Road Salt

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Snowy winter road with road salt

New Cary Institute Report on Sustainable Road Salt Use

A report summarizing current science on the environmental and health impacts of road salt, and best management practices for preventing overuse while maintaining public safety.

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.

findlay road salt forum

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.

Related Projects

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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