N.Y. Second Class Cities Law § 150

§ 150. Approval of plans for sewers and drains. All plans for sewers\nand drains shall be submitted to the health officer for his approval\nbefore contracts are let for the construction of the same, and, in case\nhe shall disapprove the same, such sewer and drains shall not be\nconstructed unless, on appeal to the commissioner, he shall approve the\nsame. The health officer has power, subject to the right of appeal\nherein provided, to stop the construction or use of drains and sewers\nwhich are not properly constructed or properly used, or which are not in\naccordance with plans previously approved and adopted.\n