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Flooding possible. Be prepared.
Groundwater levels in Deane and Ashe are high but slowly falling. At the borehole in Oakley, the level peaked on Saturday 14/03/2026 and has since fallen by 7cm. Flooding could affect the ability of septic tanks to operate effectively. Dry weather is forecast from Wednesday 18/03/2026 to Sunday 22/03/2026. River levels and flood risk are likely to remain for weeks. We are closely monitoring the situation. Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed. This message will be updated by 18:00 25/03/2026.
Information supplied by the Environment Agency
This information last updated 3:32pm, Wednesday 18th March.
Areas at risk of groundwater flooding in Deane and Ashe in the Upper Test catchment in North Hampshire
Region: Solent and South Downs
Country: England
Counties covered: Hampshire
Watercourses covered: Groundwater
The area bounded in blue on the map shows the area covered by flood alerts and warnings for Groundwater flooding in Deane and Ashe in North Hampshire.
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.