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Road Salt

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Freshwater salinization: Saltier rivers are a growing concern

350 210 Stroud Water Research Center

Myers, D.T. 2024. National Parks Service, U.S. Department of the Interior.

Eight watershed stewards stand behind a large pile of garbage they have removed from a stream.

Starting a Watershed Organization

800 450 Stroud Water Research Center

Learn how the Little Lehigh Watershed Stewards started a watershed organization in their rapidly developing community and you can too.

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Riparian groundwater nitrogen (N) isotopes reveal human imprints of dams and road salt salinization

350 210 Stroud Water Research Center

Inamdar, S., M. Peipoch, M. Sena, B, Joshi, M.M. Rahman, J. Kan, E.K. Peck, A. Gold, T.L.E. Trammell, and P.M. Groffman. 2024. Geophysical Research Letters 51(5): e2023GL106888.

Road Salt in Streams

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Senior Research Scientist John Jackson recently spoke with WHYY’s Studio 2 hosts about how road salt is contaminating waterways.

Volunteers at the Darby Creek salt snapshot.

We, the Community Scientists

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People in the Delaware River Watershed are joining forces and collecting data to protect the vital freshwater resources that sustain their communities.

Elisabeth Ruschmann standing near a stream.

High School Student’s Research Shows Salt Pollution of Fresh Water Has Tripled in 20 Years

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Elisabeth Ruschmann monitored water quality in her community and made an “alarming” discovery. Now she’s focused on sustainable solutions.

A hand holding a chloride test strip near a creek.

Why Volunteers Are Tracking Down Road Salt in Streams

800 450 Stroud Water Research Center

With help from the Stroud Center, community scientists and watershed groups are measuring the impact of salt pollution on fresh water and taking action.

Rachel Johnson and Dave Arscott at the Watershed Heroes event.

Stronger Together: A Nonprofit Partnership Raises Road Salt Awareness

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Stroud Water Research Center is honored to have received the Watershed Heroes Nonprofit Steward award from Tookany/Tacony-Frankford Watershed Partnership.

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.

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

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

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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.