Maps

New map of groundwater monitoring well locations (starts at Wells - Introduction)

Works Progress Administration map of groundwater monitoring well locations (historical):
      1.2 MB PDF map       456 K PDF map       Data

1988 Stone & Webster map: 996 KB PDF

Boston Public library site historical readings:
      104 K PDF       Data

Central Artery/Tunnel map of groundwater monitoring well locations:
      240 K PDF      Spreadsheets

Map of groundwater monitoring zones: 1.2 MB PDF

Map of East Boston groundwater monitoring zones: 420 K PDF