No / The use of water in Roman private houses has been identified as a highly visible status symbol. The detailed study of the House of the Vestals at Pompeii reveals how water features were central to the house¿s structural changes from the late first century B.C. The owners of the house invested heavily in fountains and pools as key elements in the display of their wealth to visitors and passers-by alike. This article relates the structural development of the House of the Vestals to the social history of decorative water usage, from an initial investment exploiting the pressurized water provided by the new aqueduct early in the Augustan period to the responses to crises following the earthquake of A.D. 62