Tag: road salt

Study tracks startling salinization trend in U.S. lakes

Road salt, development blamed for spiking chloride levels

Water quality in freshwater lakes near roads where salt is used is rapidly deteriorating. @bberwyn photo.

Staff Report

Lakes from New England to the Midwest are getting saltier from the massive use of chemicals to melt ice on roads, as well as from urban development. Under the current trend,  many North American lakes will surpass EPA-recommended chloride levels in 50 years, spelling trouble for aquatic ecosystems.

The majority of the lakes (284) were located in a North American Lakes Region that includes Connecticut, Maine, Massachusetts, Michigan, Minnesota, New Hampshire, New York, Ontario, Rhode Island, Vermont, and Wisconsin. Continue reading “Study tracks startling salinization trend in U.S. lakes”

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Study: Toxic stream pollution from road salt doubles

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Pollution from road salt is increasing quickly, a new USGS study found.

EPA standards for chloride exceeded at one in three sampling sites

Staff Report

FRISCO — Many streams in the northern U.S. are polluted to toxic levels by salt deicers, the U.S. Geological Survey said in a new study that found the frequency of these occurrences nearly doubling in two decades.

Chloride levels increased substantially in 84 percent of the urban streams analyzed, the researchers said, using data going back to 1960 and ending as recently as 2011. Continue reading “Study: Toxic stream pollution from road salt doubles”

Environment: Cold weather road ecology institute seeks alternatives to chemical road de-icers

This is what we like to see!
Clearing the roads in Frisco, Colorado.

A little bit of salt on your french fries is fine; a lot of salt on the road kills trees and fish

Staff Report

FRISCO — Highway engineers and scientists know that that massive use of chemical road de-icers has significant environmental impacts. Salt and the various derivatives used to keep roadways open kills trees and degrades water quality.

Just last year, the EPA found salt building up in groundwater near highways in the eastern U.S. Across the country, the U.S. spends $2.3 billion each year on the removal of highway snow and ice plus another $5 billion to mitigate the hidden costs associated with the process.

The hidden costs include long-term impacts of salt, sand and chemical deicers on the natural environment and road infrastructure as well as short-term impacts on semi-trailer trucks and other vehicles from rust and corrosion. Continue reading “Environment: Cold weather road ecology institute seeks alternatives to chemical road de-icers”