It's our river - let's take care of it. Please donate.

Mystic River Watershed Association is a 501(c)(3) nonprofit organization and all contributions are tax-deductible. Donate online:

If you would prefer to send a check, please make it payable to the Mystic River Watershed Association and mail to: 20 Academy ST, Suite 306, Arlington, MA 02476

Remember to check with your employer about matching gift programs as a way to double or even triple your impact. You can also: