Has anyone else had this happen? I live outside of a major city. My water has always had a chlorine smell. Sometimes the water company has flushed the water & added more chlorine. Recently my water smells like mildew. I started researching & found out that New York had this happen to their water.

New York November 2019, Water tastes like mildew

https://gothamist.com/news/some-new-yorkers-are-wondering-again-why-their-tap-water-tastes-mildew

Musty tap water Sacramento, CA

https://www.kcra.com/article/sacramento-tap-water-taste-smell-off-blue-green-algae/36821586