Flood Warning Issued for Bourne Valley and The Collingbournes in Wiltshire

Alert Details

The Environment Agency has issued a Flood Warning (Severity Level 2) for the Bourne Valley - The Collingbournes. This alert indicates that flooding is expected due to high groundwater levels on the Salisbury Plain.

Affected Areas

The geographic scope of this warning includes the following locations in Wiltshire:

• Aughton
• Collingbourne Kingston
• Collingbourne Ducis

What You Should Do

Residents in the affected areas are advised to take the following actions:

• Prepare property resilience measures immediately.
• Ensure that water pumps are installed, functional, and switched on.
• Consider alternative power sources for pumps in the event of power cuts.
• Be aware that septic tanks and sewer systems may experience inundation.
• Exercise extreme caution when driving on flooded roads to ensure personal safety and prevent bow waves from flooding nearby properties.

Expected Conditions

Groundwater levels at the Everleigh borehole have reached 131.18m and remain highly reactive to further rainfall. In addition to groundwater issues, intense rainfall is expected to lead to surface water flooding. Residents should anticipate flooding of local roads and potential impacts on sewage infrastructure.

Timeline

This alert was officially raised on March 3, 2026. The Environment Agency is closely monitoring the situation and expects to provide an updated message by 3:45 PM on March 10, 2026, or sooner if conditions change significantly.