N.Y. Environmental Conservation Law § 17-0826-A
1. Publicly owned treatment works or the operator of a publicly owned sewer system shall immediately, but in no case later than two hours after discovery, report discharges of untreated or partially treated sewage, including combined sewer overflows, except partially treated sewage discharged directly from a publicly owned treatment works that is in compliance with a department approved plan or permit, to the department and the local health department, or if there is none, the New York state health department. Such report shall, at a minimum, include, to the extent knowable with existing systems and models: