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Flooding possible. Be prepared.
High groundwater levels may lead to flooding.
Flooding is possible , as a lot of rain (56mm) has fallen in the last week.
The Idsworth and Chalton Lavants are now flowing. Flooding is expected in Finchdean, including the flooding of Chalton Road. Road flooding will be deep in all villages. Cellar flooding is expected in Dean Lane End and Rowlands Castle. Pumps which may prevent water from entering property will be required. Surface water flooding may occur during heavier rain events. Small amounts of rain are forecast from today (09/02/2026) until Thursday (12/02/2026). Groundwater levels at the borehole in Finchdean are expected to continue rising throughout this week.
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 6:00PM on 16 February 2026 or as the situation changes.
Information supplied by the Environment Agency
This information last updated 11:43am, Monday 9th February.
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.
No current or recent warnings.