Stormwater infiltration BMPs - contributing drainage area
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Stormwater BMP Recommended contributing area Notes References
Infiltration Basin 50 acres or less A natural or constructed impoundment that captures, temporarily stores and infiltrates the design volume of water into the surrounding naturally permeable soil over several days. In the case of a constructed basin, the impoundment is created by excavation or embankment. [1], [2], [www.dep.wv.gov/WWE/Programs/stormwater/MS4/Pages/StormwaterManagementDesignandGuidanceManual.aspx], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12]
Bioinfiltration Basin
Infiltration Trench
Dry Well Synonym: Infiltration Tube, French Drain, Soak‐Away Pits, Soak Holes
Underground Infiltration
Dry Swale with Check Dams
Permeable Pavement
Tree Trench/Tree Box