N.J. Stat. Ann. § 12:7-49

No person shall operate a dredge which shall have in tow excessive lines of pontoons and other equipment and thereby endanger buoys, lights and other aids to navigation. A length of pontoon or other tow exceeding one hundred fifty feet measured from the stern of the towing vessel shall be deemed for the purposes of this act presumptive evidence of a violation of this section where damage is shown to have occurred within twenty-four hours after the passage of such pontoon or tow.