Rain Gardens

Courtesy Recent Science Inventory records from the EPA  Fri, 06/19/2009 - 10:46

Rain gardens are vegetated surface depressions, often located at low points in landscapes, designed to receive stormwater runoff from roads, roofs, and parking lots.

The gardens? sandy soils allow stormwater to drain quickly to the native soils below and eventually to groundwater.

The rain garden vegetation and soils remove pollutants and nutrients from stormwater runoff through biological and physical processes such as plant uptake and sorption to soil particles.

In comparison with stormwater release to receiving waters through conventional storm...

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