New Jersey Statutes Title 50. Shellfish 50 § 2-10.1

No person shall use or employ any boat or other vessel propelled wholly or in part by steam, naphtha, gasoline, electricity or any other mechanical motive power, or any motor driven apparatus, for the purpose of catching or taking of clams from any of the waters of this State, whereby the soil or bottom on or in which the clams are found is agitated or disturbed by the propeller wheel or wheels of the boat or vessel or by any other motor or mechanically driven apparatus thereon for the purpose of catching or taking clams as aforesaid, except by permit issued by the department with the approval of the council for taking clams from the waters of the Delaware Bay.