Flood Alert Issued for Great Shefford Area Due to Rising Groundwater

Alert Details

The Environment Agency has issued a flood alert for the Great Shefford area. This alert, classified as severity level 3, was officially raised on February 17, 2026, at 11:32 AM. The alert is in response to rising groundwater levels in the Thames area.

Affected Areas

The geographic scope of this alert is centered on the Great Shefford area within the county of West Berkshire. The Environment Agency is specifically monitoring the Thames area for impacts related to groundwater levels.

What You Should Do

Residents in the warning area are advised to take the following actions:

• Prepare property resilience measures to mitigate potential water damage.
• Ensure that any installed water pumps are in good working order and ready for use.

Expected Conditions

Groundwater levels are currently rising at the Northfield Farm borehole in the Great Shefford area. Officials expect levels to continue to rise over the next few weeks as a result of rain that has already fallen across the region. Due to the unique nature of groundwater flooding, the Environment Agency warns that this situation could continue for several weeks or longer.

Timeline

The alert was issued on February 17, 2026. The Environment Agency is closely monitoring the situation and expects to provide an update by 12:00 PM on February 24, 2026, or sooner if the situation changes significantly.