Thanks, I never made the connection between the plumbum(lead is called plumb in my native language) and plumbing. Anyway to confirm this I done some searching and yes, romans)and others) had plumbing and running water and used lead pipes too(though the lead in wine gives you much more poisoning where pipes are toxic only in certain circumstances)
https://www.quora.com/Did-Roman-Byzantine-plumbing-extend-to...