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Flooding possible. Be prepared.
High groundwater levels may lead to flooding.
Flooding is possible as a lot of rain (45mm) has fallen in the last week.
Flooding is affecting the ability of septic tanks to operate effectively. In Preston Candover and Old Alresford, a small number of properties are expected to be experiencing cellar flooding. From today (Wednesday 11/02/2026) until Sunday (15/02/2026), further rain (between 20 and 50mm) is forecast to affect Hampshire. Groundwater levels in the Candovers and Old Alresford are expected to continue rising throughout the next week. At the current rate of rise, isolated properties in Old Alresford could experience internal ground floor flooding from early next 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 18 February 2026 or as the situation changes.
Information supplied by the Environment Agency
This information last updated 12:15pm, Wednesday 11th February.
Areas at risk of groundwater flooding in Preston Candover, Chilton Candover, Brown Candover and Old Alresford in 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 the Candovers and Old Alresford.
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.