N.J. Stat. Ann. § 40:32-7.12

The board of chosen freeholders may by resolution make, alter, amend, and repeal rules and regulations for the supervision, regulation and control of all activities carried on, conducted, sponsored, arranged, or provided for in connection with a public golf course or other county recreational, playground or public entertainment facility, and for the protection of property, and may prescribe and enforce fines and penalties for the violation of any such rule or regulation.