N.J. Stat. § 58:5A-4
The members and officers of the said constabulary may make service of summons or any other legal process, and may arrest on view and without warrant and conduct before the nearest magistrate of the municipality in which the arrest is made, or of a neighboring municipality, or any judge having jurisdiction to impose fines and penalties generally in said municipalities, any person found violating the rules and regulations so enacted and promulgated and in addition they shall have all the powers conferred by law on police officers or constables for the enforcement of the laws of this State in the municipalities in which the watershed properties, reservoirs, pumping stations, dams, pipelines, buildings, machinery and structures are located and the apprehension of violators thereof.
N.J.S. § 58:5A-4