N.J. Stat. § 58:5A-2
Said constabulary shall be organized into a police system to be known as the " Watershed Police," which shall be separate and distinct from any municipal, county or State police system. The commission or the governing body of such municipality, as the case may be, shall have sole control of the appointment, compensation, terms and duration of employment and management of the said constabulary, for the securing of proper discipline and efficiency among the members thereof; provided, however, that in the case of any such municipality now or hereafter operating under the provisions of Title 11 of the Revised Statutes, Civil Service, all members of said constabulary shall be appointed in accordance with the provisions of said Title 11 of the Revised Statutes.
N.J.S. § 58:5A-2