Water Energy Nexus CPUC Proceeding R.13-12-011 · Water Energy Nexus CPUC Proceeding R.13-12-011...
Transcript of Water Energy Nexus CPUC Proceeding R.13-12-011 · Water Energy Nexus CPUC Proceeding R.13-12-011...
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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
Water Energy NexusCPUC Proceeding R.13-12-011
Drought Update
Bill Croyle, ChiefDrought ManagementDepartment of Water Resources
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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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
California’s Drought• 2014 third dry year statewide
• Statewide storage well below average
• Ground Water basins are being depleted
• Feb and Mar rain helped, but drought conditions persist
• State and federal water projects restricted by regulatory actions to protect the Delta
• Local conditions are degrading
• High level of local, State and federal coordination
• 2015 could also be dry
• More frequent or longer droughts are likely
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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
Statewide Drought Conditions
Extreme Drought 82%
Exceptional Drought 58%
United States Drought Monitor August 5, 2014
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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
Three Year Snowpack & Run Off
April 1 Snowpack Yearly Runoff
2012 52% 62%
2013 42% 60%
2014 25% 36%
Sierra Snowpack = 1/3 of the State’s total water supply
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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
Current Reservoir Conditions
% Avg % Cap
Shasta 33 48Oroville 34 48Folsom 40 59San Luis 20 43
Folsom Lake – Jan 2014
Oroville – Jan 2014
Aug 11, 2014
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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
Drought Impacts: Ground Water
• Spring 2010 – Spring 2014• Red ‐ decrease of more than 10 ft• Orange ‐ decrease of between
2.5 to 10 ft• San Joaquin Valley Critical Impact• Contributes to Subsidence• Increased Well Drilling• Deeper and Larger Wells• Small Communities / Homes
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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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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
Improved Conditions in Spring
• Some Increased Supply
• Scaled Back Requests for Modified Delta Standards
• Limited Operational Flexibility
• Water Transfers
• Emergency Drought Barrier Installation on Hold
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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
Possible Drought Actions for 2015• Reduced Project Deliveries• Modified Delta Flow/Salinity Standards• State Water Board Curtailments• Drought Barrier Installation (one or more)• Mandatory Conservation• Increased Ground Water Use• Increased Oversight on Ground Water Use• Increased Mutual Aid• Increased Real‐time Data and Information
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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
El Nino for Winter 2014/15?
http://www.wrh.noaa.gov/sto/climate/ENSO.php
• 65 percent probability forming in the fall/winter.
• No strong correlation and above‐normal
precipitation for interior Northern California
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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
Thank You
The governor asked all Californians to reduce water consumption by 20 percent and referred residents and water agencies to the Save Our Water campaign ‐‐www.saveourh20.org
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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
• Flood Operations Center (916) 574‐2619• Drought Management Operations Center (916) 574‐2619 • Public CDEC access ‐ http://cdec.water.ca.gov• Agency access ‐ http://cdec4gov.water.ca.gov
Call (916) 574‐1777 to Apply• Webcast Weather/Hydrology Briefings – wx_webcast‐[email protected]• Web Links
• Water Conditions: http://water.ca.gov/waterconditions/• Water Transfers: http://water.ca.gov/watertransfers/ • Drought Page: http://water.ca.gov/waterconditions/drought/• Public Affairs: http://water.ca.gov/publicaffairs.cfm
Information and Contacts
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2014 Integrated Regional Water Management Drought Grants
• Received 39 grant applications • Requests Received ‐ $339M • Total Project Costs ‐ $970M • $200M is available for this solicitation • Proposition 84 • Grant Proposals
– Drought Impacts (current and anticipated)– Water Conservation Measures
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Example Water Conservation Measures
• Issued notice to customers requesting water consumption be reduced by 20%
• Declared a Water Shortage Emergency and mandated water use reductions by 30%
• Declared a Water Shortage Emergency and mandated water use reductions by 50%
• Requested customers reduce water consumption to less than 50 gallons per capita per day
• Leak detection and repair programs • Expanded turf buyback programs
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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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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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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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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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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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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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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
Continued Dry Conditions Loss of Delta Salinity Control
Summer/FallPre‐Project Period (1920 –1943)
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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
Emergency Drought Barriers
• Temporary Rock Barriers
• Permits Required
• Agency Consultations
• Limit Saltwater Intrusion
Sutter Slough
Steamboat Slough
West False River