Lake Mendota (image) Cary Institute of Ecosystem Studies Share Print E-Mail Caption This is a view from a road near Lake Mendota, in Madison Wis. Impervious surfaces like roadways channel salt-laden runoff directly into lakes. Credit Hilary Dugan Usage Restrictions To promote this press release. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.