A Flood Warning was issued for Groundwater flooding in the Bourne Valley - The Collingbournes in Wiltshire on 3rd March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Stoford Cross rose 0.91m, peaking at 71.04m, while the Groundwater Level at Everleigh climbed 0.90m.
Environment Agency advice issued
High groundwater levels are expected to cause flooding. Groundwater levels on the Salisbury Plain remain high. Areas that could be affected include: Aughton, Collingbourne Kingston and Collingbourne Ducis. The groundwater level at the Everleigh borehole is at 131.18m, and remains reactive to further rainfall. 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. Flooding of roads is expected, take particular care when driving, both for your own safety
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Stoford Cross | Groundwater Level | +0.91m | 71.04m |
| Everleigh | Groundwater Level | +0.90m | 131.61m |
| Chitterne Down | Groundwater Level | +0.70m | 100.33m |
| Draycot Foliat | Groundwater Level | +0.58m | 160.60m |
| Clarendon | Groundwater Level | +0.47m | 73.70m |
| Queen Manor Farm | Groundwater Level | +0.22m | 70.84m |
| Hazelberry Plantation | Groundwater Level | +0.19m | 126.77m |
| Water Acre | Groundwater Level | +0.11m | 143.98m |