Table of contents

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Structural BMP types	Non-structural practices	Planning	Other topics	Background material
Bioretention Bioswales Blue roofs Dry ponds Enhanced swales Exfiltration trenches Gravel diaphragms Green roofs Infiltration chambers Infiltration trenches Level spreaders Permeable paving Rain barrels Rain gardens Rainwater harvesting Soil cells Stormwater planters Trees Vegetated filter strips	Pollution prevention No-mow Digital technologies ESC?	Integrated design Site design strategies Existing hydrology Siting and layout of development Reducing impervious area Natural drainage Public lands site conditions LID opportunities By road type On industrial and commercial properties In parks	Cost analysis resources and Funding Low permeability soils Salt and Winter Wildlife Runoff volume control target and Water quality Flow control and Flood mitigation Other guides Academic research Drainage time	Definition of Low Impact Development History and context Evolution of SWM

Best management practice. State of the art methods or techniques used to manage the quantity and improve the quality of wet weather flow. BMPs include: source, conveyance and end-of-pipe controls.

Low Impact Development. A stormwater management strategy that seeks to mitigate the impacts of increased urban runoff and stormwater pollution by managing it as close to its source as possible. It comprises a set of site design approaches and small scale stormwater management practices that promote the use of natural systems for infiltration and evapotranspiration, and rainwater harvesting.