Flood Alert Issued for Villages Surrounding Andover Due to Rising Groundwater

Alert Details

The Environment Agency has issued a Flood Alert (Severity Level 3) for groundwater flooding in the villages surrounding Andover. This alert, managed by the Solent and South Downs office, remains in effect as groundwater levels remain exceptionally high across the region.

Affected Areas

The alert covers specific geographic regions within Hampshire and Wiltshire. Impacted locations include:

• Appleshaw: Cellar flooding and sewerage system impacts.
• Hatherden: Ongoing cellar flooding.
• Penton Grafton: Cellar flooding and flooding of the main road.
• Penton Mewsey: Sewerage system impacts.

What You Should Do

Residents in the affected villages are advised to take the following precautions:

• Prepare and implement property resilience measures.
• Ensure that any installed water pumps are in good working order.
• Remove valuables and sensitive items from cellars and low-lying areas.
• Monitor local conditions and road closures.

Expected Conditions

While groundwater levels are currently high enough to cause localized flooding of cellars and infrastructure, the immediate meteorological outlook is improving. Dry weather is forecast to persist from Wednesday, March 18, 2026, through Sunday, March 22, 2026.

Timeline

The alert was officially raised on March 18, 2026. Groundwater levels are projected to fall slowly throughout the coming week. The Environment Agency is closely monitoring the situation and expects to provide a formal update on the status of this alert by 18:00 on March 25, 2026.