OARS—Watershed Organization for the Sudbury, Assabet, and Concord rivers

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OARS—Watershed Organization for the Sudbury, Assabet, and Concord rivers Join us! With your support, we can continue to protect & preserve our rivers, tributaries, & water

OARS is the watershed organization for the Sudbury, Assabet, and Concord Rivers. The watershed lies about 20 miles west of Boston, stretches from Lowell to Hopkinton, Berlin to Wayland and includes 29 miles with the Federal designation of "Wild & Scenic Rivers." OARS uses research, advocacy, and education to ensure that these beautiful rivers will continue to provide clean and abundant water, exceptional recreational opportunities, and rich wildlife habitat for the benefit of all our communities—all within a short drive of Boston, Lowell, and Worcester.

Pictured here is O.A.R.'s first newsletter. Its first annual report, published in 1987, noted an organizational balance ...
10/30/2026

Pictured here is O.A.R.'s first newsletter. Its first annual report, published in 1987, noted an organizational balance of just $1,700.

For forty years, through modest budgets and sound financial management, OARS' board, staff, and legion of loyal volunteers have worked to preserve, improve, and protect our watershed.

Climate change, cuts in government spending, policy and advocacy, lab and equipment costs, ecological restoration efforts, educational programs, community events, and just the business of operating as a geographically and demographically diverse nonprofit, compel us to make a passionate ask this year. By the end of December, we need to meet our fundraising goal of $100,000. We’re well on our way, but we need each and every one of you to form the large current to push us to the end.

Over the next eight weeks, we’ll be sending out a weekly update spotlighting the different programs and science-based work we do. We want you to know where your money is going, and the profound impact you have when you donate to OARS.

If you’ve given already this year—thank you! We’re grateful for your generosity. If you’ve not given, or have the capacity to give more, we would be grateful for your gift of any amount. Tune in each Friday here and by email to see all your financial support makes possible!

Join us for the third community meeting of the SuAsCo Climate Collaborative on November 4 from 6:30pm to 8:00pm at Boxbo...
10/17/2026

Join us for the third community meeting of the SuAsCo Climate Collaborative on November 4 from 6:30pm to 8:00pm at Boxborough Town Hall!

We’ll share what we accomplished in Year 1 and provide updates on the climate vulnerability assessment now underway. We’ll also introduce our crowdsourcing map and show you how to contribute local knowledge to help inform the assessment. Come hear what’s happening, share your ideas, and help shape the work ahead.

RSVP by visiting https://mapc.ma/SuAsCo3

The OARS 2026 Bacteria Monitoring Summary is now available on our website. This year, OARS tested 126 water samples for ...
10/14/2026

The OARS 2026 Bacteria Monitoring Summary is now available on our website.

This year, OARS tested 126 water samples for E. coli across 14 sites along the Assabet, Sudbury, and Concord Rivers, as well as River Meadow Brook in Lowell, a tributary to the Concord River. Volunteers collected samples at 14 sites on nine collection days from mid-May through mid-September on a biweekly schedule.

Visit our website at oars3rivers.org/publications/2026-bacteria-monitoring-summary/ or click the link in our bio to view the full report.

Stop by J. McLaughlin in Concord THIS THURSDAY, October 15th, to support OARS! Ten percent of sales on Thursday afternoo...
10/13/2026

Stop by J. McLaughlin in Concord THIS THURSDAY, October 15th, to support OARS! Ten percent of sales on Thursday afternoon will benefit our vital work to protect, improve, and preserve the Sudbury, Assabet, & Concord rivers. We can't wait to see you there!

WHEN: Thursday, October 15, 11am-3pm
WHERE: J. McLaughlin, 14 Walden St, Concord, MA

Since our founding in 1986, we have hosted River Cleanups across the watershed, removing some fascinating finds from our...
08/27/2026

Since our founding in 1986, we have hosted River Cleanups across the watershed, removing some fascinating finds from our waterways. Past volunteers remember pulling hundreds of tires from the Assabet River one year, collecting vintage glass bottles, finding a lost flip phone, and hauling chairs and furniture in canoes.

