The fountain of St. Agatha is a clear example of the medieval urban placement reserved for fountains: they were aligned with the buildings along the streets and set within a stone arch.
A reservoir was placed at the back of each fountain, with a door for inspection and cleaning.
This fountain, built in the 13th century, was fed by the Magistral aqueduct, which collected water from the Vasi and Sudorno aqueducts.
During restoration work in 2009, the remains of a mosaic belonging to a Roman house from the first century AD came to light.