A Flood Alert was issued for Groundwater flooding in Bishops Sutton in Hampshire on 13th 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
High groundwater levels may lead to flooding. Flooding is possible . A small amount of rain (13mm) fell on Thursday night. Groundwater is now very close to the level we expect flooding to affect cellars of a small number of properties in Bishops Sutton and these impacts begin during the next 3 days. Impacts to septic tanks and flooding of roads is possible. Only a small amount of rain is forecast from Friday 13/03/2026 to Tuesday 17/03/2026. Groundwater levels may rise slightly in response to rainfall already recorded and will remain high throughout March 2026. We are closely monitoring the
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Drove Lane 1.5 | River Alre | +0.06m | 0.44m |