Nashua River Lyie 13 rook % Cold Brook Nashua Salmon Brook s 0 'Lovewells Pond Lake $ $ cr joint Grass Brook Joint Grass Brook Dunstable Nashua Basin Cause Unknown Nutrients Pathogens Turbidity Pepperell C- % Lower Massapoag Pond A rki nO^ <£, (v.® % MA84087_2006, Massapoag Pond Merrimack Basin Metals Organic enrichment/Low DO Noxious aquatic plants Groton River \ / V MA84087_2006, Massapoag Pond Merrimack Basin Metals Organic enrichment/Low DO Noxious aquatic plants Tyngsborough / s' Westford Long Sought for Pond Impaired Waters and TMDL Status Dunstable, MA Impaired. Water body Label State ID. Waterbody Name Basin Name Category 4a POC (Pollutants of Concern) Category 5 POC (Pollutants of Concern) Map produced by EPA Region IGIS Center Map Tracker ID 3244, May 30, 2008 Data Sources: TeleAtlas, Census Bureau, USGS, MADEP N A AEPA I Miles United States Environmental Protection Agency New England Impaired Water Segment cza Category Z Category 4a ?77A Category 3 £23 Category 4c Waterbodies S ****** 5 I I MS4 Urbanized Areas (2000 Census) Municipal Boundaries ------- |