If, because of an accident or other activity or incident, a substance which would pollute the waters of the commonwealth located within the Township and could endanger downstream users of the waters or its aquatic life or could damage property is discharged into these waters, including but not limited to sewers, drains, ditches or other channels of conveyance into the waters, or is so placed that it might discharge, flow, leach, be washed or fall into them, it shall be the responsibility of the person at the time of such incident in charge of the substance or owning or occupying the premises, facility, vehicle or vessel from or on which the substance is discharged or placed to forthwith notify the Township Manager's office, such owner or occupant and the Pennsylvania Department of Environmental Protection by telephone of the location and nature of the incident and, if reasonably possible to do so, to notify known downstream users of the waters.