Lake Mendota Real-Time Water Level and Flood Risk

This interactive graph displays real-time water levels for Lake Mendota in Madison, Wisconsin. To assist local residents, managers, and emergency teams, data is mapped directly against colored flood risk categories. Use the buttons to toggle between "Last 7 days" and "Last 24 hours" to analyze short-term or multi-day trends. Hovering your mouse over the timeline automatically updates the legend with exact water elevation data.

View Flood Risk Category Definitions