A Flood Alert was issued for Groundwater flooding in Kings Somborne and Little Somborne in Hampshire on 10th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Windwhistle rose 1.26m, peaking at 71.96m, while the Groundwater Level at Homington climbed 0.96m.
Environment Agency advice issued
Groundwater levels in Kings Somborne and Little Somborne are high but slowly falling. At the borehole in Kings Somborne, the level has fallen by 19cm in the last week. Groundwater has now fallen below the level we expect cellar flooding to occur in the village. However, residual flooding impacts may still be ongoing. Mostly dry weather is forecast on Tuesday 10/03/2026, Wednesday 11/03/2026 and Saturday 14/03/2026. On Thursday 12/03/2026 and Friday 13/03/2026, further rain (between 20 and 25mm) is expected. If heavy rain affects the area, further cellar flooding impacts could occur from the we
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Windwhistle | Groundwater Level | +1.26m | 71.96m |
| Homington | Groundwater Level | +0.96m | 66.16m |
| Odstock | Groundwater Level | +0.85m | 60.39m |
| Stoford Cross | Groundwater Level | +0.59m | 69.18m |
| Everleigh | Groundwater Level | +0.51m | 129.62m |
| Clarendon | Groundwater Level | +0.49m | 72.57m |
| Queen Manor Farm | Groundwater Level | +0.28m | 70.23m |
| Hazelberry Plantation | Groundwater Level | +0.21m | 126.32m |