Map of Boston Harbor
Primary and secondary treated flows, 1990-2000
Solids discharges, 1988-2000
Metals discharges, 1989-2000
Changes in sources of harbor contamination
Model of tidal mixing in Boston Harbor
Modeled dilution patterns of treatment plant discharges into the Harbor
1939 Report on coliform bacteria
Enterococcus bacteria in Boston Harbor
Annual pattern of high bacteria counts at Harbor beaches, 1987-2001
Patterns of water clarity in Boston Harbor, contour maps, 1993-2000
Ammonium levels at the previous harbor outfall sites, 1997-2000
Summer chlorophyll in Boston Harbor, contour maps, 1995-2000
Pattern of dissolved oxygen in Boston Harbor
Average dissolved oxygen in the Inner Harbor
Boston Harbor sediment types, contour map
USGS metals sampling locations in Boston Harbor
Lead decrease in Boston Harbor sediments
Sediment oxygen demand in Boston Harbor, 1992-2000
Sediment profile imaging sites and sampling locations
Boston Harbor sediment profile images, contour maps, 1989-2000
Oxygen penetration into harbor sediments, contour maps, 1989-2000
Prevalence of Ampelisca in Boston Harbor, 1989-2001
Abundance and Diversity of Benthic Animals in the Harbor, 1990-1999
Boston Harbor fish and shellfish monitoring locations
Liver disease in winter flounder, 1984-2001
PCBs in lobster hepatopancreas (tomalley), 1992-2000
Spatial pattern of river bacteria in 2000
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
Harbor contamination sources after closing of Harbor outfalls
Trends in bacteria at previous harbor outfall sites
Water clarity at previous harbor outfall sites
Harbor-wide changes in ammonium
Sampling sites throughout Massachusetts Bay
Model predictions of effluent dilution compared to monitoring results
Satellite imagery of chlorophyll, 1997-2000
Seasonal chlorophyll levels at the Bay outfall site, 1992-2001