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

The film festival audience seated for the show.

17 Years of Wild & Scenic Film Festival Raises $250K for Environmental Groups

Trail Creek Outfitters hosted its 17th Wild & Scenic Film Festival, this year supporting the Stroud Center and Brandywine Red Clay Alliance.

Publication title with image of a mayfly

Riparian groundwater nitrogen (N) isotopes reveal human imprints of dams and road salt salinization

Inamdar, S., M. Peipoch, M. Sena, B, Joshi, M.M. Rahman, J. Kan, E.K. Peck, A. Gold, T.L.E. Trammell, and P.M. Groffman. 2024. Geophysical Research Letters 51(5): e2023GL106888.

Agricultural practices influence soil microbiome assembly and interactions at different depths identified by machine learning

Mo, Y., R. Bier, X. Li, M. Daniels, A. Smith, and J. Kan2024. Microbiome, early online access.

Delaware River Watershed Initiative Pollution Assessment: Stage 2 Project Report

Aufdenkampe, A.K., D.B. Arscott, B. Evans, L. Perez. 2024. Stroud Water Research Center Report #2024-001.

A man walks through a Costa Rican landscape of grass and shrubs with a brilliant rainbow above.

Tropical Freshwater Research Unlocks One of Nature’s Secrets

Scientist Lou Kaplan, Ph.D., describes how tropical research like his deepens our understanding of stream ecosystems both locally and abroad.

Stroud Center and Silk Grass Farms staff pose on a bridge over a stream in Belize.

Informing Sustainable Agriculture in Belize

With the Stroud Center's help, Silk Grass Farms is protecting water resources as they deploy new farming techniques to benefit local communities.

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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.