N.Y. Comp. Codes R. & Regs. tit. 6 § 601.3
This Part applies to any person who is engaged in, or proposes to engage in, the construction, operation or maintenance of a water withdrawal system that withdraws water of a volume equal to or greater than the threshold volume; the taking, condemnation or acquisition of land for the development or protection of sources of public water supply systems in excess of the threshold volume; the extension of a water service area associated with a water withdrawal system that withdraws water of a volume equal to or greater than the threshold volume; and the interbasin diversion of water or wastewater. This Part also applies to any person who proposes to transport or carry waters of the state to any location outside the State as specified in ECL 15-1505(1), or to transport or carry by vessel more than 10,000 gallons in any one day of the waters of the State. All valid public water supply permits and approvals issued by the department or its predecessors that are in effect as of February 15, 2012 shall remain in full force and effect according to their terms for the purpose of satisfying the permit requirements of this Part for water withdrawals from a source and in an amount authorized by such permit or approval, except that the department may seek modification of such a permit in accordance with this Part.
N.Y. Comp. Codes R. & Regs. Tit. 6 § 601.3