Best Management Practice

From Wikipedia, the free encyclopedia

Best Management Practices (BMP) are structural and nonstructural stormwater management control measures taken to mitigate changes to both quantity and quality of runoff caused through changes to land use. Generally BMPs focus on increased impervious surfaces from development. BMPs are designed to reduce volume, peak flows, and/ or nonpoint source pollution through evapotranspiration,infiltration,detention, and filtration or biological and chemical actions. Exampes of Structural BMPS include bioinfiltration or bioretention rain gardens, pervious concrete and porous asphalt, infiltration trenches, and green roofs. These practices are generally used in Low Impact Development applications LID. Information is available through the Villanova Urban Stormwater Partnership website [1], the Pennsylvania Stormwater BMP Manual [2], and the EPA Urban Stormwater BMP Study[3].

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