Bioswales - USDA

BioswalesWhat are Bioswales ? Bioswales are storm water runoff conveyance sys-tems that provide an alternative to storm can absorb low flows or carry runoff fromheavy rains to storm sewer inlets or directly to sur-face waters. Bioswales improve water quality byinfiltrating the first flush of storm water runoff andfiltering the large storm flows they majority of annual precipitation comes fromfrequent, small rain events. Much of the value ofbioswales comes from infiltrating and filteringnearly all of this a bioswaleFor best results, enhance and utilize existing natu-ral drainage swales whenever possible. Existingswales can be enhanced with native plants.

frequent, small rain events. Much of the value of bioswales comes from infiltrating and filtering nearly all of this water. Designing a bioswale For best results, enhance and utilize existing natu-ral drainage swales whenever possible. Existing swales can be enhanced with native plants. The thicker and heavier the grasses, the better the

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  Small, Natives, Usda, Bioswales

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