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News Release 18-002
Winter road salt, fertilizers turning North American waterways increasingly saltier
New findings show need for better regulation of road salt, fertilizers and other salty compounds
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Uncovered salt piles near the NSF Baltimore Long-Term Ecological Research site.
Credit: Sujay Kaushal
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Warm colors show increasing salinity; cool colors, decreasing salinity. Black dots are study sites.
Credit: Ryan Utz/Chatham University
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Road salt kept in a storage facility in Washington, D.C.
Credit: Sujay Kaushal
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Road salt in the D.C. area; the salt can be transported to drinking water sources by urban runoff.
Credit: Joseph Galella/University of Maryland
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Corrosion of metals in an urban storm drain, caused by road salt.
Credit: Sujay Kaushal
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Researchers at the Cary Institute sample New York's Hudson River for salt-related changes.
Credit: Heather Malcolm/Cary Institute
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