Earlier quoted context omitted.
If that's the case our cities should have fallen apart by now from just the dogs alone.
I mean... Urine has destroyed light posts, before, even in SF. https://www.sfgate.com/bayarea/article/City-lamp-post-falls-... >“We believe there was some contribution of dog or human urine on the base of the pole,” PUC spokesman Tyrone Jue said. “It has actually been an issue for us in the past. We encourage people and dogs alike to do their business in other places, like a proper restroom or one of our fire hydrant…
Human Waste Shuts Down BART Escalators
"When work crews pulled open a broken BART escalator at San Francisco's Civic Center Station last month, they found so much human excrement in its works they had to call a hazardous-materials team."
https://www.sfgate.com/bayarea/article/Human-waste-shuts-dow...