River Levels
River Levels

Groundwater flooding in the Henley and Assendon area

Flood alert

Groundwater levels are high but currently stable at our Stonor borehole near Henley and Assendon as a result of recent rainfall. Groundwater levels are above normal for this time of year and have now reached a level where communities may be affected by groundwater flooding within the next few weeks. Groundwater levels remain sensitive to further rainfall due to saturated ground and high groundwater levels. Low-lying land and roads will therefore continue to be at risk of flooding. Due to the nature of groundwater flooding, this situation could continue for several weeks or longer. We are continuing to monitor groundwater levels and will update this message next week by 29/03/2024, or as the situation changes.

Information supplied by the Environment Agency

This information last updated 12:51pm, Friday 22nd March.

Flood Warning Area Details

Communities at risk of groundwater flooding including Turville, Skirmett, Stoner, Middle and Lower Assendon and parts of Henley

Region: Thames

Country: England

Counties covered: Buckinghamshire, Oxfordshire

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 the Henley and Assendon area.

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

River Thames for Henley, Remenham, Medmenham and its tributaries
River Thames for Henley, Remenham and Medmenham; including Middle and Lower Assendon on the Assendon Stream, and Skirmett and Hambleden on the Hambledon Brook

River Thames for Henley, Remenham, and Medmenham
River Thames from Henley down to Medmenham including Remenham and Mill End

No current or recent warnings.

River Thames for Shiplake, Lower Shiplake and Wargrave
River Thames for Shiplake, Lower Shiplake and Wargrave

River Thames for Shiplake, Lower Shiplake and Wargrave
River Thames from Shiplake to Bolney Court near Henley including Lower Shiplake and Wargrave

No current or recent warnings.

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