Boston Harbor
Map of Boston Harbor
Changes in sources of harbor contamination
Harbor contamination sources after closing of Harbor outfalls
Model of tidal mixing in Boston Harbor

Bacteria
1939 Report on coliform bacteria
Enterococcus bacteria in Boston Harbor
Annual pattern of high bacteria counts at Harbor beaches
Trends in bacteria at previous harbor outfall sites

Other Water Quality Measures
Patterns of water clarity in Boston Harbor, contour maps
Water clarity at previous harbor outfall sites
Harbor-wide changes in ammonium
Ammonium levels at the previous harbor outfall sites
Summer chlorophyll in Boston Harbor, contour maps
Pattern of dissolved oxygen in Boston Harbor
Average dissolved oxygen in the Inner Harbor

Sediment
Boston Harbor sediment types, contour map
Sediment oxygen demand in Boston Harbor
Sediment profile imaging sites and sampling locations
Boston Harbor sediment profile images, contour maps
Oxygen penetration into harbor sediments, contour maps

Metals
Lead decrease in Boston Harbor sediments

Fish and Shellfish
Prevalence of Ampelisca in Boston Harbor
Abundance and Diversity of Benthic Animals in the Harbor
Boston Harbor fish and shellfish monitoring locations
Liver disease in winter flounder
PCBs in lobster hepatopancreas (tomalley)

Treatment Plant Discharges
Biochemical Oxygen Demand in discharges
Solids discharges
Metals discharges
Mercury discharges
Nitrogen discharges
Primary and secondary treated flows
Modeled dilution patterns of treatment plant discharges
   into the Harbor

Boston Harbor's Tributary Rivers
Spatial pattern of river bacteria
Patterns of river bacteria compared to phases of CSO control
Comparison of water clarity in the rivers and the harbor
Spatial trend in Charles River Water Clarity
Comparison of chlorophyll in the rivers and the Harbor

Massachusetts Bay
Sampling sites throughout Massachusetts Bay
Model predictions of effluent dilution compared to
   monitoring results
Satellite imagery of chlorophyll
Seasonal chlorophyll levels at the Bay outfall site