If replacing an old toilet, state plumbing code requires the installation of ultra low-flow toilets that use 1.6 gallons of water or less per flush.
A Dewatering Permit application must be filed for certain discharges to the Commission's wastewater or storm drainage systems. It is necessary to research BWSC's wastewater maps to determine whether the discharge is to a sanitary sewer, combined sewer or storm drain. Click the link below to download a copy of the permit application. The final submission must be made to:
Construction Site Manager
Engineering Customer Service
Boston Water and Sewer Commission
980 Harrison Avenue
Boston, MA 02119
For more information please contact BWSC's Engineering Customer Service Department at (617) 989-7000.