Complex sentence: This zone covers a small area in north Northumberland, centred around the towns of Berwick and Wooler which has no access to stored water and its water supplies come entirely from an aquifer in the underlying Fell Sandstone, from which water is abstracted via boreholes.
Split into simpler sentences: This zone covers a small area in north Northumberland, centred around the towns of Berwick and Wooler. The zone has no access to stored water and its water supplies come entirely from an aquifer in the underlying Fell Sandstone, from which water is abstracted via boreholes.