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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. Bands of rain are forecast to move across the country on Wednesday 11/03/2026 and Friday 13/03/2026. However, only relatively small amounts of rain are currently predicted, and groundwater at Compton borehole is expected to continue to fall. It is probable that groundwater will continue to fall throughout March, although groundwater groundwater flood impacts may not reduce until April. If there is persistent, or exceptional rainfall in late March, groundwater flood impacts may remain for longer. Take care on roads that flood (Stoughton, Walderton). Ensure pumps work. We will update this message by 18:00 13/03/2026.
Information supplied by the Environment Agency
This information last updated 10:29am, Monday 9th 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.
No current or recent warnings.
No current or recent warnings.