Since 1967, Stroud™ Water Research Center has focused on one thing — fresh water.
We seek to 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

Publication title with image of a mayfly

Size variation and the distribution of hemimetabolous aquatic insects: two thermal equilibrium hypotheses

Sweeney, B.W., and R.L. Vannote. 1978. Science 200(4340):444–446.

Egg development, growth and metabolism of Sigara alternata (Say) (Hemiptera: Corixidae) in fluctuating thermal environments

Sweeney, B.W., and J.A. Schnack. 1977. Ecology 58(2):265–277.

A diurnally fluctuating thermal system for studying the effect of temperature on aquatic organisms

Sweeney, B.W. 1976. Limnology and Oceanography 21(5):758.

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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.