A residential or non-residential facility or program licensed, certified or otherwise authorized to provide treatment of substance abuse or mental illness pursuant to the law or jurisdiction in which treatment is received.

a facility that uses any method, process, or technique designed to alter the physical, chemical, or biological character or composition of any hazardous waste

A structure designed to treat wastewater, storm water, or combined sewer overflows prior to discharging to the environment. Treatment is accomplished by subjecting the wastewater to a combination of physical, chemical, and/or biological processes that reduce the concentration of contaminants.