This is a list of aqueducts in Rome listed in chronological order of their construction.
Aqua Appia
built in 311 B.C.
source: springs 10 miles (16 km) to the east of Rome
length: 10 miles (16 km); underground from its source for 7 miles (11 km), then on arches for 3 miles (4.8 km) to its terminus in the Forum Boarium in Campus Martius
Aqua Anio Vetus
built in 272 - 269 BC
source: Anio (Aniene) River near Vicovaro, east of Rome
length: 40 miles (64 km); underground channel of stone from its source to its terminus on the Viminal Hill
Aqua Marcia
built in 144 - 140 BC
source: springs near Subiaco, east of Rome
length: 56 miles (90 km); underground for 50 miles (80 km) from its source, then on arches for 6 miles (9.7 km) to its terminus on the Capitoline Hill
later piped to the fantastic baths of Caracalla on the Caelian Hill by a branch called Aqua Antoniniana, then to the Aventine Hill and the Quirinal Hill
Aqua Tepula
built in 125 BC
source: springs near Subiaco, east of Rome
length: 11 miles (18 km); underground for 5 miles (8.0 km) from its source, then on the same arches as those of the Aqua Marcia for 6 miles (9.7 km) to its terminus on the Aventine Hill
Aqua Julia
built in 33 BC
source: springs near Subiaco, east of Rome
length: 14 miles (23 km); underground for 7 miles (11 km) from its source, then on the same arches as those of the Aqua Marcia and Aqua Tepula to its terminus on the Aventine Hill
Aqua Virgo
built in 19 BC
source: springs near Via Collatina, east of Rome
length: 14 miles (23 km); underground for 7 miles (11 km) from its source, then on arches for 7 miles (11 km) to its terminus at the baths of Agrippa in Campus Martius
Aqua Alsietina
built in 2 BC
source: Lake Alsietina, now Lake Martignano, northwest of Rome
length: 14 miles (23 km); underground for 13 3⁄4 miles from its source, then on arches for 1/4-mile to its terminus at the Naumachia of Augustus in Transtiberim (Trastevere)
Aqua Claudia
built in AD 52
source: springs in Subiaco, east of Rome
length: 43 miles (69 km); underground for 34 miles (55 km) from its source, then on arches for 9 miles (14 km) to its terminus on the Caelian Hill
later piped to the imperial palaces from the mid-first century on the Palatine Hill
Aqua Anio Novus
built in AD 52
source: Anio (Aniene) River, east of Rome
length: 54 miles (87 km); underground for 46 miles (74 km) from its source, then on arches for 8 miles (13 km), entering Rome at Porta Maggiore, atop the channel of Aqua Claudia to its terminus on the Caelian Hill
Aqua Traiana
built in AD 109
source: springs to the north of Lake Bracciano, northwest of Rome
length: 35 miles (56 km); underground for 29 miles (47 km) from its source, then on arches for 6 miles (9.7 km) to its terminus on the Janiculum Hill
Aqua Alexandrina
built in AD 226
source: the Pantano springs near Via Prenestina, east of Rome
length: 14 miles (23 km); underground for 4 miles (6.4 km) from its source, then on arches for 10 miles (16 km) to its terminus at the baths of Alexander Severus in Campus Martius
Acqua Vergine Antica
built in 1453
source: springs in Salone, east of Rome
length: 8 miles (13 km); underground from its source to its terminus at the fountain of Trevi on the Quirinal Hill
Acqua Felice
built in 1586
source: springs at Pantano Borghese, off Via Casilina
length: 15 miles (24 km); underground for 8 miles (13 km) from its source, in the channel of Aqua Alexandrina, then alternating on the arches of the Aqua Claudia and the Aqua Marcia for 7 miles (11 km) to its terminus at the fountain of Moses on the Quirinal Hill
Acqua Paola
built in 1611
source: Lake Bracciano, northwest of Rome
length: 20 miles (32 km); underground for 12 miles (19 km) from its source, in the channel of Aqua Trajana, then on arches for 8 miles (13 km) to its terminus at the fountain of Paul V on the Janiculum Hill,
later piped to Vatican Hill
Acqua Pia Antica Marcia
built in 1870
source: springs near Subiaco, east of Rome
length: 56 miles (90 km); underground for 50 miles (80 km) in the channel of Aqua Marcia, then on arches for 6 miles (9.7 km) to its terminus at the fountain of the Naiads on the Viminal Hill
Acqua Vergine Nuova
built in 1937
source: springs in Salone, east of Rome
length: 8 miles (13 km); underground from its source to its terminus at the fountains in Piazza del Popolo and the fountains on the western slope of the Pincio, overlooking Piazza del Popolo
Acqua Peschiera
built in 1949
source: springs in Sorgenti, northeast of Rome
length: 60 miles (97 km); underground from its source, splitting into two branches:
Peschiera Sinistra, approaching Rome from the east
Peschiera Destra, taking a westward route, crossing the Tiber River at Poggio Mireto Scalo, about 30 miles north of Rome to its terminus at the fountain of Piazzale degli Eroi (Italian: Heroes' Square), just north of Vatican Hill
Acqua Appio-Allesandrinobuilt in 1965
source: catchment basins along the volcano Angela at Pantano Borghese, Finocchi, Torre Angela
List of Roman aqueducts by date Wikipedia (Text) CC BY-SA