Flood Warning Issued for Groundwater Flooding in Avon Valley from Amesbury to Salisbury

Flood Warnings high Environment Agency · · Avon Valley, Wiltshire

The Environment Agency has issued a flood warning for the Avon Valley in Wiltshire as groundwater levels remain high, with further rainfall expected to impact the region.

Alert Details

The Environment Agency has issued a Flood Warning for groundwater flooding in the Avon valley, extending from Amesbury to the north of Salisbury. This warning indicates that flooding is expected and immediate action is required for those in the affected area.

Affected Areas

The warning specifically covers the Avon Valley within the Wessex area of Wiltshire. Key locations identified include:

  • Amesbury
  • Great Durnford
  • Upper Woodford
  • Middle Woodford
  • Lower Woodford

What You Should Do

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

  • Prepare and implement property resilience measures.
  • Ensure that any installed flood pumps are functional and switched on.
  • Identify alternative power sources for pumps in the event of a power outage.
  • Be aware that septic tanks and sewer systems may become inundated.

Expected Conditions

Groundwater levels across Salisbury Plain remain high despite a recent period of drier weather. The borehole at Stoford Cross has recorded a level of 71.43m. While levels are currently beginning to plateau, further rainfall is forecast to begin on Thursday, February 26, which may cause groundwater levels to rise again through the weekend. Residents should expect flooding in cellars and on local roads.

Timeline

This alert was issued on March 5, 2026. The Environment Agency is closely monitoring the situation and expects to provide an update by 2:30 PM on March 11, 2026, or sooner if conditions change significantly.

Source: Environment Agency Official Notice