A Flood Alert was issued for Groundwater flooding in the Candovers and Old Alresford in Hampshire on 17th 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 0.44m.
Environment Agency advice issued
Groundwater levels in the Candovers and Old Alresford remain high. At Preston Candover, the level remains relatively stable. At Old Alresford, the level has fallen by 6cm in the last week. Flooding will be affecting the ability of septic tanks to operate effectively. In Preston Candover and Old Alresford, a small number of properties are expected to be experiencing cellar flooding. Dry weather is forecast from Tuesday 17/03/2026 to Saturday 21/03/2026. Groundwater levels in all villages are expected to slowly fall this week. We are closely monitoring the situation. Residents are advised to pre
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Drove Lane 1.5 | River Alre | +0.06m | 0.44m |