N.Y. Comp. Codes R. & Regs. tit. 10, § 128-1.4 – Applicability.

(a) These rules and regulations apply to all persons undertaking, or proposing to undertake, the activities in the categories listed below, where such activities are specifically regulated in these rules and regulations and occur in the New York City watershed:
1. (1) discharge or storage of pathogenic materials;
2. (2) discharge or storage of hazardous substances and hazardous wastes;
3. (3) discharge or storage of radioactive materials;
4. (4) discharge or storage of petroleum products;
5. (5) discharge or transport of human excreta;
6. (6) design, construction and operation of wastewater treatment plants;
7. (7) design, construction and operation of sewerage systems and service connections;
8. (8) design, construction and operation of intermediate sized and individual sewage treatment systems;
9. (9) discharge of stormwater and sediment, and preparation and implementation of Stormwater Pollution Prevention Plans;
10. (10) construction of impervious surfaces;
11. (11) discharge from miscellaneous point sources;
12. (12) discharge of solid waste, including the siting of junkyards and solid waste management facilities;
13. (13) discharge from agricultural activities;
14. (14) discharge or storage of pesticides;
15. (15) application and storage of fertilizers; or
16. (16) snow disposal and application and storage of winter highway maintenance materials.
(b) These rules and regulations apply to substantial alterations or modifications of the activities described in subdivision (a) of this section.
(c) These rules and regulations apply to a substantial alteration or modification of any noncomplying regulated activity, as set forth in these rules and regulations.
(d) These rules and regulations apply to noncomplying regulated activities that are required to come into compliance with these rules and regulations as set forth in these rules and regulations.
(e) The boundaries of the New York City watershed have been delineated on United States Geological Survey maps, which are available for inspection at the offices of the local representatives of the department and the New York State Department of Health listed in section 128-1.5 of this Subpart. A map of the watershed is provided in section 128-10.1 of this Part for reference purposes only.