River Levels

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River Levels

Groundwater flooding in Twyford and Hensting

Message issued at 1:54pm, Monday 23rd February

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Flooding possible. Be prepared.

Flood alert

High groundwater levels may lead to flooding. 
Flooding is possible , as 31mm of rain has fallen in the last week. 
Groundwater levels are slowly rising. Flooding is affecting cellars of a small number of properties in Twyford and Hensting. Water is flowing on Hensting Lane. From Thursday 26/02/2026, a larger number of properties in Twyford could experience cellar flooding. From Monday 23/02/2026 to Wednesday 25/02/2026, dry weather is expected. Further rain (between 15 and 25mm) is forecast from Thursday 26/02/2026 into Friday 27/02/2026. Groundwater levels are expected to continue rising slowly into March. Water could begin to flow down the main road in Twyford in the next 2 weeks if heavy rain occurs. 
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 02 March 2026 or as the situation changes.

Information supplied by the Environment Agency

This information last updated 1:54pm, Monday 23rd February.

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Most recent flood warnings and alerts for Groundwater flooding in Twyford and Hensting

Flood Warning Area Details

Areas at risk of groundwater flooding in Twyford and Hensting in Hampshire

Region: Solent and South Downs

Country: England

Counties covered: Hampshire

Watercourses covered: Groundwater

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Groundwater flooding in Twyford and Hensting.

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).

Other Nearby Flood Warning Locations

Lower Itchen
River Itchen and tributaries from Otterbourne to Woodmill

No current or recent warnings.

Shawford to Bishopstoke on the River Itchen
Shawford, Twyford, Bambridge, Highbridge, Bishopstoke and Itchen Valley Country Park on the River Itchen

No current or recent warnings.

Winchester Itchen
River Itchen and tributaries from Headbourne Worthy to Otterbourne

No current or recent warnings.

Winchester
Winchester City Centre, from Riverside Park to Wharf Mill, on the River Itchen

No current or recent warnings.

Groundwater flooding in Hursley
Areas at risk of groundwater flooding in Hursley in Hampshire

No current or recent warnings.

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