That sounds a whole lot like a you problem, presumably due to old pipes in your building or whatever. Most SF water comes from Hetch Hetchy and is clean enough

That sounds a whole lot like a you problem, presumably due to old pipes in your building or whatever. Most SF water comes from Hetch Hetchy and is clean enough at the source that it's not required to be filtered. My experience over a few decades is that San Francisco's tap water is about the best tasting in the nation. https://tappwater.co/blogs/blog/can-you-drink-san-francisco-tap-water-2 https://tappwater.co/blogs/blog/can-you-drink-san-francisco-...