New Jersey Statutes Title 58. Waters and Water Supply 58 § 10A-62

(1) apply fertilizer to turf when a heavy rainfall, as shall be defined by the Office of the New Jersey State Climatologist at Rutgers, the State University, is occurring or predicted or when soils are saturated and a potential for fertilizer movement off-site exists;

(2) apply any fertilizer intended for use on turf to an impervious surface, and any fertilizer inadvertently applied to an impervious surface shall be swept or blown back onto the target surface or returned to either its original or another appropriate container for reuse; or

(3) apply fertilizer containing phosphorus or nitrogen to turf before March 1st or after November 15th in any calendar year, or at any time when the ground is frozen, except as provided otherwise in subsection b. of this section.