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

Support Our Work

Donate Now

Road Salt is Polluting Fresh Water

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

IT’S TIME TO

Take Action

Latest News

A stream cascade in Lofty Creek, Pennsylvania.

Selenium bioaccumulation and maternal transfer in the mayfly Centroptilum triangulifer in a life-cycle, periphyton-biofilm trophic assay

Conley, J.M., D.H. Funk, and D.B. Buchwalter. 2009. Environmental Science & Technology 43:7952–7957.

Hydrological indices for quantifying ecologically relevant flow conditions in intermittent alluvial plain rivers

Schmidt, J., S.T. Larned, D.B. Arscott, and J.C. Diettrich. 2009. Pages 94–102 in M. Thoms, K. Heal, E. Bogh, A. Chambel, and V. Smakhtin (editors). Ecohydrology of surface and groundwater dependent

Mitochondrial lineages and DNA barcoding of closely related species in the mayfly genus Ephemerella (Ephemeroptera:Ephemerellidae)

Alexander, L.C., M. Delion, D.J. Hawthorne, W.O. Lamp, and D.H. Funk. 2009. Journal of the North American Benthological Society 28:584–595.

Publication title with image of a mayfly

The boundless carbon cycle

Battin, T.J., S. Luyssaert, L.A. Kaplan, A.K. Aufdenkampe, A. Richter, and L.J. Tranvik. 2009. Nature Geoscience 2:598–600.

Diagram showing carbon cycling processes.

Scientists Argue Climate Change Mitigation Strategies Fall Short, Ignoring Significant Carbon Cycling Processes of Inland Waters

Streams, rivers, lakes, reservoirs, and wetlands play an important role in the carbon cycle that is unaccounted for in conventional carbon cycling models.

Sequential density fractionation across soils of contrasting mineralogy: evidence for both microbial- and mineral-controlled soil organic matter stabilization

Sollins, P., M. Kramer, C. Swanston, K. Lajtha, T Filley, A.K. Aufdenkampe, R. Wagai, and R.D. Bowden. 2009. Biogeochemistry 96(1–3):209–231.

View all news »

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.