New York Codes, Rules and Regulations
Title 21 - Miscellaneous
Chapter LXXI - Battery Park City Authority
Part 9003 - Parks Rules And Regulations Of The Battery Park City Authority And The Battery Park City Parks Corporation
Section 9003.8 - Littering, refuse, pollution of waters

(a) No person shall litter in any of the parks. All persons shall use receptacles provided for the disposal of refuse. No refuse generated or collected on property outside the jurisdiction of ParksCorp may be taken into, dumped within, or carried through any park, or deposited in any park receptacle.

(b) No person shall throw, drop, allow to fall, or discharge into or leave in the waters within or adjacent to any park (including pools and fountains), or any drain flowing into said waters, any substance, liquid or solid, or any litter, debris or refuse which may or will result in the pollution or fouling of said waters.