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Explore water quality sampling sites, field offices, key pieces of infrastructure, and land cover/land use throughout Cambridge's 24-square mile surface water supply watershed.
These maps have been developed to support the watershed protection plan for the City of Cambridge drinking water watershed. They were originally created as part of the 2011 Surface Water Protection Plan that is filed with the Department of Environmental Protection for the State of Massachusetts. These maps show the major factors that impact water quality and our program to monitor and protect the quality of our drinking water.