[snitch182]

Lead pipes get coated with residue by the water in no time. So no the roman empire did not fall because of lead

[IAmBroom]

Assuming there were never any points of corrosion in the pipes.

Also, actual data:

https://www.forbes.com/sites/kristinakillgrove/2019/11/29/ar...

https://www.sciencedirect.com/science/article/pii/S004896971...