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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Road Salt is Polluting Fresh Water

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

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Latest News

Volunteers plant New Bolton Center fodder shrubs.

New Bolton Center and Stroud Center Partner on Clean Water Projects

The Penn Vet campus is a 700-acre living laboratory at the headwaters of White Clay Creek, protecting soil health, biodiversity, and water quality.

Bringing Eastern Brook Trout Back to Red Clay Creek

In Pennsylvania, property owners and farmers are transforming their lands to restore a stream’s health and its native fish.

New Additions Strengthen Watershed Restoration Efforts

We’re pleased to welcome two long-time interns as our newest team members supporting our watershed restoration work: Abby Horst and Charlotte Horn.

A group of students smile as they build leaf packs for an experiment.

LaMotte Company Honored for Advancing Environmental Education

The Stroud Center is grateful for LaMotte’s partnership and their shared dedication to connecting people with freshwater science.

A split image, above and below the water of a forested stream in the Schuylkill Highlands, Pennsylvania.

Protecting Our Waters Starts With This Definition

A new proposed rule would narrow the Waters of the United States definition, potentially removing protections from many streams and wetlands.

Publication title with image of a mayfly

Fish assemblage integrity and watershed urbanization across national parks of the National Capital Region, USA

Peipoch, M., D. Myers, M. Daniels, D. Oviedo-Vargas, and J.P. Schmit. 2026. River Research and Applications, early online access.

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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.