The Acqua Pia Antica Marcia or Aqua Pia was an aqueduct in Rome. It was first built as a restoration of the classical

Aqua Marcia The Aqua Marcia ( it, 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 ...

by Luigi Canina, commissioned by

Pope Pius IX Pope Pius IX ( it, Pio IX, ''Pio Nono''; born Giovanni Maria Mastai Ferretti; 13 May 1792 – 7 February 1878) was head of the Catholic Church from 1846 to 1878, the longest verified papal reign. He was notable for convoking the First Vatican ...

. Its city terminus was the ''

Fountain of the Naiads The Fountain of the Naiads ( it, Fontana delle Naiadi) is a fountain in Rome, Italy, located at the centre of the Piazza della Repubblica on the Viminal Hill. The fountain was created by the architect Alessandro Guerrieri in 1888. Its four bronze ...

'' in the

Piazza Esedra Piazza della Repubblica is a circular piazza in Rome, at the summit of the Viminal Hill, next to the Termini station. On it is to be found Santa Maria degli Angeli e dei Martiri. It is served by the Repubblica – Teatro dell'Opera Metro stat ...

. The Acqua Pia Antica Marcia SpA society was formed in 1868 to manage and sell the waters of this aqueduct; this society was for a long time one of the main water suppliers to Rome, and still manages some fountains and drains. This proved necessary with Rome's population expansion at this period but the infrastructure's expansion was not achieved without resistance. Moves to create a secondary source for the aqueduct in the commune of Agosto led to its residents organizing a guerilla army, which stopped the society from creating this new source until the end of the Second World War.

Sources

*''This page is a translation of its Italian equivalent.'' Pia {{Italy-struct-stub