The lakes in the City of Madison are the center of so many activities in both summer and winter. These lakes include: Mendota, Monona, Wingra, Waubesa, and Kegonsa. They also are the center of conversation when the lake water turns greener and isn’t so pretty. City of Madison Engineering Division Public Information Officer Hannah Mohelnitzky hosts City of Madison Engineering Division Water Resource Engineer Phil Gaebler and University of Wisconsin Research Scientist Eric Booth to talk about water quality and why the lakes get mucky at a certain point in the season. You’ll also learn more about the history of how lakes have been impacted over the years.