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Delta Rick Management Strategy. CWEMF Annual Meeting – DRMS Discussion 02/27/2007. Delta-Suisun Marsh Branch Department of Water Resources. DRMS. Development of DRMS 2000 CALFED ROD Called for Risk Assessment of Delta Levees 2005 – Levee Risk Analysis Team
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Delta Rick Management Strategy CWEMF Annual Meeting – DRMS Discussion 02/27/2007 Delta-Suisun Marsh Branch Department of Water Resources
DRMS Development of DRMS • 2000 CALFED ROD Called for Risk Assessment of Delta Levees • 2005 – Levee Risk Analysis Team • Did Preliminary Work – Seismic only • Also Developed Project Scope for DRMS • 2005 – AB 1200 Enacted
DRMS • AB 1200 (CWC 139.2) Sets General Framework for DRSM • DWR Shall Evaluate Potential Impacts on 50, 100, 200-year projections on possible impacts to Delta from: • Subsidence • Earthquakes • Floods • Climate Change • & Combination of above
DRMS • AB 1200 Continued (CWC 139.4) • DWR/DFG to Determine Principal Options for Delta – DWR to comparatively rate for ability to: • Prevent Disruption of Water Supplies Derived from Delta • Improve the Quality of Water Supplies Derived from Delta • Reduce Salts, Maintain Water Quality • Preserve, Protect, Improve Delta Levees • Protect Water Rights/Environments of River Systems • Protect Infrastructure within Delta • DFG shall rate all options for its ability to restore salmon & other fisheries that use the Delta • Report Due – January 2008
DRMS • Contract Information • URS Corporation, Oakland, CA • Over 20 subcontractors • Contract is for $10,000,000 • Approved by DGS - March 6, 2006 • 3-year contract • Includes a new LiDAR aerial survey of Delta
DRMS • Technical Advisory Committee: • Dr. Raymond Seed, University of California, Berkeley • Dr. Norm Abrahamson, Independent Seismological Consultant • Gilbert Cosio, P.E., MBK Engineers • Dr. Wim Kimmerer, San Francisco State University, ERP Science Board • Dr. Peter Moyle, University of California, Davis, ERP Science Board • Roger Fujii, United States Geological Survey • Jon Burau, United States Geological Survey
DRMS STEERING COMMITTEE Includes Members Representing: • TAC Members • USACE • DFG • CBDA • USBR • Delta/Suisun Marsh Experts • Public • SWC • CVP Contractors
DRMS Phase 1 • Development of a Risk Analysis to Evaluate the Impact to Delta Levees from: • Floods • Earthquakes • Subsidence • Normal Conditions • Climate Change • Determine Consequences to Economy & Eco-System based on Risks Found • Risk Assessment Report due mid-March ’07 • Public Draft mid-April 2007 • Independent Review by CALFED – Apr – Jun ‘07
DRMS Phase 2 • Development of Risk Reduction/Risk Management Strategies for Long-Term Management of Delta • Draft Final Report Due August ’07 • Public Review Draft – Sep ’07 • Independent Review by CALFED – Sep – Nov ’07 • DRMS Final Report – NLT Jan 1, 2008
DRMS • Independent Review Panel (IRP) • CALFED ISB Assembled appropriate review team • IRP members will meet w/ consultant team, DWR/DFG/COE, TAC/SC members, others • Review methods, analyses & findings • Review Phase 1 and 2 Reports • Produce formal reports on findings