• Water Division Responsibilities

    The Department of Public Utilities' Water Division is responsible for the oversight of investor-owned water utilities
  • Water Company Annual Returns

    Review water companies’ annual financial and operating returns filed with the DPU as required by G.L. c. 165, § 2 and G.L. c .164, § 83.

  • Overview of Water Systems Regulation

    Learn which water systems are regulated by the Department of Public Utilities, as well as those that are not
  • Department Regulated Water Systems  pdf format of Department Regulated Water Systems
docx format of                             Department Regulated Water Systems

    The Department was originally granted jurisdiction over private water companies on August 1, 1914.  Initially, this jurisdiction was limited to those privately-owned water companies whose mains were located in public ways; those located in private ways were exempt.  In 1962, the Department’s jurisdiction was extended to water systems located on private ways.

  • Water System Rates and Charges  pdf format of Water System Rates and Charges

    The Department provides this information for the convenience of users only.  While every effort has been made to ensure the accuracy of the information herein, the official versions of all water company rates and charges are only available through the water company tariffs on file at the Department.

  • Interest Rates for Security Deposits and Late Payment Charges

    Find interest rates for security deposits and late payment charges for non-residential customers of investor-owned utilities; find interest rates for security deposits of customers of municipal light plants