Gary Liversidge of Boston swims in the Charles River during Boston's "City Splash" event on July 18, 2017. (Elise Amendola/AP) As someone who has been helping monitor the Charles River’s water quality ...

The Charles River, despite past improvements, has stalled in its progress toward becoming consistently swimmable. Polluted stormwater runoff, carrying contaminants like oil and pet waste, is ...

Daniel Langenthal was looking forward to participating in City Splash on July 12, the event that marks the one day each year when members of the public are invited to swim in the Charles River along ...

For decades, Boston residents have been promised a transformed Charles River, one that sheds the history of toxic contamination and is so clean and clear that people can safely swim in it. There’s ...

After a storm in Boston, a decades-old sewage system discharges untreated wastewater into the Charles River, making it unsafe for swimmers and boaters for 48 hours. For the four days following the ...