N.Y. Comp. Codes R. & Regs. tit. 17, § 15.12
(d) All highway maintenance activities, including but not limited to:
(e) All waterways maintenance activities, including but not limited to:
(f) Actions necessitated by emergencies, including but not limited to:
The following acts have been determined to be exempt acts and are therefore not subject to the requirements of SEQR or this Part: