4 ms·I don't live in San Francisco, but I've heard stories...by moron4hire 24d agoI don't live in San Francisco, but I've heard stories...hansvm 24d agoThe streets are power washed often enough that it's usually fine, at least if you're careful where you step.lazide 24d agoOnly when it comes to bulk piles of feces. That powerwashing sprays it around everywhere though, and the contamination surface is massive.