Stroud Water Research Center produces the trusted science needed for successful stream and river conservation while fostering people’s passion for the water in their lives.

What We Do

Freshwater Research

Environmental Education

Watershed Restoration

From Freshwater Science to Real-World Solutions

The Stroud Center integrates scientific discovery, watershed restoration, and long-term monitoring to generate practical solutions for freshwater protection.

Research, watershed restoration, and monitoring feedback loop.

See Our Impact

Expanding Access to Water Quality Monitoring

Globally, more than 3 billion people lack water quality data. Expanding access to monitoring tools helps communities protect their water and safeguard public health.

Bhutanese women identify aquatic macroinvertebrates.

Explore Our Tools

Latest Freshwater News

Euthyplocia mayfly from a Costa Rican stream.

The Most Important Animals May Be the Ones You Never Notice

Researchers are following the path of nitrogen in a tropical stream to uncover relationships that support the entire ecosystem.

The 2026 Stroud Award for Freshwater Excellence

The 2026 Stroud Award for Freshwater Excellence will be presented to Amy Bowers Cordalis, advocate for the Klamath River and Indigenous people.

Golfers with water donated by Open Water.

Golf Tournament Raises Funds for Freshwater Conservation

Golfers gathered to support freshwater science, education, and restoration at the Stroud Center’s annual golf fundraiser.

Teachers perform a stream study as part of a workshop.

When White Clay Creek Watershed Becomes a Classroom

From rubber duck races to Junior Ranger badges, the White Clay Creek watershed becomes an outdoor classroom for students, teachers, and families.

Philadelphia Catholic Schools Connect Watershed Science to Their Communities

With funding from the Connelly Foundation, students have participated in hands-on studies of freshwater ecology, watershed science, and stream restoration.

Publication title with image of a mayfly

Soil iron oxides as geochemical filters in floodplain restorations: Key drivers, dynamics, and links to nutrients and metals

Inamdar, S., J.G. Galella, E.R. Moore, M.M. Rahman, M. Sena, B. Joshi, M. Peipoch, and J. Kan. 2026. Journal of Environmental Management 408: 129967.

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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.