Restoration

to Resilience

CONNECTING people with nature

PROTECTING rivers and streams

PRESERVING greenways and forests

RESTORING native habitats

STRENGTHENING climate resilience

The Nashua River Watershed Association protects the rivers and streams that are the lifeline of our communities, connecting rural and urban, aquatic and terrestrial, wildlife and human.

Employment Opportunities!

NRWA Seeking Two Positions:

Community Engagement Manager: Learn more here

Outdoor Programs Manager: Learn more here

What We Do

Water Protection

Taking Science-based Action

Land Protection

Safeguarding Water and Habitat

Climate Resilience

Implementing Nature-based Solutions

Education

Connecting People with Nature

Upcoming Programs

2026 NRWA Annual Meeting

Thursday, Nov. 12, 7:00 pm at the Devens Common Center

Join us to celebrate the progress we’ve made together to protect the nature of our communities, and the positive impact for our individual and collective well-being.

Registration required.

NRWA Curiosity Club

September and October at a Public Library near you!

If you have ever looked at the natural world and wondered “Why?”, “What?” or “How?” then Curiosity Club is for you! Join Nashua River Watershed Association Education Staff for an hour of exploration with nature specimens, magnifiers, microscopes and plenty of time to investigate and find answers.

Fearless With Color: Selected Works in Watercolor

Experience the bold, expressive watercolor paintings of artist John Barnard in Fearless With Color, throughout September at the Prescott Community Center in Groton, with an opening reception on Friday, September 11, from 5:00–8:00 PM.

Upcoming Programs

“Who hears the rippling of rivers will not utterly despair of anything.”

— Henry David Thoreau

Our Impact

miles of outstandingly remarkable National Wild & Scenic Rivers

miles of riverside greenway protected

water quality samples collected by volunteer monitors

youth and adults engaged in River ClassroomⓇ

acres of forests protected thru Forest Legacy Program

acres designated as Areas of Critical Environmental Concern

Water Quality Monitoring Results

Water quality is fundamental to healthy river ecosystems. Click on the tools below to explore the factors that drive water quality and site-specific testing results for both current and previous years.