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Flooding possible. Be prepared.
Groundwater is high, very close to the surface, but slowly falling at the Compton borehole. Springs will continue to appear, water will be in fields, and water will flow down roads, including Stoughton main road, the road from East Marden, between Cooks Lane and Barley Mow in Walderton, and the B2146 near Woodlands Lane. Groundwater will also affect a small number of cellars in Stoughton and Walderton. Only small amounts of rain are forecast over the five days to 06/03/2026, and groundwater at Compton borehole will continue to slowly fall over the coming week. There is a suggestion that high pressure, settled conditions, and only small amounts of rain could continue in the south east of England through the first half of March 2026. Which would allow groundwater to fall for longer. However, with groundwater so high, groundwater flood impacts are still likely to continue until at least the middle of March. Take care on roads that flood (Stoughton, Walderton). Ensure pumps work. We will update this message by 18:00 06/03/2026.
Information supplied by the Environment Agency
This information last updated 5:03pm, Monday 2nd March.
Areas at risk of groundwater flooding on the upper River Ems at Compton, West Marden, Stoughton, Walderton and Racton
Region: Solent and South Downs
Country: England
Counties covered: West Sussex
Watercourses covered: Groundwater
The area bounded in blue on the map shows the area covered by flood alerts and warnings for Groundwater flooding in upper River Ems Valley.
Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
Recent warnings no longer in force.
No current or recent warnings.