Organizations supporting clean water, rivers, the Chesapeake Bay & Watershed

Howard County Conservancy
The Howard County Conservancy is a local nonprofit whose mission is to educate children and adults about the natural world, preserve the land and its legacy for future generations and model responsible stewardship of our environment. Conservancy experts support watershed education in Howard County public schools.
Patapsco Heritage Greenway
The Patapsco Heritage Greenway’s mission is to preserve, protect, interpret and restore the environment, history and culture of the Patapsco River Valley.
They have family-friendly educational programs, festivals, recreational adventures and cultural arts activities. They need volunteers for everything from leading nature hikes to removing invasives to doing stream cleanup.
Patuxent Riverkeeper
Our Mission: To conserve, protect and replenish Maryland’s longest and deepest intrastate waterway. Through strategic advocacy, restoration and education, our goal is long-term sustainability for the ecosystem of the entire Patuxent River basin and the people who rely on its future.
Volunteers are needed for everything from office work to research projects to water quality monitoring and stream cleanup.