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Boston Harbor and Massachusetts Bay
MWRA Environmental Quality Department

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Monitoring Eutrophication in Boston Harbor

In marine environments, an overabundance of organic material and nutrients can lead to a condition called eutrophication, or over-enrichment of the system. Now that effluent discharges have moved from the harbor to the bay, most remaining pollution entering the harbor comes from its tributary rivers and runoff.

Reversing eutrophication

Since the Boston Harbor Project, the Harbor-wide average concentrations of most of the wastewater nutrients have been significantly lower than before the wastewater discharge was moved out of Boston Harbor. More information in this technical report on Boston Harbor Water Quality.

Printable Version Here

Read more about Boston Harbor