Low Impact Development (LID) is a comprehensive land planning and engineering design approach with a goal of maintaining and enhancing the pre-development hydrologic regime of urban and developing watersheds. LID is an ecologically friendly approach to site development and storm water management that aims to mitigate development impacts to land, water, and air. The approach emphasizes the integration of site design and planning techniques that conserve natural systems and hydrologic functions on a site. The practice has been successfully integrated into many municipal development codes and storm water management ordinances throughout the United States.

Specifically, LID aims to:
• Preserve open space and minimize land disturbance
• Protect natural systems and processes (drainageways, vegetation, soils, sensitive areas)
• Reexamine the use and sizing of traditional site infrastructure
• Incorporate natural site elements (wetlands, stream corridors, mature forests) as Design

Elements:
• Decentralize and micromanage stormwater at its source. We are committed to using this approach towards land planning and design because we believe these are techniques which will help to
• Protect regional fl ora and fauna
• Balance growth needs with environmental protection
• Reduce municipal infrastructure and utility maintenance costs (streets, curbs, gutters, sidewalks, stormsewer)
• Increase collaborative public/private partnerships
• Reduce land clearing and grading costs
• Potentially reduce infrastructure costs (streets, curbs, gutters, sidewalks)
• Reduce stormwater management costs
• Potentially reduce impact fees and increases lot yields
• Increase lot and community marketability
• Preserve integrity of ecological and biological systems
• Protect site and regional water quality by reducing sediment, nutrient, and toxic loads to water bodies
• Reduce impacts to local terrestrial and aquatic plants and animals
• Preserve trees and natural vegetation1

Bioremediation
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SDCI 2009 PRESENTATION