New Jersey Administrative Code
Title 5 - COMMUNITY AFFAIRS
Chapter 21 - RESIDENTIAL SITE IMPROVEMENT STANDARDS
Subchapter 5 - WATER SUPPLY
Section 5:21-5.4 - Fire hydrants

1. Size, type, and installation of hydrants shall be in accordance with the requirements of the municipality or the water purveyor or shall conform to the AWWA Standard for Dry Barrel Fire Hydrants, ANSI/AWWA C502. Hydrants shall have at least three outlets; one outlet shall be a pumper outlet; the other outlets shall be at least two-and-one-half-inch nominal size. The pumper outlet shall face the street. All outlet nozzles shall be at least 12 inches above the adjoining grade. When a concrete slab is provided around the hydrant riser, the flange where the hydrant connects to the riser shall be at least two inches above adjacent grade. Street main connections shall not be less than six inches in diameter. Hose threads on outlets shall be compatible with existing municipal equipment and shall either conform to NFPA 1963 or shall match existing municipal requirements. A valve shall be provided on connections between hydrants and street mains. All pipe, fittings, and appurtenances supplying fire hydrants shall be AWWA or ASTM approved.

2. All fire hydrants shall conform to NFPA Standard 291.