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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

Fish assemblage integrity and watershed urbanization across national parks of the National Capital Region, USA

Peipoch, M., D. Myers, M. Daniels, D. Oviedo-Vargas, and J.P. Schmit. 2026. River Research and Applications, early online access.

Interception of river sediment in estuaries revealed by microbial community source tracking

Kan, J., and S.H. Ensign. 2026. Estuaries and Coasts 49, 55.

Distinct changes in riparian sediment microbial communities with depth and time since dam removal

Moore, E.R., M.M. Rahman, J.G. Galella, M. Sena, B. Joshi, A. Yaculak, M. Peipoch, J. Kan, and S. Inamdar. 2026. Nature Scientific Reports 16: article 6885.

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Freshwater Research News

John Jackson in the Stroud Center Streamhouse.
Scientist Known for Road Salt Research and Policy Guidance Earns Top Honor
John K. Jackson, Ph.D., has been recognized for research, community leadership, and protecting streams and drinking water.
Volunteers plant New Bolton Center fodder shrubs.
New Bolton Center and Stroud Center Partner on Clean Water Projects
The Penn Vet campus is a 700-acre living laboratory at the headwaters of White Clay Creek, protecting soil health, biodiversity, and water quality.
Stroud Center entomologists have been sampling macroinvertebrates in the Susquehanna River near Procter & Gamble’s Mehoopany plant since 1974.
Fund Long-Term Research Like Infrastructure
Long-term environmental research is how communities detect risks early. It is how we make smarter decisions, reduce costs, and protect public well-being.
Stroud Center Scientist Testifies About Stream Impairment
Stroud Center Scientist Testifies About Stream Impairment
The public hearing was organized in response to the Integrated Water Quality Report 2026 issued by the Pennsylvania Department of Environmental Protection.
A small stream meanders through a Pennsylvania forest.
Small Streams Hold the Key to Healthy Rivers
New state water quality report confirms Stroud Center science: restoring healthy rivers demands upstream focus.
A scientist measures chlorophyll in a stream using a field fluorometer.
When Local News and Science Go Dark, the River Loses Its Voice
Supporting local journalism and local science is not charity. It is an investment in the data, transparency, and accountability that keep fresh water safe.