Aqua Marcia

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Aqua Marcia Aqua Marcia 01.jpg
Aqua Marcia
Route of the Aqua Marcia outside of Rome Aqua marcia planlatium.jpg
Route of the Aqua Marcia outside of Rome
Route of the Aqua Marcia within Rome Aquae planrome3.png
Route of the Aqua Marcia within Rome
Aqua Marcia near Romavecchia, Rome Aqua Marcia 05.jpg
Aqua Marcia near Romavecchia, Rome
Closeup on the Roman waterproof mortar inside of the channel Aqua Marcia 04.jpg
Closeup on the Roman waterproof mortar inside of the channel

The Aqua Marcia (Italian : Acqua Marcia) is one of the longest of the eleven aqueducts that supplied the city of Rome. The aqueduct was built between 144–140 BC, during the Roman Republic. The still-functioning Acqua Felice from 1586 runs on long stretches along the route of the Aqua Marcia.

Contents

Together with the Aqua Anio Vetus, Aqua Anio Novus and Aqua Claudia, it is regarded as one of the "four great aqueducts of Rome." [1]

It was the first to enter Rome on arches, which were used for the last 11 km, and which were also used later combined with the Aqua Tepula and Aqua Julia.

Route

The ancient source for the aqueduct was near the modern towns of Arsoli and Agosta, over 91 km (57 mi) away in the Anio valley. This general locale, in hills to the east of the city, was also used for other aqueducts including the Anio Vetus, Anio Novus, and Aqua Claudia. The same source is used today to supply the modern aqueduct.

The route was initially underground for about 80 km and then emerged on large monumental arches.

The initial stretch of the aqueduct flanked the right bank of the river Anio, crossing it with a bridge just before Vicovaro and joining the route of the Aqua Anio Vetus (at a lower altitude). It continued towards Tivoli and then, bypassing the Tiburtini Mountains, it reached via Prenestina. After the current municipality of Gericomio it crossed the Gallicano area in Lazio with alternating bridges (of which many are visible) and underground sections. After the Capannelle area it headed directly to Rome and surfaced at the seventh mile of the Via Latina , where there was a limaria pool (settling basin). From here a stretch of about 9 km arches flanked the Via Latina and reached Rome in the locality ad spem veterem, near Porta Maggiore, where other aqueducts met. From here it followed the future Aurelian walls until it crossed via Tiburtina on an arch later transformed into Porta Tiburtina. The route passed the Viminal gate, where Termini Station stands today, and ended near the Collina gate, where the main castellum aquae for distribution stood, near the current Via XX Settembre. The main branch of the subsequent network (which covered 2/3 of the city) reached the Quirinal and then the Capitol, while a secondary branch (rivus Herculaneus), which started from the Tiburtina gate, served the Caelian and the Aventine.

Its extension to the Capitoline Hill caused a controversy at the time, because traditionalists were concerned about a passage in the Sibylline Books warning against bringing water there. [2]

History

The Aqua Marcia was constructed from 144 to 140 BC by the praetor Quintus Marcius Rex (an ancestor of Julius Caesar), for whom it is named and whose judiciary role was extended for the completion of the work.

The aqueduct was largely paid for by spoils from the recent Roman conquests of Corinth in 146 BC and the destruction of Carthage at the end of the Third Punic War, in the same year. [3]

The aqueduct followed the via Tiburtina into Rome, and entered the city in its eastern boundary at the Porta Tiburtina of the Aurelian Wall. It was well known for its cold and pure waters.

The aqueduct was repaired by Marcus Agrippa in 33 BC, and then later again by Augustus, according to the inscription in the arch that was later made into the Porta Tiburtina. Augustus also augmented the supply by linking it to an additional source, the Aqua Augusta, doubling the throughput. Much of its supply was siphoned off by private citizens for their own use, making it effectively only a trickle in the city by the time of Nero. The supply was increased again by later emperors. Frontinus measured the flow of the Aqua Marcia at its source around AD 97 as 4690 quinariae, [4] making it the second-greatest source of the city's water. Modern estimates of size of one quinaria vary over a wide range, from 10,000 l (2,600 US gal; 2,200 imp gal) to 76,800 l (20,300 US gal; 16,900 imp gal) of water a day, [5] giving the Aqua Marcia a flow rate of 46,900,000 l (12,400,000 US gal; 10,300,000 imp gal) to 360,192,000 l (95,153,000 US gal; 79,231,000 imp gal) of water a day.

See also

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Aqua Anio Novus Roman aqueduct

Aqua Anio Novus was an ancient Roman aqueduct. Like the Aqua Claudia, it was begun by emperor Caligula in 38 AD and completed in 52 AD by Claudius, who dedicated them both on August 1. Together with the Aqua Anio Vetus, Aqua Marcia and Aqua Claudia, it is regarded as one of the "four great aqueducts of Rome."

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Acqua may refer to:

Quintus Marcius Rex (praetor 144 BC)

Quintus Marcius Rex was a Roman politician of the Marcii Reges, a patrician family of gens Marcia, who claimed royal descent from the Roman King Ancus Marcius. He was a paternal great-grandfather of Julius Caesar.

Aqua Anio Vetus

The Aqua Anio Vetus was an ancient Roman aqueduct, and the second oldest after the Aqua Appia. It was commissioned in 272 BC and funded by treasures seized after the victory against Pyrrhus of Epirus. Two magistrates were appointed by the Senate, the censors Manius Curius Dentatus who died five days after the assignment, and Flavius Flaccus. The aqueduct acquired the nickname of "old" (vetus) only when the Anio Novus was built almost three centuries later.

References

  1. Blackman, Deane R. (1978). "The Volume of Water Delivered by the Four Great Aqueducts of Rome". Papers of the British School at Rome . 46: 52–72. doi:10.1017/S0068246200011417. JSTOR   40310747.
  2. Stambaugh 1988, p. 37.
  3. Stambaugh 1988, p. 36.
  4. Rodgers, Robert (2004). Frontinus. De aquaeductu urbis Romae. Edited with an introduction and commentary by R. H. Rodgers. Cambridge: Cambridge University Press. p. 67. ISBN   0-521-83251-9 . Retrieved 16 October 2018.
  5. Keenan-Jones, Duncan; Motta, Davide; Garcia, Marcelo H.; Fouke, Bruce W. (2015). "Travertine-based estimates of the amount of water supplied by ancient Rome's Anio Novus aqueduct". Journal of Archaeological Science: Reports. 3: 1–10. doi:10.1016/j.jasrep.2015.05.006.

Bibliography

Coordinates: 41°52′16″N12°32′20″E / 41.8711°N 12.5389°E / 41.8711; 12.5389