N.J. Stat. § 58:25-27
A municipality subject to the provisions of section 3 of this act shall eliminate or cause to be eliminated any unpermitted interconnections of stormwater sewer systems and sanitary sewage systems within the municipality. Any unpermitted interconnection in existence 30 months after enactment of this act shall be subject to the civil penalty provisions of P.L. 1977, c. 74 (C. 58:10A-1 et seq.). Municipalities that fail to take appropriate measures to eliminate, or cause to be eliminated, unpermitted cross-connections after receiving written or constructive notice thereof, shall also be subject to the civil penalty provisions of P.L. 1977, c. 74. An action to enforce the civil penalty provisions of P.L. 1977, c. 74 may be brought by the department, the municipality, or other public entity controlling or operating the stormwater sewer system with an unpermitted interconnection. The action shall be in the name of the public entity bringing the action. Municipalities within the counties of Monmouth, Ocean, Atlantic, and Cape May shall also take appropriate measures to abate nonpoint sources of pollution directly entering salt waters.
N.J.S. § 58:25-27