143-215.6D. Additional requirements applicable to certain municipal wastewater treatment facilities.

(a) As used in this section, "municipal" and "municipality" refer to any unit of local government which operates a wastewater treatment plant. As used in this section, "unit of local government" has the same meaning as in G.S. 130A-290.

(b) A municipality that operates a wastewater treatment plant with an influent bypass diversion structure and with a permitted discharge of five million gallons per day or more into any of the surface waters of the State shall maintain a notification list of units of local government which have requested to be on such list. Any unit of local government with territorial jurisdiction over or adjacent to any part of the surface waters of the State located within 100 miles downstream from the point of discharge from a municipal wastewater treatment plant to which this section applies as measured along the path of the stream, and any unit of local government which withdraws water from such surface waters to supply water to the public, may request the municipality operating the wastewater treatment plant to include the names of appropriate officials of the unit of local government on the notification list required by this subsection. The municipality operating such municipal wastewater treatment plant shall give notice of each instance when untreated or partially treated wastewater is diverted so as to bypass the wastewater treatment plant to each person on the notification list at least 24 hours before any such instance which is planned or anticipated and within 24 hours after any such instance which is unplanned or unanticipated.