^ Black Pond MA81053_2006, Grove Pond Nashua Basin Metals Noxious aquatic plants Shaker Mill Pond MA81-05_2006, Nashua River Nashua Basin Cause Unknown Unknown toxicity Metals Nutrients Pathogens Taste, odor and color Turbidity Shirley MA84B-01_2006, Unnamed Tributary Merrimack Basin Nutrients Organic enrichment/Low DO Pathogens Suspended solids fojjmns Pond Littleton Littb Mirror Lake Mirror Lakt MA81085_2006, Mirror Lake Nashua Basin Metals Salt Rock Pom Bowers Harvard MA81-05_2006, Nashua River Nashua Basin Cause Unknown Unknown toxicity Metals Nutrients Pathogens Taste, odor and color Mwdy Pond Turbidity Cranberry Pond EJoxborough MA81007_2006, Bare Hill Pond Nashua Basin Metals Noxious aquatic plants - TMDL CN014.0 Id ridge Pond MA81-05_2006, Nashua River Nashua Basin Cause Unknown Unknown toxicity Metals Nutrients Pathogens Taste, odor and color Turbidity Delaney (Pond St/// River Pbw Shop Pon Ayer Lancaster Bolton Stow Impaired Waters and TMDL Status Harvard, MA Map produced by EPA Region IGIS Center Map Tracker ID 3244, May 30, 2008 Data Sources: TeleAtlas, Census Bureau, USGS, MADEP N A vyEPA I Mi les United States Environmental Protection Agency New England Impaired. Water body Label State ID. Waterbody Name Basin Name Category 4a POC (Pollutants of Concern) Category 5 POC (Pollutants of Concern) Impaired Water Segment cza Category Z Category 4a Category 3 £23 Category 4c Waterbodies S 5 I I MS4 Urbanized Areas (2000 Census) Municipal Boundaries ------- |