A Flood Warning was issued for Groundwater flooding for the Till in Wiltshire on 19th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Windwhistle rose 0.53m, peaking at 69.09m, while the Groundwater Level at Stoford Cross climbed 0.49m.
Environment Agency advice issued
High groundwater levels are cause flooding. Groundwater levels in Salisbury Plain are beginning to fall but remain high. Areas that could be affected include: Tilshead, Orcheston, Shrewton and Berwick St James. The groundwater level at the Tilshead borehole is at 98.29m, and is expected to slowly fall. The forecast remains dry for the next 5 days. Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed. Residents may experience inundation of septic tanks and sewer systems. Properties may experience flooding in cellars in af
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Windwhistle | Groundwater Level | +0.53m | 69.09m |
| Stoford Cross | Groundwater Level | +0.49m | 67.38m |
| The Terraces Fonthill | Groundwater Level | +0.37m | 111.87m |
| Clarendon | Groundwater Level | +0.36m | 71.30m |
| Oakley Industrial Estate | Groundwater Level | +0.30m | 90.74m |
| Chitterne Down | Groundwater Level | +0.23m | 97.92m |
| Queen Manor Farm | Groundwater Level | +0.23m | 69.47m |
| Musseldean Copse | Groundwater Level | +0.10m | 134.45m |
| Everleigh | Groundwater Level | +0.09m | 128.58m |