Flood Alert Issued for Groundwater in Twyford and Hensting, Hampshire

Alert Details

The Environment Agency has issued a Flood Alert (Severity Level 3) for groundwater flooding in the Twyford and Hensting areas. The alert was officially raised on March 2, 2026, at 11:44 AM.

Affected Areas

The alert specifically covers Twyford and Hensting within the county of Hampshire, located in the Solent and South Downs region. Flooding is currently reported to be affecting a small number of cellars in these communities, and water is flowing across Hensting Lane.

What You Should Do

Residents in the warning area are advised to prepare property resilience measures immediately. It is essential to ensure that any installed water pumps are in good working order and ready for use.

Expected Conditions

Groundwater levels in the region are currently high but have begun to fall slowly. While cellar flooding and surface water on Hensting Lane remain concerns, the weather forecast is favorable. Mostly dry weather is expected from Monday, March 2, through Friday, March 6, 2026. Consequently, groundwater levels are projected to continue their slow decline throughout the week.

Timeline

The alert is effective as of March 2, 2026. 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 9, 2026.