Miller Ecological Park's New Rain Garden

Rain Gardens

A rain garden is a planted depression that allows rainwater runoff from impervious areas, like driveways, walkways, parking lots, and compacted lawn areas, the opportunity to be absorbed rather than dumped directly to a storm sewer. The rain garden slows down the rush of water and reduces rain runoff by allowing storm water to soak into a shallow, constructed depression that is planted with deep-rooted native plants & grasses. This allows time for the rainwater to naturally infiltrate into the ground. 

Rain gardens are a beautiful and colorful way for parks, businesses, private homeowners and municipalities to help ease storm water problems and pollution. Rain gardens can cut down on the amount of pollution reaching creeks and streams by up to 30%.

Rain gardens differ from retention basins, in that the water will infiltrate the ground within a day or two. This short retention period creates the advantage that mosquitoes will not have the time to breed.