Flood Alert Issued for Groundwater in Bramdean and Cheriton, Hampshire

Alert Details

The Environment Agency has issued a flood alert for groundwater flooding in the Bramdean and Cheriton areas of Hampshire. The alert (ID: 065FAG010) was raised on February 23, 2026, at 1:52 PM following a period of rising groundwater levels.

Affected Areas

The alert specifically covers the villages of Bramdean and Cheriton within the Solent and South Downs area of Hampshire. Currently, flooding is affecting the cellars of a small number of properties in Cheriton, and septic tanks in the area are reported to be struggling to operate effectively.

What You Should Do

Residents in the affected areas are advised to prepare property resilience measures immediately. Those with installed flood pumps should ensure they are in good working order. The Environment Agency is closely monitoring the situation as groundwater levels continue to rise.

Expected Conditions

Groundwater levels are rising following approximately 22mm of rainfall over the past week. While dry weather is expected from Monday, February 23, through Wednesday, February 25, further rainfall between 15mm and 25mm is forecast for Hampshire on Thursday and Friday (February 26-27). These conditions are expected to cause groundwater levels to continue rising into March 2026.

Timeline

The alert is currently in effect as of February 23, 2026. Increased road and cellar flooding in both Bramdean and Cheriton is anticipated within the next week, with Bramdean properties specifically at risk of cellar flooding starting Thursday, February 26. The Environment Agency plans to provide an update on the situation by 6:00 PM on March 2, 2026, or sooner if conditions change significantly.