A Flood Warning was issued for Groundwater flooding for the Pimperne Brook 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 Windwhistle rose 2.16m, peaking at 76.99m, while the Groundwater Level at Ridge Way climbed 1.69m.
Environment Agency advice issued
Groundwater levels in Cranborne Chase are beginning to plateau but remain high. Areas that could be affected include: Pimperne Brook at Pimperne. The groundwater level at Iwerne Hill Farm borehole is 112.03m and starting to fall steadily. A dry week apart from Thursday is expected with drier conditions returning over the weekend. Flooding of roads and some properties, especially basements is expected. Residents should continue to keep any property resilience measures such as pumps, flood barriers and air brick covers deployed. Further rainfall is forecast throughout the week which may see leve
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Windwhistle | Groundwater Level | +2.16m | 76.99m |
| 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 |