Welcome to Mainstem Network

Providing a place for all community monitoring participants to communicate, collaborate, and learn from each other.

Founding Partners

Stories & Updates

Water Reporter in Action: Multi-Stakeholder Invasive Species Removal in New England

Robbie O’Donnell Joins The Commons as Water Data Collaborative Coordinator

Aug 31

Making the News: IWLA’s Winter Salt Watch Program

Our Land and Water App is Making Headlines

Making a Difference in Maine

Water Data Collaborative, a New Program at The Commons
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