A Flood Warning was issued for Groundwater flooding for the Iwerne in Dorset Council on 2nd March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Ridge Way rose 1.69m, peaking at 80.96m, while the Groundwater Level at Woodyates climbed 1.69m.
Environment Agency advice issued
High groundwater levels are expected to cause flooding. The groundwater level at the Iwerne Hill Farm borehole is at 112.02m, levels are starting to fall steadily but still remain high.. This week will be dry except Thursday and drier conditions continue into the weekend. Areas that could be affected include: Iwerne Minster. 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. Flooding
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Ridge Way | Groundwater Level | +1.69m | 80.96m |
| Woodyates | Groundwater Level | +1.69m | 102.42m |
| Iwerne Hill Farm | Groundwater Level | +1.35m | 112.58m |
| Delcombe Wood | Groundwater Level | +1.33m | 140.24m |
| The Terraces Fonthill | Groundwater Level | +0.78m | 116.11m |
| Badbury Rings | Groundwater Level | +0.76m | 37.31m |
| Doles Ash | Groundwater Level | +0.55m | 122.00m |
| Horton Inn | Groundwater Level | +0.45m | 41.97m |
| Ashmore | Groundwater Level | +0.32m | 134.85m |
| Musseldean Copse | Groundwater Level | +0.27m | 135.17m |