egetated Swales also referred to as
Eco-Swales and Bio-Swales are used as an environmentally sensitive alternative to conventional storm sewers.

egetated Swales can be natural or manmade, and are designed to trap particulate pollutants (suspended solids and trace metals), promote infiltration,reduce the flow velocity of storm water runoff and beautify the community. 

lant communities established in these swales normally utilize low maintenance plants native to the area.