N.J. Stat. § 40:23-6.1
The provisions of this section 40:23-6.1 of this Title shall apply to counties which have or may hereafter have a population, as ascertained by the most recent State or Federal census, of more than two hundred thousand inhabitants.
In any such county, the board of chosen freeholders shall have the power, whenever in its judgment the public need requires it, to use land now or hereafter in its possession, to acquire land and buildings, by purchase, condemnation, gift or otherwise, anywhere in the county, and to erect thereon suitable structures and buildings, and to furnish, operate and maintain the same, for the purpose of establishing and operating a summer camp for undernourished and under-privileged children of the county, and children of the county whose health may be benefited by it and advancing public recreation and the public health and welfare.
In any such county, the board of chosen freeholders shall have the power, whenever in its judgment the public need requires it, to conduct and operate a summer camp for under-nourished and under-privileged children of the county, and children of the county whose health may be benefited by it, and to establish rules and regulations for admission to the same.
N.J.S. § 40:23-6.1