N.Y. Comp. Codes R. & Regs. tit. 21, § 890.81 – Policy of protection and preservation.

(a) Minimizing adverse alterations in the quantity and quality of the underlying soils and natural flow of waters that nourish wetlands.
(b) Safeguarding against adverse draining, dredging or filling practices, liquid or solid waste management practices, and siltation.
(c) Preventing the excessive addition of pesticides, salts or toxic materials arising from non-point source wastes.
(d) Preventing destructive construction activities generally.

It shall be the policy of the commission to support the preservation and protection of wetlands by: