A Flood Alert was issued for Groundwater flooding in the Upper Aldbourne Valley in Wiltshire on 17th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Draycot Foliat rose 0.52m, peaking at 158.40m, while the Groundwater Level at Hazelberry Plantation climbed 0.25m.
Environment Agency advice issued
High groundwater levels may lead to flooding. Flooding of low-lying areas and roads is possible. Groundwater levels are now falling very gradually at our Water Acre borehole in the Upper Aldbourne Valley. We expect levels to remain high over the next few weeks and levels will remain sensitive to further sustained rainfall. Due to the nature of groundwater flooding, this situation could continue for several weeks or longer. We are closely monitoring rainfall and groundwater levels. Keep up to date with groundwater levels on the 'Get Flood Warnings' site on gov.uk. Take particular care when driv
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Draycot Foliat | Groundwater Level | +0.52m | 158.40m |
| Hazelberry Plantation | Groundwater Level | +0.25m | 125.81m |
| Water Acre | Groundwater Level | +0.21m | 143.38m |
| Longacre | Groundwater Level | +0.16m | 143.48m |
| Everleigh | Groundwater Level | +0.12m | 128.67m |