The drinking water produced by the Springfield Water and Sewer Commission originates from a surface water supply located in Blandford and Granville, Massachusetts. Two water bodies make up the water 
supply: Cobble Mountain Reservoir (Source Water ID #1281000-02S), and Borden Brook Reservoir (Source Water ID #1281000-04S). A source water assessment has been completed by the Massachusetts Department of Environmental Protection and is available at: