Salton Sea – Species Conservation Habitat Project · PDF fileGoal 1: Develop a range of...
Transcript of Salton Sea – Species Conservation Habitat Project · PDF fileGoal 1: Develop a range of...
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Salton Sea – Species Conservation Habitat Project
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Sim
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pm)
Sim
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(ft)
Year
2017 QSA Mitigation Water Ends
53,000
Salinity
Water Elevation
Progressive decrease in biodiversity
The Changing Sea
Based on Cohen, Pacific Institute, May 2006
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Species Conservation Habitat Project
Goal 1: Develop a range of aquatic habitats that will support fish and wildlife species dependent on the Salton Sea
Goal 2: Develop and refine information needed to successfully manage the SCH Project habitat through an adaptive management process
Plan
Design
Implement
Monitor
Evaluate
Adapt
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Species Conservation Habitat Project
• Modeled after Early Start Habitat concepts: 2007 PEIR
• Create shallow saline habitat
• Blend river and Sea water
• Use available land at elevations below -228 msl
• Develop as a proof-of-concept project extending to 2025
• Flood exposed playa and reduce dust impacts
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Location of SCH Alternatives
New River
Alternatives 1, 2, 3
Alamo River Alternatives 4, 5, 6
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SALI
NITY
TOL
ERAN
CES
Tilapia survival
Emergent vegetation
Mosquito control Mosquitoes Survive
SUPRESS MOST VEGETATION
Selenium Loading
SURVIVAL AND REPRODUCTION
SCH OPERATIONS Salinity in Ponds 0 ppt 10 20 30 40 50 60 70
Cardno/ENTRIX 2011
LESS RISK MORE RISK
MOSQUITO SUPPRESSION
TOLERATE
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Preferred Alternative 3 Habitat Areas (total 3,770 acres), Habitat Channels, Bird Islands Interior and Exterior Berms, Sedimentation Basins, Cascading Ponds, Flood Bypass River Pump Station Saline Pump Station Uses IID Land
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Proposed Construction
Total 640 acres Internal Sedimentation Basin Saline Station Near-shore Saline Force Main in Road Power Connection Bird Habitat Islands Water Retention Berms
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Site Conditions
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Site Conditions
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Site Conditions
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Site Conditions
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Site Conditions
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Design Challenges
• Availability of water • Salinity balance • Selenium management • Vegetation management • Mosquito management • Temperature extremes • Power connection
• Difficult soil conditions • Seismic activity • Poor water quality • Adjacent land uses • Geothermal energy • Low dissolved oxygen • Site access • Limited time to take
action
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Design Challenges
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Saline Pump Station Site
Approximate Location of Pumps on Pier
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Saline Force Main Site
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IID Levee Road
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River Pump Station Site
River Station
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Program Accomplishments to Date
Environmental Meetings
• Scoping (4 total)
• Draft EIS/EIR (4 total)
Federal and State Permits
• Section 404 Permit (Corps)
• ESA (USFWS, DFW)
• Section 401 (RWQCB)
• Section 106 (SHPO)
• Biological Opinion (USFWS)
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Program Accomplishments to Date
Meetings
• Stakeholder (5 total)
• Agencies
• Tribal Groups
• Geothermal Companies
• IC Farm Bureau
• Political Representatives
• Non-Governmental
• Imperial County Planning and Development
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Program Accomplishments to Date Environmental Documents
• Draft EIS/EIR - August 2011
• Final EIS/EIR - July 2013
• Record of Decision - December 2013
• Notice of Determination -August 2013
Environmental Permits
• Section 404 – December 2013
• Section 401 - December 2013
• Final Biological Opinion – March 2013
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Program Accomplishments to Date
Design
• 90% Design – December 2013 – Plans, Specs, Cost Estimates
– Basis of Design Report
– Geotechnical Design Report
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Federal Agency Commenters on Draft EIS/EIR
• Federal Emergency Management Agency
• International Boundary Water Commission
• Bureau of Reclamation
• Office of Environmental Policy and Compliance
• Environmental Protection Agency
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State Agency Commenters on Draft EIS/EIR
• Native American Heritage Commission
• Division of Oil, Gas, and Geothermal Resources
• Regional Water Quality Control Board
• California State Lands Commission
• Department of Toxic Substances Control
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Local Agency Commenters on Draft EIS/EIR
• Imperial Irrigation District
• San Diego County Water Authority
• Imperial County Air Pollution Control District
• Salton Sea Authority
• County of Imperial Board of Supervisors
• Coachella Valley Water District
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Other Commenters on Draft EIS/EIR
• Imperial County Farm Bureau
• CalEnergy Operating Corporation
• Pacific Institute
• San Diego Audubon Society
• Energy Source
• Defenders of Wildlife
• Center for Biological Diversity
• 9 Private Individuals
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DEIS/EIR Appendices
• Appendix A: Scoping Process
• Appendix B: Alternatives Development
• Appendix C: Geotechnical Investigations
• Appendix D: Project Operations
• Appendix E: Monitoring Adaptive Management
• Appendix F: Mosquito Control Plan
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DEIS/EIR Appendices
• Appendix G: Air Quality and Greenhouse Gas
• Appendix H: Special-Status Species Evaluated But Not Affected
• Appendix I: Selenium Management Strategies
• Appendix J: Special Studies
• Appendix K: Corps Section 404 Permit Projects
• Appendix L: Tribal Consultation and Coordination
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FEIS/EIR Appendices
• Attachment 1 Numbered Comments
• Attachment 2 Jurisdictional Delineation Report November 2012
• Attachment 3 404(b)(1) Alternatives Analysis
• Attachment 4 MMRP
• Attachment 5 Appendices D and G-2
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Program Activities Underway
Permitting
• Streambed Alteration
• IID Encroachment Permit
• IID Lease Agreements
• IID Power Connection
• IC Encroachment Permit
• IC Traffic Plan
• IC Air Quality Plan
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Draft Schedule
• 90% Design PS&E December 6, 2013
• 100% PS&E March 31, 2014
• Release Bid Package June 2014
• Begin Construction September 2014
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CONTACT
• Kent Nelson: DWR [email protected] 916-653-9190
• David Elms: DFW [email protected] 760-200-9394
• Website:
www.water.ca.gov/saltonsea/