Become a member or renew your membership.  Membership is our most basic and important support vehicle, and starts at just $35 per year.  As a member, you have access to insider information on the health of the Mystic River Watershed, and you will have opportunities to help restore and celebrate your river.  Joining the Mystic River Watershed Association as a member is quick and convenient.

  • To join by mail, please send a check payable to “MyRWA”, and mail to 20 Academy Street, Suite 306, Arlington, MA 02476; Attention: Membership. Please make sure to provide us with your name and mailing address.
  • Joining online is safe and secure through Network for Good™ or PayPal. (These links will open in a new window.) Your contribution will be directly deposited to MyRWA.



$35 River Sponsor
$500 River Steward
$60 River Friend $1000 Watershed Guardian
$100 River Advocate  $3000 Watershed Benefactor
$250 River Patron

MyRWA membership now renews annually.
You will receive a membership renewal letter in the fall, and that donation will count for the following year's membership.

Gift memberships are available! Recipients will receive a customized membership certificate. Give a lasting and meaningful gift today! Email for details.



  • Receive special invitations to guest speakers, forums, parties, and other relevant events.
  • Voting privledges for the board of directors at MyRWA’s Annual Meeting.
  • Receive MyRWA's handsome newsletter, the Mystic Messenger, twice a year to stay up-to-date on watershed news.
  • Your donation goes directly to helping protect and restore the Mystic River Watershed! (MyRWA is a 501(c)3 organization; all donations are tax-deductible to the full extent allowable by law.)



Donate to MyRWA in support of our common commitment to improving water quality, reducing flooding, increasing recreational opportunities, and protecting wildlife and their habitat in the Mystic River Watershed.  Your donation of any size is appreciated. Save paper and donate online now through Network for Good or PayPal and help protect our waters today!




In Kind Donations
MyRWA has a Wish List of items we need, including canoes, paddles, printing services, language translation services, binoculars, laptop computers, IT services, cameras and more.

Other Ways to Give
If you are interested in offering a matching gift, estate planning or memorial gifts, please contact MyRWA's Executive Director, EkOngKar Singh Khalsa at (781)-316-3438.

Search, Shop and Donate
Please consider beginning your online shopping at  Select Mystic River Watershed Association to support and then click to your favorite store.  A percentage of virtually every purchase at more than 2,500 stores (including Amazon, LLBean, Target and much, much more!) will help the Mystic River. You’ll find thousands of money-saving coupons too.

Special Gifts and Grants
Special gifts are a huge help, whether for advocacy, water chestnut removal efforts, environmental education, organization capacity building, river restoration, science and monitoring, or summer interns.

Corporate Donations and Sponsorships
Corporate giving, including volunteers days, significantly boost MyRWA’s efforts. For more information please contact MyRWA's Executive Director, EkOngKar Singh Khalsa at (781)-316-3438.

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