New Jersey Statutes Title 58. Waters and Water Supply 58 § 10-23.11g10

a. As used in this section:

“Governmental unit” means the State, a municipality, county, or other political subdivision of the State, or any agency thereof authorized to administer, protect and maintain lands or structures for recreation or conservation purposes;

“Recreation or conservation purposes” means the use of lands for parks, natural areas, ecological and biological study, historic areas, historic buildings or structures, forests, trails, camping, fishing, water reserves, wildlife preserves, hunting, boating, winter sports and similar uses for either public outdoor recreation or conservation of natural resources, or both.

b. A governmental unit that holds an easement interest in any real property for recreation or conservation purposes on which there has been a discharge of a hazardous substance, shall not be liable pursuant to P.L.1976, c. 141 (C. 58:10-23.11 et seq.), any other law, or common law, for cleanup and removal costs, or for any direct or indirect damages, due to the discharge of a hazardous substance on the property. The provisions of this section shall not apply to a governmental unit if that entity has caused or contributed to the discharge of a hazardous substance on the property.