Use the return envelope sent along with your bill. Checks or money orders should be made payable to NYC WATER BOARD. Simply enclose your bill stub and check or money order, put a stamp on the envelope and mail to:
NYC Water Board
P.O. Box 371488
Pittsburgh, PA 15250-7488
To pay your water and sewer bill you will need your water and sewer bill account number, located in the upper-left corner of your water bill.