The Addison County River Watch Collaborative informs towns, land managers and residents about the water quality in Addison County. The following are the areas that water quality is monitored.
        * Otter Creek watershed from Salisbury to Weybridge        
* Middlebury River watershed from its source to its confluence with Otter Creek
       * New Haven River watershed from its source to its confluence with Otter Creek
        * Little Otter Creek watershed from its source to its mouth at Lake Champlain
        * Lewis Creek watershed from its source to its mouth at Lake Champlain
      * Lemon Fair watershed from its source to its mouth at Lake Champlain
        * LaPlatte watershed from its source to its confluence with Shelburne Bay

​Information provided by

Water Quality Addison County