New Jersey Statutes Title 40. Municipalities and Counties 40 § 56-7

Any municipality may purchase, condemn, or otherwise acquire any real estate or right or interest therein, useful or necessary for the making of such improvement, located within or without the municipality, and any personal property, useful or necessary therefor, may hire and employ all such engineers, surveyors, officers and employees;  construct or cause to be constructed any work or thing deemed necessary for the making of any such improvement;  enter into any contract or agreement for the acquisition of any such property or the construction of any such work, and do all other acts necessary to carry on, complete, maintain and operate any such improvement.