County of San Diego’s LID Program Department of Planning and Land Use MSCP - Watershed Planning Christine A. Sloan
Presentation Outline <ul><li>County of San Diego Overview </li></ul><ul><li>History of County’s LID Program </li></ul><ul>...
San Diego Overview
 
 
9 7
County History on LID Process <ul><li>Mar 2005 DPLU-Watershed Planning proposes LID Program </li></ul><ul><li>Jun 2006 CAO...
<ul><li>LID Program Goal: </li></ul><ul><li>To protect water quality by preserving and mimicking nature through the use of...
Technical Advisory Committee <ul><li>County of San Diego </li></ul><ul><ul><li>DPW </li></ul></ul><ul><ul><li>DPLU </li></...
LID Guidance Manual Contents <ul><ul><li>LID Overview & Considerations </li></ul></ul><ul><ul><li>Site Planning Practices ...
Revised Municipal Permit Order No. R9-2007-0001  (Jan 24, 07) <ul><li>In 365 days priority development projects must: </li...
Revised Municipal Permit Order No. R9-2007-0001  (Jan 24, 07) <ul><li>In  18mths  Copermittees must update Model SUSMP wit...
LID Program Timeline <ul><li>Draft Manual Public July 20, 2007 </li></ul><ul><li>New Permit  (interim LID) Jan 24, 2008 </...
San Diego LID Considerations <ul><li>Climate </li></ul><ul><ul><ul><li>Fire </li></ul></ul></ul><ul><ul><ul><li>Irrigation...
 
 
Source: Glen Schmidt, ASLA Schmidt Design Group
 
<ul><li>Witham et al. (1998)   </li></ul><ul><li>Ecology, Conservation, and Management of Vernal Pool Ecosystems.   </li><...
Clay Substrate Robert N. Hawk, PE, CEG, HG Senior Engineering Geologist City of San Diego
 
Plant Palette Research <ul><li>Xeriscape Plants </li></ul><ul><li>Irrigation </li></ul><ul><li>Fire Hazard </li></ul><ul><...
Summary <ul><li>Provide LID Guidance </li></ul><ul><li>Plan and adapt around constraints </li></ul><ul><li>Research </li><...
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San Diego Lid Christine Sloan

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  • Hello. My name is Christine Sloan and I am a Watershed Environmental Planner for the County of San Diego. The Watershed Planning Section is part of the County’s award winning Multiple Species Conservation Program, who’s primary goal is long range planning for our unique habitats and endangered species.
  • San Diego Lid Christine Sloan

