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.

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Environmental Education

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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

Publication title with image of a mayfly

Factors influencing life history patterns of aquatic insects

Sweeney, B.W. 1984. Pages 56–100 in V.H. Resh and D. Rosenberg (editors). Ecology of aquatic insects. Praeger Scientific Publishers, New York, New York.

In situ measures of dissolved organic carbon flux in a rural stream

Kuserk, F.T., L.A. Kaplan, and T.L. Bott. 1984. Canadian Journal of Fisheries and Aquatic Sciences 41:964–973.

Phosphorus dynamics in a woodland stream ecosystem: a study of nutrient spiralling

Newbold, J.D., J.W. Elwood, R.V. O’Neill, and A.L. Sheldon. 1983. Ecology 64:1249–1265.

Microbial heterotrophic utilization of dissolved organic matter in a piedmont stream

Kaplan, L.A., and T.L. Bott. 1983. Freshwater Biology 13:363–377.

Resource spiralling: an operational paradigm for analyzing lotic ecosystems

Elwood, J.W., J.D. Newbold, R.V. O’Neill, and W. Van Winkle. 1983. Pages 3–27 in T.D. Fontaine III, and S.M. Bartell (editors). Dynamics of lotic ecosystems. Ann Arbor Science, Ann Arbor,

The effect of grazing intensity on phosphorus spiralling in autotrophic streams

Mulholland, P.J., J.D. Newbold, J.W. Elwood, and C.L. Hom. 1983. Oecologia 58:358–366.

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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.