Pay My Bill Listed below are the accepted payment options at Montgomery Water Works. Kiosk Machines are available 24 hours a day 7 days a week at 116 Coosa Street Montgomery, AL 36104. Pay on the Web (Click Here) Pay by Telephone (334-206-1600) Mail your Payment (P.O. Box 1670 Montgomery, AL 36102) Visit one of our merchants in your community who accept payments. For a list of merchants click the link below: Montgomery Water Works Payment Merchants Please click here to contact us if you have any questions.