Cover image of "Water-Quality Swales: Low-impact development fact sheet"
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Water-Quality Swales: Low-impact development fact sheet

A water-quality swale is like a rain garden in motion: It treats runoff while simultaneously moving it from one place to another. Water-quality swales are channeled depressions planted with trees, shrubs and grasses that help remove pollutants from stormwater. Learn about two different kinds of swales and their costs, design, construction, and maintenance.

EM 9209    Published June 2018    8 pages