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Flooding possible. Be prepared.
Groundwater levels at the borehole in Finchdean are very slowly falling. In the last week, the level has fallen by 9cm.
Flooding is expected to be affecting a small number of cellars in Finchdean, Dean Lane End and Rowlands Castle. Road flooding will be deep in all villages. Sewerage system impacts could also be possible. Mostly dry weather is forecast from Monday 02/03/2026 to Friday 06/03/2026. Groundwater levels will continue to slowly fall over the next week.
We are closely monitoring the situation.
Please do not walk or drive through flood water.
This message will be updated by 18:00 09/03/2026.
Information supplied by the Environment Agency
This information last updated 11:37am, Monday 2nd March.
Areas at risk of groundwater flooding in Finchdean, Dean Lane End, Idsworth and Rowlands Castle
Region: Solent and South Downs
Country: England
Counties covered: Hampshire, 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 Finchdean, Dean Lane End and Rowlands Castle.
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.
Recent warnings no longer in force.