is Helping Support Water Supplies During Drought Headlines from May 6, 2015 Water free and unlimited at East Bay treatment plant For the second year in a row, a (waste)water treatment facility in Alameda County is making its water available to anyone who wants the water for home landscaping use. "Every single day, we're averaging between 250 and 300 customers each day," Levi Fuller with the Dublin San Ramon Services District said.

25 Recycled Water Supports Urban Life Contra Costa Animal Shelter Central Contra Costa Sanitation District Animal facility wash down Contra Costa Times City of Hollister Park DSRSD Publicly available fill station City of Livermore Fire fighting Marin Municipal Water District Car washes City of Los Angeles Golf Courses 25

26 What Are You Doing? Emergency Projects Drought Resiliency Conserve Potable Water Reuse, Recycle, Reclaim Assess Capacity to Implement Projects Plan and Have Shovel Ready Projects Implement Projects That Save Water Now Plan for Dry 2016 and 2017

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