N.Y. Comp. Codes R. & Regs. tit. 21, § 1806.23
(a) The project sponsors of all withdrawals subject to review and approval under section 1806.4, 1806.5 or 1806.6 of this Part shall comply with the following standards, in addition to those required pursuant to section 1806.21 of this Part.
(3) The commission may impose limitations or conditions to mitigate impacts, including without limitation:
(4) The commission may require the project sponsor to undertake the following, to ensure its ability to meet its present or reasonably foreseeable water needs from available groundwater or surface water without limitation:
(6) Notwithstanding this paragraph, existing withdrawals that successfully complete the process in section 1806.12(h) and (i) of this Part shall satisfy the standards in paragraph (2) of this subdivision. Further, evaluation of the withdrawal shall include reasonably foreseeable need and the need for total system limits, compliance with section 1806.21 of this Part, and any changes to the project or project location and setting.
(b) Limitations on and considerations for withdrawals.