N.J. Stat. § 32:19-4
Whenever the Interstate Environmental Commission shall be of the opinion that any person, association or corporation, municipal or otherwise, within the district is failing or omitting, or about to fail or omit to do anything required of it by its order or by the laws governing the control or elimination of pollution of the waters of the district, or is doing or is about to do anything or permitting or about to permit anything to be done contrary to or in violation of such orders or such laws or the provisions of the compact, it may direct its legal representative to commence an action or a proceeding in lieu of prerogative writ in the name of the Interstate Environmental Commission in the Superior Court for the purpose of preventing the continuance of such violations or threatened violations either by injunctive or other relief. The court shall have jurisdiction to hear and determine such action or proceeding upon the merits and grant such relief as may be appropriate.
N.J.S. § 32:19-4