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

A native brook trout in the Schuylkill Highlands.

Preparing for Trout Season

As long as streams will sustain them, Pete Goodman intends to enjoy catching trout in the spring. Here are a few of his tips so you can too.

Stroud Center Executive Director David B. Arscott along with Director of Watershed Restoration Matthew Ehrhart and Senior Research Scientist Jackson, Ph.D., accept the Watershed Champion award.

Stroud Center Named Watershed Champion by Philly–Area Collaborative

A collaborative led by the Pennsylvania Environmental Council honors Stroud Center for its role in protecting and restoring the Delaware River Watershed.

STREAM Girl with her catch -- a bluegill.

Learn to Fish Like a Scientist

The Stroud Center's affordable programs introduce youth and adults to freshwater science and stewardship while learning to fish.

Publication title with image of a mayfly

Concentration-discharge relationships of chlorophyll describe the origin and fluxes of river algae across ecoregions

Peipoch, M., M. Daniels, and S. Ensign. 2025. Freshwater Science, early online access.

A group of students smile while holding Shared Waters curriculum materials.

Free Watershed Curriculum That Inspires Environmental Action

Help your students understand watershed concepts and make a positive impact on their local environment with the standards-aligned Shared Waters curriculum.

Quantification of PFAS in soils treated with biosolids in ten northeastern US farms

Oviedo-Vargas, D., J. Anton, S. Coleman-Kammula, and X. Qin. 2025. Scientific Reports 15: Article 5582.

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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.