A Flood Alert was issued for Groundwater flooding in Bishops Sutton in Hampshire on 18th 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 Bishops Sutton are high but relatively stable. Currently, groundwater is very close to the level we expect cellar flooding to affect a small number of properties. Dry weather is forecast from Wednesday 18/03/2026 to Sunday 22/03/2026. Groundwater levels are expected to slowly fall over the next week. If the weather forecast is favourable next week, this Flood Alert could be removed. We are closely monitoring the situation. Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed. This message will be up
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Drove Lane 1.5 | River Alre | +0.06m | 0.44m |