A Flood Alert was issued for Groundwater flooding in Pitton, West Tytherley, Nether Wallop and Broughton in Hampshire, Wiltshire on 16th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Windwhistle rose 0.73m, peaking at 69.82m, while the Groundwater Level at Homington climbed 0.64m.
Environment Agency advice issued
Groundwater levels are high but slowly falling. At Pitton, the level has fallen by 13cm in the last week. At West Tytherley, the level peaked on Friday 13/03/2026 and has since fallen by 9cm. Flooding is expected to be affecting cellars in Nether Wallop, Pitton and West Tytherley. Road flooding and sewerage system impacts are expected in Pitton and West Tytherley. Dry weather is expected from Monday 16/03/2026 to Friday 20/03/2026. Groundwater levels are expected to continue slowly falling over the next week. Flooding impacts are expected to continue for much of March. We are closely monitorin
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Windwhistle | Groundwater Level | +0.73m | 69.82m |
| Homington | Groundwater Level | +0.64m | 64.56m |
| Stoford Cross | Groundwater Level | +0.60m | 67.98m |
| Odstock | Groundwater Level | +0.53m | 58.88m |
| Clarendon | Groundwater Level | +0.39m | 71.68m |
| Oakley Industrial Estate | Groundwater Level | +0.37m | 91.12m |
| Chitterne Down | Groundwater Level | +0.25m | 98.18m |
| Queen Manor Farm | Groundwater Level | +0.25m | 69.72m |
| Hazelberry Plantation | Groundwater Level | +0.25m | 125.89m |