• About Us
    • Our Story
    • Our Team
    • Strategic Plan
    • Careers
    • Partnerships
    • Our Financials
  • Our Work
    • River Science
    • Ecological Restoration & Climate Resiliency
    • Advocacy
    • Education
    • Rivers Report Card
    • Resource Library
  • Our Rivers
    • Our Watershed
    • Threats
    • River Facts
    • Wild & Scenic
  • Get Involved
    • Ways To Give
    • Donate
    • Become a Member
    • Volunteer Opportunities
    • Volunteer Portal
    • Action Alerts
    • Shop
  • News & Events
    • In the News
    • Press
    • Events Calendar
    • River Log
    • Photography
    • Social
  • Recreation
    • River Maps
    • Now That’s Paddling
    • The 86 Miles Club Challenge
    • River RATs
  • About Us
    • Our Story
    • Our Team
    • Strategic Plan
    • Careers
    • Partnerships
    • Our Financials

    ~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

  • News & Events
    • 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
    • River Maps
    • Now That’s Paddling
    • The 86 Miles Club Challenge
    • River RATs

    >40%

    of the land within the Sudbury, Assabet, and Concord rivers watershed is publicly accessible, providing endless opportunities for paddling, hiking, and wildlife exploration.

Green Acton Chloride Study

March 7, 2025

...

read more

23 Bradford Street,

Concord, MA 01742

(978) 369-3956

office@oars3rivers.org

  • Donate
  • Volunteer
  • Shop
  • Contact Us
  • Rivers Report Card
  • Directions
  • Search
JOIN or RENEW SIGN UP FOR NEWSLETTER REQUEST A RIVER MAP
Designed and Powered by
PEAPODDESIGN ⓒ 2025