Low-impact development (LID) is a term used in Canada and the United States to describe a land planning and engineering design approach to managing stormwater runoff. LID emphasizes conservation and use of on-site natural features to protect water quality. This approach implements engineered small-scale hydrologic controls to replicate the pre-development hydrologic regime of watersheds through infiltrating, filtering, storing, evaporating, and detaining runoff close to its source.
LID is similar to sustainable urban drainage systems (SUDS), a term used in the United Kingdom, water-sensitive urban design (WSUD), a term used in Australia, natural drainage systems a term used in Seattle, Washington and "Onsite Stormwater Management", a term used by the Washington State Department of Ecology.
Read more about Low-impact Development: Alternative To Conventional Stormwater Management Practices, Designing For Low Impact Development, Five Principles of Low Impact Development, Typical Practices and Controls, Benefits
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“Other nations have tried to check ... the fulfillment of our manifest destiny to overspread the continent allotted by Providence for the free development of our yearly multiplying millions.”
—John Louis O’Sullivan (1813–1895)