A Flood Alert was issued for Groundwater flooding in the Candovers and Old Alresford in Hampshire on 24th 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 in Preston Candover and Old Alresford have started to stabilise. Flooding is affecting the ability of septic tanks to operate effectively. In Preston Candover and Old Alresford, a small number of properties will experience cellar flooding. On Tuesday 24/02/2026, Wednesday 25/02/2026 and Saturday 28/02/2026, dry weather is expected. From Thursday 26/02/2026 into Friday 27/02/2026, further rain (between 15 and 25mm) is forecast. If heavy rain occurs over