What will you discover in our rivers? Join us on September 26 for our Annual SuAsCo Rivers Cleanup to find out! Volunteer registration is open on our website at oars3rivers.org and at the link in our bio.

OARS’ 2nd Annual Concord River Race was a success! Thank you to all our participants, staff, and volunteers for coming o...
05/13/2026

OARS’ 2nd Annual Concord River Race was a success!

Thank you to all our participants, staff, and volunteers for coming out in the rain and making this event possible.

The utmost thanks to our 2026 race sponsors for their gracious support: , Warren Insurance Agency, & !

Also thanks to & for their delicious food donations! 🍕🧁

And a special thanks to & for their support of this event.

See you all next year! Same time, same place 👀🛶

Join us and The Concord Film Project TOMORROW night at the Umbrella Arts Center () for a special screening of the film R...
04/27/2026

Join us and The Concord Film Project TOMORROW night at the Umbrella Arts Center () for a special screening of the film RIVER.

Directed by Jennifer Peedom & Joseph Nizeti, and narrated by Willem Dafoe with music by the Australian Chamber Orchestra and Radiohead, the film is a cinematic musical odyssey and a stunning exploration of the timeless relationship between human civilization and Earth's rivers.

And...be the first to hear a special announcement of a new OARS event coming this June!

Get your tickets to see the film at the link in our bio and read more about the work of The Concord Film Project.

Join OARS and The Robbins House for a night under the stars this Thursday, April 23🎬 Starting at 6:30pm, we will be scre...
04/22/2026

Join OARS and The Robbins House for a night under the stars this Thursday, April 23🎬

Starting at 6:30pm, we will be screening three masterful works for a movie night focused on Black activists, environmentalists, and farmers. This event is free and open to all. We’ll see you there!

What you’ll see:
A Mystical Ornithology (directed by Jeremy Seifert and Benjamin James Roberts) is a short film about poet and ornithologist J. Drew Lanham, bird song, nature’s transcendence, and seasonal change.

Paul Cuffe Is Me (lyrics by Daniel Laurent, music by Roy Studmire, and dancers from Brickhouse NYC) is a music video introducing The Cuffe Project, a narrative film about late 18th century Black and Wampanoag entrepreneur and abolitionist Paul Cuffe, whose values of community and common good remain pressing today.

SEEDS (directed by Brittany Shyne) is a Sundance Film Festival Grand Jury Award-winning feature film about centennial farmers in the American South, the decline of generational Black farmers, and the significance of owning land.

This Thursday, April 23, join OARS, , and  for a reading of The Noisy Puddle at Haute Coffee from 3-4pm! Learn all about...
04/19/2026

This Thursday, April 23, join OARS, , and for a reading of The Noisy Puddle at Haute Coffee from 3-4pm! Learn all about vernal pool species, then put your skills to the test as you look for images of these species around Concord in Vernal Pool Bingo!

Turn in your completed bingo cards to be entered to win special prizes!🦎🐸

This Earth Day, on April 22, join Julia Blatt, former executive director of O.A.R. and Massachusetts Rivers Alliance and...
04/17/2026

This Earth Day, on April 22, join Julia Blatt, former executive director of O.A.R. and Massachusetts Rivers Alliance and initiator of the Wild & Scenic status process in our watershed, and Barbara Moran, WBUR climate and environmental reporter and award-winning science writer, for an engaging conversation on what the Wild & Scenic designation means and how part of the SuAsCo earned this status.

This event kicks off our Wild & Scenic Film Festival and will take place at Concord Academy’s Centennial Arts Center. Please register to attend in advance, seats are limited! We’ll see you on April 22 at 5:30pm!

Address

23 Bradford Street
Concord, MA
01742

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

(978) 369-3956

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