Water Department

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About Cohasset Water The Cohasset Water Department under the elected Board of Water Commissioners, provides public drinking water to 2, 411 connection for about 7, 100 Cohasset residents and provides and maintains a water system for fire fighting. We also provide drinking water for almost 90% of the population of Cohasset, excluding North Cohasset which get its water from Aquarion Water Company of Massachusetts. Board of Water Commissioners