Deep well injection

deep well injection : A process by which waste fluids are injected deep below the surface of the earth.
defoliant : An herbicide that removes leaves from trees and growing plants.

Ground water entering near coastal waters that have been contaminated by land- fill leachate, deep well injection of hazardous wastes, septic tanks, etc.
Ground-Water Disinfection Rule ...

Groundwater discharge: Ground water entering coastal waters, which has been contaminated by land-fill leachates, deep well injection of hazardous wastes and septic tanks.

See also: Well, Surface water, Disposal, Well injection, Organic