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Stormwater Capture

This dialogue, led by Dr. Mark Hanna, examines effective stormwater capture methods and groundwater recharge strategies in Southern California, specifically focusing on the Upper Los Angeles River Area. It highlights urbanization impacts in regions like Sun Valley and discusses various projects that enhance stormwater management, including retrofitting storage systems and improving infiltration at critical sites like the Big Tujunga Dam and Hansen Spreading Grounds. Join the conversation on sustainable water solutions for a thriving ecosystem.

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Stormwater Capture

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Presentation Transcript

  1. Stormwater Capture Groundwater Recharge Southern California Water Dialogue September 24, 2008 Mark Hanna, PhD, PE

  2. Upper Los Angeles River Area

  3. Urbanization • Sun Valley ~2007 • Sun Valley ~1949

  4. Storage (1,000’s of acre-feet) Year Groundwater Storage in the San Fernando Basin

  5. Adapted from: Relative Infiltration

  6. LADWP Valley Generating Station Stormwater Capture Project

  7. LADWP Power Line Easement Pilot Project

  8. Woodman Avenue Median Retrofit

  9. Alley Retrofits

  10. Big Tujunga Dam Retrofit

  11. Hansen Spreading Grounds Enhancement Project

  12. Pacoima Spreading Grounds Enhancement Project

  13. Tujunga Spreading Grounds Enhancement Project

  14. LADWP Valley Generating Station Stormwater Capture Project

  15. LADWP Valley Generating Station Stormwater Capture Project

  16. Eastern • San Fernando • Valley ~ 2007

  17. Eastern • San Fernando • Valley ~ 1949

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