📢 Please take a minute to read this personal message from the creator of River Levels UK
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 . Mostly light rain (19mm) has fallen in the last week.
At Vernham Dean, the groundwater level has started to stabilise. Flooding is affecting a small number of cellars in Upton. Septic tanks will also struggle to operate properly. On Tuesday 24/02/2026, Wednesday 25/02/2026 and Saturday 28/02/2026, the weather is expected to be dry. From Thursday 26/02/2026 into Friday, further rain (between 15 and 25mm) is forecast to affect Hampshire. If heavy rain affects the Bourne Valley, levels will rise for another 2 weeks. Cellar flooding and sewerage system impacts in St Mary Bourne, Hurstbourne Tarrant, Stoke, and Vernham Dean could occur during March.
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 , especially if you are in Upton.
This message will be updated by 6:00PM on 03 March 2026 or as the situation changes.
Information supplied by the Environment Agency
This information last updated 4:41pm, Tuesday 24th 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Warning no longer in force
Tue 17 Mar 2026, 4:18pm
Flood alert
Tue 10 Mar 2026, 4:38pm
Flood alert
Tue 3 Mar 2026, 11:43am
Flood alert
Tue 24 Feb 2026, 4:41pm
Flood alert
Wed 18 Feb 2026, 11:15am
Flood alert
Wed 11 Feb 2026, 12:05pm
Flood alert
Sat 7 Feb 2026, 10:16am
Warning no longer in force
Thu 27 Mar 2025, 11:15am
Flood alert
Thu 20 Mar 2025, 4:05pm
Flood alert
Thu 13 Mar 2025, 4:15pm
Communities at risk of groundwater flooding in Vernham Dean, Upton and the Bourne Valley in North Hampshire including Hurstbourne Tarrant and St Mary Bourne
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 Vernham Dean, Upton and the Bourne Valley.
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.