Many urban streams harmful to aquatic life following winter pavement deicing (page 2)
The use of salt to deice pavement can leave urban streams toxic to aquatic life, according to a new U.S. Geological Survey study on the influence of winter runoff in northern US cities, with a special focus on eastern Wisconsin and Milwaukee.
"While winter driving and walking safety are the priority in treating pavements, this study suggests the need for advancements that will reduce salt loads to surface waters without compromising safety," said Matthew C. Larsen, USGS Associate Director for Water.
"We expected to see elevated chloride levels in streams near northern cities during the winter months," said Steve Corsi of the USGS Wisconsin Water Science Center.
"This study shows that chloride contamination of urban streams is a problem in many places; it's not just a Milwaukee problem," said Corsi.
Many urban streams harmful to aquatic life following winter pavement deicing
The use of salt to deice pavement can leave urban streams toxic to aquatic life, according to a new U.S. Geological Survey study on the influence of winter runoff in northern US cities, with ...
Wed 1 Sep 10 from Eurekalert
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