A bored, drilled, or driven shaft or a dug hole whose depth is greater than its largest surface dimension, which is completed above the water table so that its bottom and sides are typically dry except when receiving fluids.
Small excavated trenches filled with stone to control and infiltrate rooftop runoff. EPA: Environmental Protection Agency. Erosion: The process of soil detachment and movement by the forces of water.
A type of BMP comprised of a small, excavated pit, backfilled with aggregate, which is used to infiltrate high quality runoff.