Should the Metro-Detroit area reduce the use of salt ?

Road salts known under various chemical compounds sodium chloride, calcium chloride, potassium chloride,
magnesium chloride, and ferrocyanide salts) are toxic. In the USA deicing salt is considered a pollutant via National Pollutant Discharge Elimination System [[NPDES).
Chloride concentrations [[salinity) in lakes across the USA have steadily increased over the past 50 years, compared a near zero concentration in the 1950s, when road salt application began upon the nations roadways.

Nearly 5 Million people live around Metro-Detroit, Michigan and another 5 Million people live around Windsor, Ontario. 10 MILLION people concentrated near Fresh Water Lakes; just in our little section of the geography…pass the salt ?