No hazardous waste, including septic waste, shall be disposed of in an area overlying an actual, planned, or potential underground drinking water source as described on the ground water maps of the U.S. geological survey and the Rhode Island water resources board, providing the underground drinking water source has been designated, on the basis of hydrogeologic data, as a future or potential municipal water source by the city or town in which the underground water source is located and, furthermore, providing there is a local ordinance relating to groundwater aquifer zones.