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Stormwater Management

Stormwater Management. Best Practices for Greening Des Moines Parking Lots. Parking Lots and Sustainability . Economy Social Equity Environment Runoff volume Runoff quality Heat island effect. The Runoff Problem. Current Legal Structure. Off-street parking and loading

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Stormwater Management

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  1. Stormwater Management Best Practices for Greening Des Moines Parking Lots

  2. Parking Lots and Sustainability • Economy • Social Equity • Environment • Runoff volume • Runoff quality • Heat island effect

  3. The Runoff Problem

  4. Current Legal Structure • Off-street parking and loading • Stormwater Management Utility

  5. Impact on Sustainability • Positive effects • Negative effects South Ridge Mall

  6. What Are Other Cities Doing? • San Francisco, CA • Street trees and expected tree cover • Enhancement of pervious surfaces • Kansas City, MO • Shared parking • Lot size reduction initiatives • Navassa, NC • Pervious surface minimums • Maximum lot size

  7. Applicability to Des Moines

  8. Sustainable Options—Impacts • Reduces runoff by allowing infiltration • Controls contaminants • Absorbs and stores less heat

  9. Comments or Questions?

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