N.Y. General Municipal Law § 120-U
3. Notwithstanding any inconsistent provision of this chapter or of any other general, special or local law or charter provision, except the applicable provisions of the public health and conservation laws, every municipality shall have, and whenever the governing body of the municipality shall determine that the public interest so requires, may exercise, the power:
12. To further the purposes of this section, to promote the installation of needed interconnections and the reinforcement of water supply systems to meet any possible emergency conditions and to facilitate the interchange of water works personnel, equipment, materials or supplies between municipalities, water works corporations, industrial corporations or other purveyors of water in event of emergencies, the state commissioner of health may appoint a state coordinator of water supply and may divide the state into any number of water service zones and appoint zone coordinators of water supply and assistant zone coordinators of water supply who shall be officials or employees of the state department of health, municipal or county departments of health or public works or municipal water works and shall serve without additional compensation for services rendered under or pursuant to the provisions of this section. It shall be the duty of all local water officials to cooperate with the state and zone water supply coordinators on all matters related to mutual aid for water service. The state coordinator shall have power:
13. The powers granted to a town or county water district may be exercised only by the town board of the town in which such town district is located, or by the board of supervisors of the county in which such county district is located, as the case may be, subject to the following conditions, limitations and exceptions: