Road Salt

The Latest

Salt cocktails compromise freshwater

Podcast

Human activities are exposing US rivers and streams to a cocktail of salts, with consequences for infrastructure and drinking water supplies. Road salt, fertilizers, and mining waste – as well as natural weathering of concrete, rocks, and soils – all contribute to increased salt in waterways. 

Road salt pollutes drinking water wells in suburban New York State

Road salt applied during the winter lingers in the environment, where it can pollute drinking water supplies. A recent study reveals hotspots and landscape features linked to elevated salt in wells.

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The State of Salt: What We Know about Road Salt Contamination in the NE US

Lecture Video

Learn how road salt impacts freshwater ecosystems, including drinking water supplies.

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Road Salt: Connecting Salt Practices with Salt in Streams

Lecture Video

Connect how salt practices in the Hudson River watershed impact the salinity of local streams.

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Road Salt

Increasing salt in our streams has been a concern at the Cary Institute for many years. Even in the relatively undeveloped watershed of the East Branch of Wappinger Creek, the salt levels have increased since 1985 when sampling began. 

Cary Institute of Ecosystem Studies | Millbrook, New York 12545 | Tel (845) 677-5343

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