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Flood Warning

Flood Warning: Groundwater flooding for the South Winterbourne Valley - 23rd February 2026

📍 Dorset Council 🌊 Groundwater 📅 23 February 2026

A Flood Warning was issued for Groundwater flooding for the South Winterbourne Valley in Dorset Council on 23rd February 2026. Affected watercourses included the Groundwater.

During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Bank Barrow rose 1.99m, peaking at 58.07m, while the Groundwater Level at Ridge Way climbed 0.87m.

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 121.43m. Residents may experience inundation of septic tanks and sewer systems. Properties may experience flooding in cellars in affected areas. Flooding of roads is expected. Roads may be damaged by floodwater. We are closely monitoring the situation . If you have

Monitoring gauges during this event

StationRiverRisePeak
Bank Barrow Groundwater Level +1.99m 58.07m
Ridge Way Groundwater Level +0.87m 84.18m
Dickley Down Groundwater Level +0.67m 164.63m
Delcombe Wood Groundwater Level +0.53m 142.42m
Kingston Russell Groundwater Level +0.21m 121.52m
Doles Ash Groundwater Level +0.21m 122.52m
Ashton Farm Groundwater Level +0.12m 71.41m

This report is automatically compiled from Environment Agency flood warning records and FloodRadar river-level monitoring data. Figures are observed gauge readings during the event period. This is a historical record, not a live warning — always check current flood warnings and gov.uk.