Reservoir still needs to be lowered several metrespublished at 18:21 British Summer Time 4 August 2019
Charlotte Gallagher
BBC News
The Canal and River Trust says water in the reservoir needs to get down to eight metres below the normal level.
It's currently at 3.8 metres below normal.
Police have told residents that in the "worst case scenario" they will be out of their homes for a week.