The reservoir covers an area of 41 acres ( 16.5 ha ) .
The reservoir can hold enough water to maintain the Ancholme for up to seven days , in the event of a failure of the pumps at Short Ferry .
The reservoir covers an area of 41 acres ( 16.5 ha ) and can hold enough water to maintain the Ancholme for up to seven days , in the event of a failure of the pumps at Short Ferry .