Determine Water Retention Times

Water retention time is defined as the time infiltrated surface water has to remain underground to eliminate the risk of viruses or bacteria before it can be re-extracted. Current water flow measurements often struggle to provide detailed, real-time data on groundwater movement, which is essential to determining the water retention times.

Quantum sensors, for example SQUID magnetometers could be used to detect subtle magnetic signals that are potentially linked to groundwater movement. These could be integrated to complement pre-existing piezometric networks.

Establishing a network of sensors that provide real-time data on groundwater flow and flux is crucial to optimise water management and ensure compliance with retention time regulations. Ensuring this retention time in turn provides for clean and safe water.