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Freshwater Research

Moving Freshwater Science Forward

Our efforts at Stroud Water Research Center require intellectual curiosity, a systematic and rigorous approach to scientific research, and the drive to answer a series of challenging questions about freshwater ecosystems. The answers to these questions may take decades to fully understand, but it is critical that we persist, as they have the power to influence others in ways that positively affect the world’s finite supply of clean fresh water.

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Recent Publications

Ameletus Mayflies (Ephemeroptera: Ameletidae) of the Eastern Nearctic

Funk, D.H. 2025. Insects 16(5): 530.

Seasonal and longitudinal dynamics of DOM within headwater streams of a tropical evergreen forest

Sullivan, S.N., J.C. Bowen, L.A. Kaplan, R.M. Cory, and P.G. Hatcher. 2025. Water Research, early online access.

High fecal indicator bacteria in temperate headwater streams at baseflow: implications for management and public health

D.T. Myers, L. Zgleszewski, R. Bier, J.R. Price, S. Morgan, J.K. Jackson, D. Oviedo-Vargas, M. Daniels, D.B. Arscott, J. Kan. 2025. Water Research X, early online access.

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Freshwater Research News

Diana Oviedo Vargas, Ph.D., collects biosolid samples to test for PFAS.
Study Points to Farmland as Possible Source of PFAS in Fish
The Stroud Center and the Center for PFAS Solutions have been studying how much biosolids are contaminating farmland and adjacent waters since 2021.
A scientist shows a small live eel to children at World Water Day.
Wild World Water Day!
The Stroud Center welcomed 160+ visitors for hands-on science, stream fun, and more. Join us on March 21, 2026, for another exciting event!
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.
An adult mayfly with large eyes sitting on a leaf.
Four Seasons of Salt Threaten Wildlife
Excessive winter salt use is leading to year-round pollution in fresh water. Discover why this is a problem and what you can do about it.
Young riparian buffer in Franklin Township, Pa.
Stroud Center Receives Foxwynd Foundation Grant to Gather Data on Impact of Watershed Restoration Efforts
The grant will help Stroud Water Research Center collect much-needed environmental data to inform spending on water quality investments.
A close view of green-dyed road salt on a walking path in Fairfax County, Virginia.
Mapping the Hidden Impacts of Road Salt on Our Streams
This January, the Stroud Center joins a multistate effort to collect data and raise awareness about road salt’s effects on fresh water.