Water quality grades are in for Boston-area rivers: How did the

The annual water quality grades for the three rivers that flow into Boston Harbor -- the Charles, Mystic and Neponset rivers -- were released on Thursday, revealing a mix of progress and sliding scores across the region.

How clean are the Charles, Neponset, and Mystic Rivers?

Mystic River - Wikipedia

The grades are in–see how water quality fared in your favorite section of the Charles River! — Charles River Watershed Association

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MWRA's Boston Harbor Page

Maps Boston — Mystic River Watershed Association

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Boston – Page 27 – Boston Herald

River Network's State Policy Hub – River Network

Water quality grades are in for Boston-area rivers: How did the Charles, Mystic and Neponset score?

Boston River Report Cards Reveal Grades Ranging from A to F — Mystic River Watershed Association

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Water quality assessment and pollution source apportionment in a highly regulated river of Northeast China

EPA report card gives mixed grades for Charles, Mystic and Neponset watersheds