Urban Waters - The Charles River

2023 Charles River Report Card
- View 2023 report card.
Using science, cutting-edge tech and enforcement, EPA and its partners have made real progress on the Charles River.

Learn more about the Charles River.

The Charles River runs for 80 miles from Hopkinton to Boston, Massachusetts. Since the early 1990's EPA and many public and private partners have worked to improve water quality in the Charles.

About the Charles

Community Boating Inc. launches sail boats in the lower Charles River.

The Charles River Watershed
Historical Timeline

Environmental Challenges

Bacterial Challenges
Nutrient Challenges
Residual Designation Authority

Clean Charles Initiative

Initiative
Sound Science on the Charles River
- Reports and Links
Report Card Data

Urban Waters - The Charles River

2023 Charles River Report Card

Using science, cutting-edge tech and enforcement, EPA and its partners have made real progress on the Charles River.

Charles River Water Quality

About the Charles

Environmental Challenges

Clean Charles Initiative