A Flood Alert was issued for Groundwater flooding in Bramdean and Cheriton in Hampshire on 16th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Alre at Drove Lane 1.5 rose 0.06m, peaking at 0.43m.
Environment Agency advice issued
Groundwater levels in Bramdean and Cheriton remain high but slowly falling. At the borehole at Cheriton Wood, the level has fallen by 19cm in the last week. Flooding could affect cellars of a small number of properties in Cheriton. Septic tanks will struggle to operate effectively. Dry weather is forecast from Monday 16/03/2026 to Friday 20/03/2026. Groundwater levels will continue slowly falling over the next week. Flooding impacts will continue to affect Cheriton throughout March. We are closely monitoring the situation. Residents are advised to prepare property resilience measures and ensur
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Drove Lane 1.5 | River Alre | +0.06m | 0.43m |