Posted in Web UPDATE: Rapidan Dam in ‘imminent failure condition’; Mankato floodwalls … June 24, 2024 “If the Rapidan Dam does fail, engineers on site predict an increase of 6 inches to 2 feet, depending on location downstream. The City of North Mankato has a staff member on-site at the Rapidan … https://www.mankatofreepress.com/news/local_news/update-rapidan-dam-in-imminent-failure-condition-mankato-floodwalls-expected-to-handle-any-surge/article_411123d2-3235-11ef-bb62-6bf9d2baedaa.html