N.Y. Comp. Codes R. & Regs. tit. 6, § 750-1.6
(b) Existing unpermitted discharges that previously did not require an individual permit.
(1) Such person shall either:
(2) If a discharge that is the subject of any of the applications described in paragraph (1) of this subdivision causes or contributes to any contravention of applicable standards or guidance values, the department may require abatement action to be undertaken notwithstanding the filing of an application or pending filing of an application or pending filing of a revised application.
(c) Proposed discharges.
Any person proposing to discharge pollutants under an individual SPDES permit shall file a complete SPDES application in accordance with Part 621 of this Title. Such a permit must be issued prior to discharge.