MDC stands for Metropolitan District Commission. It was chartered by the CT General Assembly in 1929 and is a non-profit municipality providing water and wastewater services to 8 member towns and 4 non-member towns. 
          MDC-served towns include:  Bloomfield, Hartford, Windsor, East Hartford, Newington, Rocky Hill, West Hartford, and Windsor as well as sections of Farmington, Glastonbury, East Granby, and South Windsor.
          The MDC's mission: " to provide our customers with safe, pure drinking water, environmentally protective wastewater collection and treatment and other services that benefit the member towns".

Niagara, the largest privately owned producer of U.S bottled water, is based in California and since 2008 has expanded across the U.S.  Bottling water under both its own name and private labels at stores such as Costco, Niagara will have access to up to 1.8 million gallons of water a day at a discount from the Metropolitan District Commission.   Its 443,000-square-foot plant is being built in the Hartford suburb of Bloomfield.  Each of its robotic lines can produce up to 2.6million single-serve plastic bottles daily.
          To entice Niagara, the MDC offered its first volume discount since its founding in 1929. The break was offered to users of more than 500,000 gallons a day whose water use goes through a single meter. Niagara was also offered a significant discount on its Clean Water Project Charge. Citizen advocacy prompted the MDC to rescind these discounts in the fall of 2016, though they threaten to re-instate them at any point.