River Levels
River Levels

Groundwater flooding in Deane and Ashe in North Hampshire

Flood alert

Groundwater levels in Deane and Ashe are high and rising slowly. In the last 2 weeks, 150% of the long term average monthly rainfall (84mm) has been recorded at Overton. At our borehole in Oakley, levels have risen by 10cm since Saturday (17/02/2024). We expect properties in Deane to be experiencing cellar flooding. Groundwater spring-flows are impacting land and roads. Septic tanks are struggling to operate effectively. There is potential for further rainfall on Wednesday (21/02/2024) and Thursday (22/02/2024), with up to 30mm of rain forecast in Hampshire across these two days. If heavy rain continues to affect the area over the next couple of weeks, it is possible that the access road from the B3400 into Deane (at Deane Park) will need to be closed before the end of February. We continue to monitor the forecast. If you have pumps to help reduce water levels, please ensure that they are operating. This Flood Alert will be updated by 18:00 on Tuesday (27/02/2024).

Information supplied by the Environment Agency

This information last updated 5:26pm, Tuesday 20th February.

Flood Warning Area Details

Areas at risk of groundwater flooding in Deane and Ashe in the Upper Test catchment in North Hampshire

Region: Solent and South Downs

Country: England

Counties covered: Hampshire

Watercourses covered: Groundwater

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Groundwater flooding in Deane and Ashe in North Hampshire.

Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).

Other Nearby Flood Warning Locations

Overton, Laverstoke and Whitchurch on the River Test
Upper Test from Overton to Whitchurch including Laverstoke

No current or recent warnings.

Overton to Whitchurch
River Test from Overton to Whitchurch

No current or recent warnings.

Groundwater flooding in the Basingstoke and Buckskin areas
Communities at risk of groundwater flooding in the Basingstoke and Buckskin areas

No current or recent warnings.

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