Ground Vibration Attack on the Raleigh Durham Triangle (NC) Durham Sewage Treatment. The Raleigh Durham Triangle area in North Carolina may be under attack due to low frequency ground vibrations emanating from the East which may damage the Triangle Wastewater Plant that covers sewage for entire area. They started around December of 2020 and have already damaged a roof at the Falls Pointe at the Park Apartment Complex and are confirmed to be reaching the plant. The sewage plant said in a call that the County Engineering department is getting the ground surveyed for vibration. 12 Apartment complexes have been notified. See attached link for complaint.