Road Salt is Polluting Fresh Water

Salt keeps us safe on icy roads — but it’s also quietly harming waterways.

IT’S TIME TO

Since 1967, Stroud Water Research Center has focused on one thing — fresh water.
We advance knowledge and stewardship of freshwater systems through global research, education, and watershed restoration.

What We Do

Freshwater Research

Environmental Education

Watershed Restoration

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Latest News

Paul O'Callaghan accepts the 2025 Stroud Award for Freshwater Excellence from Executive Director David Arscott.

Weaving Imagination Into the Future of Water

Paul O’Callaghan, recipient of the 2025 Stroud Award for Freshwater Excellence, challenges us to “demand better” to secure water’s future.

A wooden sign marks the Miller Meadow Loop walking path through the riparian buffer.

A Family Forest: The Millers’ Riparian Legacy

After nearly 10 years, Bud and Marilyn Miller’s 11-acre buffer is firmly established and is finally becoming a forest of its own.

The Colonial-era log cabin at Stroud Water Research Center.

Historic Cabin Draws Visitors During Chester County Day

The Stroud Center shared the story of a 1710 log home that bridges early American craftsmanship and modern freshwater science.

Publication title with image of a mayfly

Hydroclimate and landscape diversity drive highly variable greenhouse gas emissions from tropical and subtropical inland waters

Duvert, C., Borges, A.V., Calamita, E., et al. 2025. Nature Water 3: 1303–1317.

2025 SAFE Award O'Callaghan and Board Members.

Paul O’Callaghan Receives 2025 Stroud Award for Freshwater Excellence

The water scientist and documentary filmmaker inspired gala attendees with his hopeful message about the future of fresh water.

Coach Dick Vermeil’s Legacy of Clean Water

The legendary football coach knows victories — but his greatest win for Chester County may be restoring streams and protecting fresh water on his farm.

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Featured Initiatives and Partnerships

WikiWatershed® web tools offer watershed data visualization, geospatial analysis capabilities, and science-based predictions of human impacts on stormwater runoff and water quality.

The Water Quality mobile app is a water-monitoring data-collection and learning tool designed for use by educators and their students, citizen scientists, and researchers.

EnviroDIY™ is a community where members ask and answer questions and network within interest groups to develop do-it-yourself environmental science and monitoring devices.

The Society for Freshwater Science Taxonomic Certification Program ensures skilled persons are providing aquatic invertebrate identifications in North America.

The Leaf Pack Network® is an international network of teachers, students, and citizen monitors using a simple experiment to determine the health of their local streams.

The Consortium for Scientific Assistance to Watersheds provides free technical assistance to Pennsylvania-based watershed and conservation organizations.