A Flood Alert was issued for Groundwater flooding in Bramdean and Cheriton in Hampshire on 23rd February 2026. Affected watercourses included the Groundwater.
Local monitoring gauges did not record a significant level change for this event, which may indicate a precautionary or rainfall-forecast-based alert.
Environment Agency advice issued
High groundwater levels may lead to flooding. Flooding is possible . Mostly light rain (22mm) has fallen in the last week. Groundwater levels are slowly rising. Flooding is affecting cellars of a small number of properties in Cheriton. Septic tanks will be struggling to operate effectively. In Bramdean, properties could be affected by cellar flooding from Thursday 26/02/2026. From Monday 23/02/2026 to Wednesday 25/02/2026, dry weather is expected. From Thursday 26/02/2026 to Friday 27/02/2026, further rain (between 15 and 25mm) is forecast in Hampshire. Groundwater levels are expected to con