A Flood Warning was issued for Groundwater flooding for the Iwerne in Dorset Council on 16th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Ridge Way rose 1.09m, peaking at 75.01m, while the Groundwater Level at Woodyates climbed 0.98m.
Environment Agency advice issued
High groundwater levels are expected to cause flooding. Flooding is expected from 14:00 on 16/03/2026. Areas that could be affected include: Iwerne Minster. The groundwater level at the Iwerne Hill Farm borehole is 108.14m, and is slowly falling. There is no rainfall forecast in the next few 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 affected areas. We are closely monitoring the situati
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Ridge Way | Groundwater Level | +1.09m | 75.01m |
| Woodyates | Groundwater Level | +0.98m | 96.25m |
| Iwerne Hill Farm | Groundwater Level | +0.81m | 108.64m |
| Badbury Rings | Groundwater Level | +0.54m | 34.10m |
| The Terraces Fonthill | Groundwater Level | +0.46m | 112.33m |
| Delcombe Wood | Groundwater Level | +0.46m | 134.86m |
| Doles Ash | Groundwater Level | +0.31m | 120.34m |
| Musseldean Copse | Groundwater Level | +0.10m | 134.55m |
| Ashmore | Groundwater Level | +0.07m | 134.07m |