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San Clemente Dam Removal Project

San Clemente Dam Removal Project. February 28, 2008. Carmel River Watershed. Source: MPWMD. Accumulated sediment. San Clemente Dam could fail in a maximum earthquake or flood. Buttress or Remove the Dam. Carmel River Re-Route and Dam Removal Project History.

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San Clemente Dam Removal Project

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  1. San Clemente Dam Removal Project February 28, 2008

  2. Carmel River Watershed Source: MPWMD

  3. Accumulated sediment

  4. San Clemente Dam could fail in a maximum earthquake or flood.

  5. Buttress or Remove the Dam

  6. Carmel River Re-Route and Dam Removal Project History

  7. Dam removal challenge: manage the sediment at reasonable cost.

  8. Aerial of project area San Clemente Creek Carmel River San Clemente Dam

  9. Step pools needed

  10. Notch Old Carmel River Dam

  11. Construction Access

  12. Conservancy Technical Studies

  13. Sediment Movement Evaluation of Issues of Concern Slope erosion or landslide Change to step pool structure Failure of Diversion Dike Failure of Sediment Stabilization

  14. Downstream flooding Source: MPWMD

  15. Flood Hazard Analysis Conclusion: The Reroute Project will not significantly increase the flood potential downstream

  16. Final Design & Engineering Construction Permitting Permitting Assistance Long-term Monitoring Plan Conservancy CalAm NMFS Implementation Strategy

  17. Land to be conveyed

  18. $83M Project Costs -- $83 Million (in millions of dollars)

  19. Project Schedule DWR Approval

  20. Before After A unique opportunity

  21. River Reroute and Dam RemovalMaximize the Public Benefits For more information or to submit comments, send email to Trish Chapman, tchapman@scc.ca.gov.

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