    1. 1. County of San Diego’s LID Program Department of Planning and Land Use MSCP - Watershed Planning Christine A. Sloan
    2. 2. Presentation Outline <ul><li>County of San Diego Overview </li></ul><ul><li>History of County’s LID Program </li></ul><ul><li>LID Municipal Requirements </li></ul><ul><li>LID Program Timeline </li></ul><ul><li>San Diego LID Considerations </li></ul>
    3. 3. San Diego Overview
    4. 6. 9 7
    5. 7. County History on LID Process <ul><li>Mar 2005 DPLU-Watershed Planning proposes LID Program </li></ul><ul><li>Jun 2006 CAO requires draft LID Guidance Manual by FY 2007 </li></ul><ul><li>Jan 2007 Municipal Permit includes LID </li></ul><ul><li>Mar 2007 Guidance Manual created </li></ul><ul><li>Apr 2007 LID TAC reviews begin </li></ul><ul><li>Jul 2007* Draft Public Release </li></ul>
    6. 8. <ul><li>LID Program Goal: </li></ul><ul><li>To protect water quality by preserving and mimicking nature through the use of stormwater planning and management techniques on a development site. </li></ul><ul><li>LID management practices include: </li></ul><ul><ul><li>Resource Conservation </li></ul></ul><ul><ul><li>Clustering </li></ul></ul><ul><ul><li>Minimizing impervious surfaces </li></ul></ul><ul><ul><li>Curb-cuts </li></ul></ul><ul><ul><li>Rain Gardens </li></ul></ul><ul><ul><li>Green Roofs </li></ul></ul><ul><ul><li>Permeable Pavements </li></ul></ul><ul><ul><li>Landscape detention/infiltration </li></ul></ul>County’s Pavement Study Pervious Asphalt Conventional Asphalt Cottonwood Creek Park, Encinitas
    7. 9. Technical Advisory Committee <ul><li>County of San Diego </li></ul><ul><ul><li>DPW </li></ul></ul><ul><ul><li>DPLU </li></ul></ul><ul><ul><li>DEH </li></ul></ul><ul><ul><li>DPR </li></ul></ul><ul><ul><li>DGS </li></ul></ul><ul><li>City of San Diego </li></ul><ul><li>BIA </li></ul><ul><li>Coastkeeper </li></ul><ul><li>Consultants </li></ul>Multidisciplinary Team Engineers Planners Developers Landscape Architects Biologists/Geologists Legal
    8. 10. LID Guidance Manual Contents <ul><ul><li>LID Overview & Considerations </li></ul></ul><ul><ul><li>Site Planning Practices </li></ul></ul><ul><ul><ul><li>Design Examples by Land Use Type </li></ul></ul></ul><ul><ul><li>Integrated Management Practices Fact Sheets </li></ul></ul><ul><ul><ul><ul><li>Characteristics </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Application </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Design </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Maintenance </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Limitations </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Economics </li></ul></ul></ul></ul><ul><ul><ul><ul><li>References </li></ul></ul></ul></ul>
    9. 11. Revised Municipal Permit Order No. R9-2007-0001 (Jan 24, 07) <ul><li>In 365 days priority development projects must: </li></ul><ul><ul><li>Drain runoff from impervious to pervious areas based on capacity </li></ul></ul><ul><ul><li>Design pervious areas to receive runoff based on soils, slope, etc. </li></ul></ul><ul><ul><li>Use permeable pavements where appropriate </li></ul></ul><ul><ul><li>Implement site design BMPs where applicable and feasible. </li></ul></ul>Order No. R9-2007-0001, Section D.1.d.(4)(a&b) Page 19
    10. 12. Revised Municipal Permit Order No. R9-2007-0001 (Jan 24, 07) <ul><li>In 18mths Copermittees must update Model SUSMP with LID: </li></ul><ul><ul><li>Establish LID requirements </li></ul></ul><ul><ul><li>Establish siting, design, and maintenance criteria </li></ul></ul><ul><ul><li>Establish where LID is applicable and feasible </li></ul></ul><ul><ul><li>Establish requirements for permeable surfaces </li></ul></ul><ul><ul><li>Establish LID restrictions in areas/uses with high pollutant loads </li></ul></ul><ul><li>After Model approval, the County has 1 year to update affected ordinances. </li></ul>Order No. R9-2007-0001, Section D.1.d.(7) Page 21
    11. 13. LID Program Timeline <ul><li>Draft Manual Public July 20, 2007 </li></ul><ul><li>New Permit (interim LID) Jan 24, 2008 </li></ul><ul><li>Model SUSMP update July 2008 </li></ul><ul><li>(LID requirements & criteria) </li></ul><ul><li>Local SUSMP update *July 2009 </li></ul><ul><li>Ordinance Updates 2009-2010 </li></ul>* Earliest possible date
    12. 14. San Diego LID Considerations <ul><li>Climate </li></ul><ul><ul><ul><li>Fire </li></ul></ul></ul><ul><ul><ul><li>Irrigation </li></ul></ul></ul><ul><li>Groundwater </li></ul><ul><li>Geology / Geotechnical </li></ul><ul><ul><ul><li>Coastal Clay Pan Soils </li></ul></ul></ul><ul><ul><ul><li>Seepage </li></ul></ul></ul><ul><ul><ul><li>Steep Slopes </li></ul></ul></ul><ul><li>Plant Palette </li></ul><ul><li>Economics </li></ul>Water Conservation Garden, El Cajon
    13. 17. Source: Glen Schmidt, ASLA Schmidt Design Group
    14. 19. <ul><li>Witham et al. (1998) </li></ul><ul><li>Ecology, Conservation, and Management of Vernal Pool Ecosystems. </li></ul>
    15. 20. Clay Substrate Robert N. Hawk, PE, CEG, HG Senior Engineering Geologist City of San Diego
    16. 22. Plant Palette Research <ul><li>Xeriscape Plants </li></ul><ul><li>Irrigation </li></ul><ul><li>Fire Hazard </li></ul><ul><li>Bioremediation </li></ul><ul><li>Invasive Species </li></ul>Source: Truckee Meadows NV
    17. 23. Summary <ul><li>Provide LID Guidance </li></ul><ul><li>Plan and adapt around constraints </li></ul><ul><li>Research </li></ul><ul><ul><ul><ul><li>Arid Plants & Effectiveness </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Geological/geotechnical </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Economics in our region </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Urban LID examples </li></ul></ul></ul></ul><ul><li>LID Education! </li></ul>Mission Valley Library, San Diego
    18. 24. Thank You

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