24th Annual River Cleanup on Saturday, September 11th

Join us on Saturday, September 11 from 9 a.m. to noon. A morning of satisfying work will be followed by a pizza celebration along the river.

Cleanup sites will be on the Assabet River (including tributaries and ponds) in Westborough, Northborough, Marlborough, Hudson, Stow, Maynard, Acton, and Concord and on the Concord River in Billerica.

Contact the OAR office or call 978-369-3956 for information and to sign up.

To learn more about our cleanups, click here.