In Portland, OR there are 100 or so public fountains known as Benson Bubblers. If you drink from one there is a small chance it is one of the bubblers I machined back in the day. Unfortunately, there have been a number of instances of these bubblers being used as a bidet so you can imagine folks in the know are hesitant to use them. However, the Water Bureau says they are routinely cleaned.

https://www.portland.gov/water/about-portlands-water-system/...

At least in my area, a lot of folks didn't trust the tap water, and more didn't trust the fountain to not be super germy, so fountains just didn't end up used. I noticed many shuttered during COVID then they never got turned back on, then eventually got removed.

I have seen indoor fountains gradually being replaced with water bottle filler stations, but I personally wonder how often those filters get replaced.

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