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.

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

Live Water Quality Data for the Lower Charles River

Boston River Report Cards Show Widespread Improvements in Bacteria Concentrations and Remaining Localized Challenges

Charles River Water Quality Earns a “B” Grade in 2016 - Boston Real Estate Times

Surface Water Quality Monitoring

Determining the microbial and chemical contamination in Ecuador's main rivers

For the Love of Charles

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

Long-polluted parts of Boston's major rivers continue to fail EPA's water quality 'report card' - The Boston Globe

Boston-area water quality report cards show widespread improvement, but still range from A to F - The Boston Globe

History of the Charles River - History of Massachusetts Blog

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

I Paddle Boston's Mystic River as Sackett v. EPA Threatens to Roll Back Critical Protections - YES! Magazine Solutions Journalism

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

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