The Maine Overboard Discharge Assistance Program shall provide assistance to homeowners whose homes are serviced by substandard or malfunctioning waste water treatment systems, including straight pipe discharges, individual overboard discharge systems, subsurface waste water disposal systems, septic tanks, leach fields and cesspools, which systems result in direct discharges of domestic pollutants to the surface waters of the State. [1989, c. 48, §§7, 31 (NEW).]