sump pump failure St. Louis 6

https://whysumppumpsfailmedia.wordcanopy.com/posts/why-sump-pumps-fail-the-most-common-cause-and-how-to-avoid-it

During a heavy spring rain in St. Louis, my sump pump failed and the basement flooded within minutes. The motor had been making a weird noise for weeks, but I kept putting off a repair. Water soaked through boxes of old photos and ruined a sofa we'd just bought. The local plumber said the pump's float switch had corroded—common with all the limestone sediment in our water table.