The 3 things I learned when I had my foundation repaired that shocked me: city maps of utilities can be wrong

https://fernandolacx005.scriblorax.com/posts/homeowner-guide-3-things-to-know-before-calling-for-foundation-repairs-3

The 3 things I learned when I had my foundation repaired that shocked me: city maps of utilities can be wrong, private lines hide everywhere, and 811 marking is non-negotiable.