The reservoir was constructed in order to support the water pumping from the River Dee, as part of the regulation Scheme, including the abstraction by North West Water at Huntington water treatment works, Chester, from where water is supplied to Liverpool and the Wirral.
The reservoir was constructed in order to help maintain the flow in the River Dee, so that drinking water could be abstracted further downstream as part of the regulation Scheme. These abstractions include one at Huntington water treatment works Chester operated by North West Water, which supplies water to Liverpool and the Wirral.