Aqueducts built.
• 11 aqueducts in total
o Aqua Marcia & Tapulialulia built in 1st – 2nd cnt BC
o Annio Novus & Cloudius (1st cnt AD)
Built by cloudius
Met together at esquilne hill
o Alsietina
Did not transport potable water mainly for bathhouses (4 St. 47 Min, 25 Aug 500 Jahr v. Chr. – 19 St. 7 Min, 1 Jan 200 Jahr)