Craponne water is used for watering the Crau grasslands. "Water gates" carry water to the farmhouses The number of peri-urban areas has increased and water is also used for watering gardens. The flow of the canal can be very fast from June to August, it can go up to more than 31 000 L / second, is 1 / 6th of the average flow of the Durance. Irrigation of the grasslands recharges the groundwater of Crau which feeds the inhabitants of Crau in drinking water.