Many rain gardens fall flat: This one shows how it's done
from The Washington Post
A rain garden is a landscaped swale designed to hold and capture storm water until it can percolate into the soil. Rain gardens have become extremely popular, if not required, in cities as a way of reducing the runoff caused by acres of roofs and paved surfaces.
7701 Las Colinas Blvd., Ste. 800, Irving, TX 75063