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Best Management Practice Fact Sheet 8: Infiltration Practices

426-127 (BSE-276P)This fact sheet is one of a 15-part series on urban stormwater management practices. Please refer to definitions in the glossary at the end of this fact sheet. Glossary terms are italicized on first mention in the text. For a comprehensive list, see Virginia Cooperative Extension (VCE) publication 426-119, “Urban Stormwater: Terms and Definitions.”Infiltration practices provide temporary surface and/or subsurface storage, allowing infiltration of runoff into soils. In practice, an excavated trench is usually filled with gravel or stone media, where runoff is stored in pore spaces or voids between the stones (see figure 1). 8.5 x 11, DS, 4 pages, color, 24#, single staple upper left