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This is an archived message. The status has changed more recently.
Flooding possible. Be prepared.
High groundwater levels may lead to flooding.
Flooding is possible from 19/02/2026 because of a very wet beginning to 2026.
Flooding could affect the ability of septic tanks to operate effectively. The River Test will be flowing in Deane and Ashe. Today (18/02/2026), up to 20mm of rain is forecast to affect Hampshire. From Thursday (19/02/2026) to Sunday (22/02/2026), small amounts of rain are forecast. Groundwater levels are expected to continue rising throughout February. It is possible that cellar flooding in Deane could occur within the next 2 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 . Including pumps used to help reduce water levels.
This message will be updated by 6:00PM on 25 February 2026 or as the situation changes.
Information supplied by the Environment Agency
This information last updated 11:08am, Wednesday 18th February.
This page is a dedicated URL for a specific message issued at a particular time. You should not bookmark this page, as the current situation may have changed since this message was issued.
Warning no longer in force
Wed 1 Apr 2026, 4:44pm
Flood alert
Wed 25 Mar 2026, 4:48pm
Flood alert
Wed 18 Mar 2026, 3:32pm
Flood alert
Wed 11 Mar 2026, 1:10pm
Flood alert
Wed 4 Mar 2026, 3:32pm
Flood alert
Wed 25 Feb 2026, 1:14pm
Flood alert
Wed 18 Feb 2026, 11:08am
Warning no longer in force
Mon 7 Apr 2025, 4:24pm
Flood alert
Mon 31 Mar 2025, 5:09pm
Flood alert
Mon 24 Mar 2025, 2:25pm
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.