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A Comprehensive Approach to Stormwater Retrofit in Chicago

A Comprehensive Approach to Stormwater Retrofit in Chicago. City of Chicago Department of Environment May 2005. Presentation Outline. Overview – Why manage stormwater? Chicago’s Water Agenda Stormwater BMPs Successes and Challenges of BMPs. Stormwater Flow in Chicago:.

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A Comprehensive Approach to Stormwater Retrofit in Chicago

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  1. A Comprehensive Approach to Stormwater Retrofit in Chicago City of Chicago Department of Environment May 2005

  2. Presentation Outline • Overview – Why manage stormwater? • Chicago’s Water Agenda • Stormwater BMPs • Successes and Challenges of BMPs

  3. Stormwater Flow in Chicago:

  4. Stormwater Impacts • Flooded Basements • Untreated sewage in Chicago waterways • Adverse Impacts on Biodiversity: • Erosion and flooding • Impaired habitat for plants and animals

  5. Stormwater Impacts

  6. 2003 Mayor Daley’s Water Agenda for the City of Chicago • Water Quality • Water Conservation • - Managing Stormwater • - Outreach & Mobilization

  7. Chicago’s Water Agenda: “Understanding that our water resources work as a complex and connected system, the agenda calls for a comprehensive approach to the City’s treasured waterways to ensure that they are conserved for future generations, protected and improved, and managed so that water can continue to sustain us, connect us as neighbors, and define our community’s role nationally and internationally.”

  8. Chicago’s Water Agenda: • “The City will continue to invest in and encourage green infrastructure and design in City projects as well as private development.” • “The City will continue to reduce the amount of pollution that flows from roadways into area waterways.”

  9. Many actors…. • Chicago Department of Environment • Chicago Department of Water Management • Chicago Department of General Services • Chicago Department of Transportation • Chicago Department of Planning and Development • Department of Construction and Permits • Sister Agencies: Chicago Park District, Chicago Housing Authority, etc.

  10. …a variety of projects Permeable Alley – CDOT and CDOE TARP: Tunnel and Reservoir Project, begun in 1970s by the Metropolitan Water Reclamation District of Greater Chicago (MWRDGC)

  11. Ordinances/Regulatory Opportunities • Chicago Standard • Landscape Ordinance • Stormwater Ordinance?

  12. Stormwater Management Goals: • Reduce amount of impervious surface areas • Utilize landscape and soils to support the natural flow of stormwater • Support Mayor’s Green Initiatives: • Green Agenda • Water Agenda • Infrastructure Agenda

  13. Details 8 stormwater management practices Information for residential, commercial, & industrial applications Available online http://www.cityofchicago.org/ Environment A Guide to Stormwater BMPs

  14. Green Roofs Downspouts, Rain Barrels and Cisterns Permeable Paving Filter Strips Drainage Swales Naturalized Detention Basins Bioinfiltration Natural Landscaping Rain Gardens Stormwater BMPs

  15. Green Roofs City Hall Rooftop Garden (Intensive System)

  16. Green Roofs CCGT Rooftop Garden (Extensive System)

  17. Downspouts, Rain barrels & Cisterns

  18. Rain Barrels City retrofitted recycled barrels 2004 pilot program distributed 440 rain barrels to City residents

  19. Downspout Disconnection

  20. Permeable Paving

  21. Drainage Swales

  22. Bioinfiltration

  23. Natural Landscaping • Habitat for native species • Stabilizes soil, reduces erosion, captures water

  24. Natural Landscaping • Tailored to individual location • Drainage patterns, sun exposure, salt exposure

  25. Rain Gardens

  26. Rain Garden Basics Deep-rooted native plants to absorb water Shallow depression to collect water Turf strip for filtering and aesthetics

  27. 4 planted in 41st Ward pilot project Outreach activities continue See Chicago’s Rain Garden brochure at www.cityofchicago.org/Environment Rain Gardens

  28. Ford Supplier Park 155-acre Chicago Manufacturing Campus for 12 Ford automotive suppliers. • Natural landscaping • Wetland mitigation • Energy efficiency

  29. Tarkington Elementary School and Marquette Parkcollaboration Lagoon restoration and water runoff married to support each other

  30. Benefits of BMP Implementation

  31. Challenges of BMP Implementation • Legal requirements • Incentives • Public/developer engagement • Maintenance • Building Ordinances • Data Collection and Analysis • Priorities

  32. Outreach • Brochures & Publications • Community Meetings and Events • Collaboration with schools • Water Hotline 312-743-WATER • Websites www.cityofchicago.org/Environment www.cityofchicago.org/ConserveChicagoTogether

  33. Transit Media Ads

  34. Additional Resources • Department of Environment Homepage www.cityofchicago.org/environment • Conserve Chicago Together Website www.cityofchicago.org/ConserveChicagoTogether • Chicago Center for Green Technology www.cityofchicago.org/environment/greentech • Chicago’s Water Agenda: www.cityofchicago.org/WaterManagement

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