Upper Laguna Creek Eva Butler

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  • Slide 1 – Upper Laguna Creek Collaborative Update On _____________, the Board voted in favor of a Resolution to participate in the Upper Laguna Creek Collaborative process. This presentation will: Describe the ULCC vision; Provide an update on the Collaborative’s activities since the Resolution; and Outline the ULCC’s plans for the next two years.
  • Upper Laguna Creek Eva Butler

    1. 1. Upper Laguna Creek Planning Process
    2. 2. ULCC Mission <ul><li>To collaborate in the </li></ul><ul><li>design of a multi-use </li></ul><ul><li>corridor along Upper </li></ul><ul><li>Laguna Creek </li></ul>
    3. 3. The Vision: The Laguna Creek Regional Parkway
    4. 5. Broad Participation <ul><ul><li>Planning departments </li></ul></ul><ul><ul><li>Public works agencies </li></ul></ul><ul><ul><li>Park districts </li></ul></ul><ul><ul><li>Regulatory agencies </li></ul></ul><ul><ul><li>Environmental advocates </li></ul></ul><ul><ul><li>Residents </li></ul></ul><ul><ul><li>Landowners/Developers </li></ul></ul>
    5. 6. Benefits of a Coordinated Watershed Approach <ul><li>Avoids inter-project conflicts </li></ul><ul><li>Reduces duplication of effort </li></ul><ul><li>Avoids late-stage redesigns and delays </li></ul><ul><li>Provides space for future infrastructure </li></ul><ul><li>Streamlines environmental permitting </li></ul><ul><li>Conserves riparian habitat and connects multiple preserves </li></ul>
    6. 7. Upper Laguna Creek Corridor Sample Section
    7. 8. Trails and Bridges Vernal Pool Preserves Riparian Habitat Corridor Corridor for Future Infrastructure Interceptor Sewer Stormwater Treatment/ Flood Control Facilities Corridor Elements
    8. 9. Stormwater Management Goals <ul><li>Manage Runoff </li></ul><ul><li>Pre = Post </li></ul><ul><li>Goal: Match the pre-development hydrograph </li></ul><ul><li>How? </li></ul>
    9. 10. Hydrogeomorphic Model <ul><li>Assess existing conditions </li></ul><ul><li>Project future impacts </li></ul><ul><li>Set performance standards </li></ul><ul><li>Identify management strategies </li></ul><ul><ul><li>Decrease impervious surface area </li></ul></ul><ul><ul><li>Promote retention & infiltration (on-site and off-site) </li></ul></ul><ul><ul><li>Use flow duration controls to meter flows to creek </li></ul></ul>
    10. 11. High-value Resource Area
    11. 12. Integrating LID & flow-duration control strategies Flow Duration Control Basin Urban Runoff Laguna Creek FDC Basin Bio-infiltration Swale LID On-Site BMPs LID On-Site BMPs On-Site BMPs Wetlands Urban Runoff Urban Runoff Off-Site BMPs Wetlands
    12. 13. Facilitating the Paradigm Shift <ul><li>Support collaboration & info sharing </li></ul><ul><li>Create incentives </li></ul><ul><li>Use pilot project to demonstrate approach </li></ul><ul><li>Assist practitioners with their projects </li></ul><ul><li>Evaluate economics: cost/benefit analysis </li></ul><ul><li>Contribute to solution-oriented permits </li></ul>

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