Roman Hydraulic Engineering: The Pont du Gard Aqueduct and Nemausus (Nîmes) Castellum

A new analysis of the Pont du Gard aqueduct's terminal water distribution castellum reveals that Roman engineers employed advanced hydraulic principles to optimize water flow. By applying modern critical flow theory, researchers discovered that the 10 basin wall pipelines were designed to maximize output flow rates while closely matching the input from the aqueduct. The three drainage floor ports further fine-tuned this balance, demonstrating a sophisticated integration of engineering and aesthetics typical of Roman values. This study bridges the gap between descriptive archaeological accounts and the underlying engineering knowledge, offering unprecedented insights into Roman hydraulic innovation.

Ortloff, C. R. (2020). Roman Hydraulic Engineering: The Pont du Gard Aqueduct and Nemausus (Nîmes) Castellum. Water, 13(1), 54. https://doi.org/10.3390/w13010054