Lake experts, city crews encouraging community to use less salt in an effort to help environment

Quoted: “We put about 500 tons (of salt) a year into Lake Mendota in an average winter. It’s gone from a background concentration of 1 mg of salt per liter to about 50, so it’s about 50 times higher than it was back in the 1940s,” said Hilary Dugan, a University of Wisconsin-Madison professor and limnologist.