A Flood Warning was issued for Groundwater flooding for the South Winterbourne Valley in Dorset Council on 9th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Delcombe Wood rose 1.12m, peaking at 137.32m, while the Groundwater Level at Ridge Way climbed 1.02m.
Environment Agency advice issued
High groundwater levels are expected to cause flooding. Groundwater levels in West Dorset remain high. Areas that could be affected include: Winterbourne Abbas, Winterbourne Steepleton, Martinstown, Winterbourne Monkton, Winterbourne Herringston and Winterbourne Came. The groundwater level at the Kingston Russell borehole remains at 119.53m. Levels are falling slowly but still remain high. Some rainfall is forecast for later in the week. Residents may experience inundation of septic tanks and sewer systems. Properties may experience flooding in cellars in affected areas. Flooding of roads is e
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Delcombe Wood | Groundwater Level | +1.12m | 137.32m |
| Ridge Way | Groundwater Level | +1.02m | 77.36m |
| Kingston Russell | Groundwater Level | +0.50m | 119.76m |
| Bank Barrow | Groundwater Level | +0.46m | 52.81m |
| Doles Ash | Groundwater Level | +0.25m | 120.91m |
| Dickley Down | Groundwater Level | +0.18m | 160.75m |
| Upwey Culvert | River Wey | +0.08m | 0.12m |