In 97 CE Julius Frontinus was appointed by the Emperor Nerva to the post of water commissioner for the city of Rome. In the De Aquaductu Urbis Romae he sets forth his duties, responsibilities and accomplishments during his first year in office. R. H. Rodgers provides the first full commentary since the early eighteenth century, dividing his attention between text and language on the one hand and content and interpretation on the other.