Catsellum Aquae is a watershed,
the city end of one branch of the
Augustan Serinus aqueduct. Placed
at the highest point in Pompeii
(42m) at Porta Vesuvio, it used to
pressure the waterfall to distribute water to three primary channels.

Castellum Aquae
2006
Urban Intervention
Castellum Aquea / Pompeii, Italy