N.J. Stat. § 58:12A-12.7
As used in this act:
"Copper action level" means the standard for copper in drinking water established by the United States Environmental Protection Agency, or a more stringent standard adopted by the department pursuant to the "Safe Drinking Water Act," P.L. 1977, c.224 (C.58:12A-1 et seq.).
"Customer" means a residential or commercial customer of record and, if known to the public water system, any residential tenant of a multifamily residence having two or more units where the landlord of that residence is a non-residential customer of record. "Customer" shall include all schools, daycare centers, and facilities serving young children, all public and private hospitals, medical clinics, and doctor's offices serving pregnant women and young children, all local health and welfare agencies in the public water system's service area, and the offices of the chief executive officer of each municipality in the public water system's service area.
"Department" means the Department of Environmental Protection.
"Landlord" means the same as that term is defined in section 2 of P.L. 1975, c.310 (C.46:8-44).
"Lead action level" means the standard for lead in drinking water established by the United States Environmental Protection Agency, or a more stringent standard adopted by the department pursuant to the "Safe Drinking Water Act," P.L. 1977, c.224 (C.58:12A-1 et seq.).
"Lead service line" means a water supply connection that is made of, or lined with a material consisting of, lead and connects a water main to a building inlet. A lead pigtail, lead gooseneck, or other lead fitting shall be considered a lead service line, regardless of the service line material. A galvanized service line or a service line of unknown material shall be considered a lead service line. A lead service line may be owned by a public water system, a property owner, or both.
"Partial service line replacement" means the replacement of some, but not all, of the lead service line, including any portion of the pipe connecting a water main to an individual water meter or service connection.
N.J.S. § 58:12A-12.7