N.Y. Environmental Conservation Law § 21-0511

§ 21-0511. Further pollution.\n No person, firm or corporation, municipal or otherwise, shall create,\nestablish, cause or maintain any source of pollution within the\ndistrict, not existing on April 1, 1935; provided, however, that after\nhearing and investigation on application of such person, firm or\ncorporation, municipal or otherwise, the commission may issue such order\nrelating to any such pollution as it shall find will best serve the\npublic interest.\n