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About Us
Our Story
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~30%
of the SuAsCo rivers watershed is wetlands, crucial for wildlife habitat and water quality
Our Work
River Science
Ecological Restoration & Climate Resiliency
Advocacy
Education
Rivers Report Card
Resource Library
~30%
of water samples in the SuAsCo rivers watershed contain PFAS, leading to increased monitoring and remediation by local authorities and environmental groups
Our Rivers
Our Watershed
Threats
River Facts
Wild & Scenic
~70%
of dams in the SuAsCo watershed are over a century old, requiring extensive upkeep and presenting obstacles to river restoration and fish passage
Get Involved
Ways To Give
Donate
Become a Member
Volunteer Opportunities
Volunteer Portal
Action Alerts
Shop
>40%
of the land within the watershed is publicly accessible, offering recreational opportunities such as hiking, boating, and birdwatching to the community
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In the News
Press
Events Calendar
River Log
Photography
Social
~15%
of the land in the SuAsCo rivers watershed is covered by impervious surfaces such as roads, rooftops, and parking lots. This contributes to stormwater runoff and water pollution issues
Recreation
Now That’s Paddling
River Maps
>40%
of the land within the Sudbury, Assabet, and Concord rivers watershed is publicly accessible, providing endless opportunities for paddling, hiking, and wildlife exploration.
2025 Concord River Race Sponsorship Opportunities
Join us in making a tangible difference in the SuAsCo watershed while gaining visibility and goodwill within the community.
3 RIVERS CHAMPION: $5,000
Premier logo placement in social media outreach, event poster, large event-day sponsorship poster
Website recognition
6 race entries
Certificate of sponsorship
3 RIVERS GUARDIAN: $2,500
Prominent logo placement in social media outreach, event poster, large event-day sponsorship poster
Website recognition
6 race entries
Certificate of sponsorship
3 RIVERS PROTECTOR: $1,000
Logo featured in social media outreach, event poster, large event-day sponsorship poster
Website recognition
4 race entries
Certificate of sponsorship
3 RIVERS ADVOCATE: $500
Logo featured in social media outreach, event poster, large event-day sponsorship poster
Website recognition
2 race entries
Certificate of sponsorship
3 RIVERS SUPPORTER: $250
Logo placement in event materials
Website recognition
2 race entries
Certificate of sponsorship
For further information, please contact OARS: 978.369.3956 or office@oars3rivers.org
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3 Rivers Champion: $5,000
3 Rivers Guardian: $2,500
3 Rivers Protector: $1,000
3 Rivers Advocate: $500
3 Rivers Supporter: $250
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