N.Y. Comp. Codes R. & Regs. tit. 6, § 750-2.4
(b) Any person is guilty of a class A misdemeanor who with criminal negligence, as defined in section 15.05 of the Penal Law:
(6) introduces into a sewer system or publicly owned treatment works any pollutant or hazardous substance:
(c) Any person is guilty of a class E felony who knowingly, as defined in section 15.05 of the Penal Law:
(6) introduces into a sewer system or publicly owned treatment works any pollutant or hazardous substance:
(d) Any person is guilty of a class C felony who intentionally, as defined in section 15.05 of the Penal Law:
(1) violates:
(3) for the purpose of paragraphs (1) and (2) of this subdivision, in determining whether a defendant who is an individual knew that his conduct placed another person in imminent danger of death or serious bodily injury: