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Algal bloom in Brandywine Creek where it flows under a railroad bridge.

Who’s Polluting Our Water? Scientists’ New Way to Trace Algae Origins Could Tell Us

800 450 Stroud Water Research Center

Not all algae are harmful but too much can be deadly. Why? Because when they die, the blooms feed bacteria that rob the water of oxygen. 

River with riparian forest

Protecting Forests, Clean Water Amid Changing Remote-Work Landscape

800 450 Stroud Water Research Center

To make the case for preserving open space amid the demand for new development, it’s important to measure impact. Now scientists are doing just that.

Newly hatched mayflies resting on a tree, photo by Keith Williams.

Follow the Hatch — Aquatic Insects in Lancaster County’s Streams and Rivers

800 400 Stroud Water Research Center

Join John Jackson, Ph.D., of Stroud Water Research Center and Keith Williams of Lancaster Conservancy for a deep dive into the world of mayflies, stoneflies, caddisflies, and the many other tiny creatures that call our streams home.

Publication title with image of a mayfly

Deciphering the origin of riverine phytoplankton using in situ chlorophyll sensors

350 210 Stroud Water Research Center

Peipoch, M., and S. Ensign. 2022. Limnology and Oceanography Letters 7(2): 159–166.

A close view of green-dyed road salt on a walking path in Fairfax County, Virginia.

Who Can You Trust? Stroud Center Scientist Testifies on Threats of Road Salt to Fresh Water

800 450 Stroud Water Research Center

The invitation came on the heels of the Stroud Center sharing data with the Philadelphia Inquirer underlining the gravity of the road salt crisis as it affects clean fresh water.

Myriah Wadley taking a stream sample.

Where Passion Meets Purpose: Myriah Wadley on Environmental Science and Education

526 295 Stroud Water Research Center

Wadley is excited to share her passion for the environment with her community through boots-in-the-water educational experiences. “I want learners to feel more connected to the world around them.”

Publication title with image of a mayfly

Beyond the light effect: how hydrologic and geomorphologic stream features control microbial distribution across pool sequences in a temperate headwater stream

350 210 Stroud Water Research Center

Ouellet V., M.D. Daniels, M. Peipoch, L. Zgleszewski, N. Watson, E. Gibson, S. Krause, and J. Kan. 2022. Ecohydrology 15(2): e2380

A metal scoop full of road salt being sprinkled on pavement.

Over-Seasoned: Our Taste for Salt is Killing Our Freshwater Ecosystems

820 547 Stroud Water Research Center

The intense use of salt is now threatening our streams and rivers, marshes and ponds, and even groundwater — freshwater resources that were never meant to be so salty.

Publication title with image of a mayfly

Delaware River Watershed Initiative Pollution Assessment: Stage 1 Project Report

350 210 Stroud Water Research Center

Aufdenkampe, A.K., D.B. Arscott, B. Evans, and L. Perez. 2021. Stroud Water Research Center Report #2022-003.

A large red vehicle spreads salt on a road surrounded by snowy fields.

Smart Talk About Road Salt

780 520 Stroud Water Research Center

Join the conversation as WITF “Smart Talk” host Scott LaMar talks with Senior Research Scientist John Jackson, Ph.D., about the trouble with road salt.