New Jersey Statutes Title 58. Waters and Water Supply 58 § 10A-10.3

a. The department may request that any person whom the department has reason to believe has, or may have, information relevant to a discharge or potential discharge of a pollutant, including, but not limited to, any person having generated, treated, transported, stored, or disposed of the pollutant, or any person having arranged for the transportation, storage, treatment or disposal of the pollutant, shall provide, upon receipt of written notice therefor, the following information to the department:

b. The commissioner may issue subpoenas requiring attendance and testimony under oath of witnesses before, or the production of documents or information, in whatever form stored or recorded, to him or to a representative designated by the commissioner.  Service of a subpoena shall be by certified mail or personal service.  Any person who fails to appear, give testimony, or produce documents in response to a subpoena issued pursuant to this subsection, shall be subject to the penalty provisions of section 10 of P.L.1977, c. 74 (C.58:10A-10).  Any person who, having been sworn, knowingly gives false testimony or knowingly gives false documents or information to the department is guilty of perjury and is subject to the penalty provisions of section 10 of P.L.1977, c. 74.

c. A person receiving a request for information made pursuant to subsection a. of this section, or to a subpoena issued pursuant to subsection b. of this section, shall:

d. No person may destroy any records relating to a discharge or potential discharge to surface water within five years of the discharge, or to a discharge or potential discharge to ground water at any time without the prior written permission of the commissioner.