Category Archives: Chloride concentrations

Madison’s Well #14 Reaches Critical Chloride Contamination Level

Remedial Actions Triggered Some Residents of Lake Wingra Watershed Affected Madison, WI December 1–The Madison Water Utility announced yesterday that “Sodium levels in Well 14 are around 45 mg/L, higher than the recommended limit for people on salt-restricted diets. Chloride, … Continue reading

Posted in Chloride concentrations, Groundwater, Road salt, Road salt use | Tagged , , , , | Leave a comment

Road Salt Use in Madison and Chloride Concentrations in its Lakes

The City of Madison, Wisconsin began spreading road salt on its streets in 1959. In the next 15 years ( by 1974), the chloride concentration in Lake Wingra tripled, and by 2014 had increased nearly seven fold from 18mg/L in … Continue reading

Posted in Chloride concentrations, Duck Pond Springs, Groundwater, Lake Wingra Watershed, Road salt, Road salt use | Tagged , , , | 1 Comment

Chloride Levels in Wingra Watershed Springs

Springs around the Lake Wingra Watershed are highly salted and getting more so with every application of road salt and other ice melters to our highway system, according to a recent study. As we reported in a earlier post, chloride … Continue reading

Posted in Chloride concentrations, Groundwater, Road salt, Road salt use, Springs | Tagged , , , , , | Leave a comment

Road Salt Is a Year Round Contaminant of Wisconsin Waters

In some Wisconsin rivers levels of chloride concentrations exceed by 10 to 15 times the  levels set by the U.S. Environmental Protection Agency (US EPA) to protect aquatic life such as fish, amphibians, and crustaceans, according to a recent story … Continue reading

Posted in Chloride concentrations, Friends of Lake Wingra, Lake Wingra, Lake Wingra Watershed, Madison lakes and beaches, Restoration ecology, Road salt | Tagged , , , , , , , | 1 Comment