-
Sunday, June 28, 2026, 10:00 AM – 12:00 PM
- Thorndike Field
- 99 Margaret Street
- Arlington, MA, 02474
- United States
Visit the Alewife Stormwater Wetland to learn about sewage pollution, how it affects people and wildlife, and how advocacy and nature-based-solutions can help! Photo: Stantec
-
Saturday, June 27, 2026, 11:00 AM – 1:00 PM
- Blessing of the Bay Boathouse
- 32 Shore Drive
- Somerville, MA, 02145
- United States
Fabulously decorated human-powered boats of all types—canoes, kayaks, paddleboards, rowing shells, dragon boats, kinetic sculptures, and more—will paddle around the Mystic River basin in Somerville & Medford MA, to celebrate LGBTQIA+ people and their allies.
-
Saturday, June 27, 2026, 9:00 AM – 4:00 PM
- Horn Pond
- 90 Sturgis Street
- Woburn, MA, 01801
- United States
Come canoe for a cause and help us remove invasive water chestnut from Horn Pond!
-
Thursday, June 25, 2026, 12:00 PM – 1:00 PM
Webinar with Charles River Watershed Association summarizing the draft CSO Long Term Control Plan and describing ways we believe it can be much stronger at reducing sewage discharges, at minimal cost to ratepayers.
-
Thursday, June 25, 2026, 9:00 AM – 12:00 PM
- Bellevue Pond parking lot
- 70 South Border Road
- Medford, MA, 02155
- United States
Join MyRWA & Friends of the Fells for a walk to learn how water quality, drought and pollution impacts the landscape at Bellevue Pond!
-
Sunday, June 21, 2026, 9:00 AM – 12:00 PM
- 257 Marginal Street
- Chelsea, MA, 02150
- United States
Join MyRWA and the City of Chelsea to help keep Chelsea clean! We will be hosting 4 different trash clean ups to help beautify the city this spring.
-
Saturday, June 20, 2026, 2:00 PM – 5:00 PM
- The Park at River's Edge
- 200 Rivers Edge Drive
- Medford, MA, 02155
- United States
Come find MyRWA’s table at Exploring the Malden River hosted by Chinese Cultural Connection!
-
Saturday, June 20, 2026, 12:00 PM – 3:00 PM
- Bosson Park
- 50 Bellingham Street
- Chelsea, MA, 02150
- United States
Únete a las líderes climáticas de Chelsea para un día de juegos para toda la familia. Disfruta de comida, juegos y premios
-
Saturday, June 20, 2026, 11:30 AM – 1:30 PM
- Arlington Reservoir
- 210 Lowell Street
- Arlington, MA, 02474
- United States
Come canoe for a cause and help us remove invasive water chestnut from the Arlington Reservoir!
-
Saturday, June 20, 2026, 10:30 AM – 3:00 PM
- Birch Meadow Fields
- 62 Oakland Road
- Reading, MA, 01867
- United States
The Reading Lions Club invites you to join in on our 21st Reading Friends and Family Day! Reading Friends and Family Day, also known as Town Day, is a celebration of Reading and brings the community together for a day full of fun events enjoyed by all ages.
-
Saturday, June 20, 2026, 10:00 AM – 1:30 PM
- Medford Condon Shell
- 2501 Mystic Valley Parkway
- Medford, MA, 02155
- United States
Join Latino Outdoors on the Mystic River with the Mystic River Watershed Association (MyRWA) and Paddle Boston. We offer lunch, kayaks and paddles, and lots of fun!
-
Friday, June 19, 2026, 11:00 AM – 3:00 PM
- Salemwood School Fieldhouse
- 529 Salem Street
- Malden, MA, 02148
- United States
Come find MyRWA at Juneteenth in Malden on Thursday, June 19th from 11:00am-3:00pm at the Salemwood School Fieldhouse.
-
Friday, June 19, 2026, 10:00 AM – 12:00 PM
- Blessing of the Bay Park
- 32 Shore Drive
- Somerville, MA, 02145
- United States
Visit Blessing of the Bay Park in Somerville to learn about sewage pollution, how it affects people and wildlife, and how advocacy and nature-based-solutions can help!
-
Thursday, June 18, 2026, 12:00 PM – 1:00 PM
Missed the Wayfinding Community Workshop to review draft sign graphics and placement locations? Join us for a virtual office hours session.
-
Sunday, June 14, 2026, 3:00 PM – 6:00 PM
- Shannon Beach Playground
- 481 Mystic Valley Parkway
- Winchester, MA, 01809
Join Coloring Club for a fun, free summer afternoon of coloring and connecting at Mystic Lake!
-
Sunday, June 14, 2026, 9:00 AM – 11:00 AM
- Shannon Beach
- Mystic Lakes State Park
- Winchester, MA 01890
Join the Mystic Merfolk for a FREE bilingual English/Spanish water safety course at Shannon Beach!
-
Saturday, June 13, 2026, 11:00 AM – 3:00 PM
- Fresh Pond
- 250 Fresh Pond Parkway
- Cambridge, MA, 02138
- United States
Come find MyRWA’s table at Fresh Pond Day — the Cambridge Water Department's 16th Annual Festival-style Celebration of Water, Community, and Sustainability
-
Saturday, June 13, 2026, 9:00 AM – 11:00 AM
- Spy Pond Park
- 40 Pond Lane
- Arlington, MA, 02474
- United States
Check out this volunteer opportunity with Friends of Spy Pond Park in Arlington, MA!
-
Tuesday, June 9, 2026, 6:30 PM – 7:30 PM
Webinar with Charles River Watershed Association summarizing the draft CSO Long Term Control Plan and describing ways we believe it can be much stronger at reducing sewage discharges, at minimal cost to ratepayers.
-
Sunday, June 7, 2026, 10:00 AM – 12:00 PM
- Mystic Open Studio
- 785 Mass Avenue
- Arlington, MA, 02476
Teens and adults are invited to paint fish for a public mural project!
-
Saturday, June 6, 2026, 10:00 AM – 12:00 PM
- Blessing of the Bay Park
- 32 Shore Drive
- Somerville, MA, 02145
- United States
Hosted by The Somerville Museum, this event brings together song, dance, storytelling, and family activities to honor the layered histories connected to Ten Hills and the Blessing of the Bay.
-
Saturday, June 6, 2026, 10:00 AM – 12:00 PM
- 444 Revere Street
- Winthrop, MA, 02152
- United States
Join us to help remove invasive plants from Belle Isle Marsh, Boston's largest remaining salt marsh!
-
Saturday, June 6, 2026, 9:00 AM – 4:00 PM
- Winchester Center
- Winchester MA
Come find MyRWA’s table at Winchester Town Day!
-
Saturday, June 6, 2026, 9:00 AM – 12:00 PM
- Voke Park
- 540 Washington Avenue
- Chelsea, MA, 02150
- United States
Join MyRWA and the City of Chelsea to help keep Chelsea clean! We will be hosting 4 different trash clean ups to help beautify the city this spring.
-
Thursday, June 4, 2026, 5:30 PM – 7:00 PM
- Mystic River Watershed Association
- 23 Maple Street
- Arlington, MA, 02476
Join us at our office to give feedback on signage improvements in the Mystic River and Alewife Brook Reservations!
-
Monday, June 1, 2026, 6:00 PM – 8:00 PM
- 26 Court Street
- Boston, MA, 02108
- United States
Join us to hear findings from the Boston Community-Based Flood Resilience project, receive free resources, and food!
