Groundwater flooding in the Lower Allen Vale

High groundwater levels are expected to cause flooding.  Flooding is expected from 29 January 2026.  Groundwater levels in Cranborne Chase are rising. Areas that could be affected include: Lower Allen Vale including New Town, Witchampton. The groundwater level at Woodyates borehole has risen to 106.82m, and is expected to rise further into next week. Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed. Residents may experience inundation of septic tanks and sewer systems. Properties may experience flooding in cellars in affected areas. Flooding of roads is expected, take particular care when driving.  We are closely monitoring the situation .  If you have a pump, make sure it is working and switched on. Think about alternative power sources in case of power cuts .  This message will be updated by 3:30PM on 04 February 2026 or as the situation changes.