From the site: "An Oil and Gas Water Pollution Control Facility is a DEP primary facility type related to the Oil & Gas Program. The following lists the sub-facility types related to Water Pollution Control that are included: ____ Discharge Point -- The outfall from a wastewater treatment facility for oil and gas fluids Internal Monitoring Point -- A monitoing point within the wastewater treatment system where samples are collected Treatment Plant -- A facility for treating oil and gas wastewater to achieve permit effluent limits."