N.J. Stat. Ann. § 40:14B-53

Each county and municipality within the district, and every person owning or operating any sewer or drain or any system of water distribution serving 3 or more parcels of real property in the district, shall at the request and expense of the municipal authority make available to the municipal authority any and all of its maps, plans, specifications, records, books, accounts or other data or things deemed necessary by the municipal authority for its purposes.