Groundwater flooding in Deane and Ashe in North Hampshire

Flood Alert

In Deane and Ashe groundwater levels are high and slowly continue to rise. Since the start of February 2020, 90mm of rain has been recorded in Overton. This is more than February’s monthly average rainfall, and follows a prolonged wet winter. The River Test will be flowing through Deane and Ashe. Rising groundwater will also affect the ability of septic tanks to operate properly. From tomorrow (Monday 17/02/2020) the weather outlook improves and only very small amounts of rain are forecast each day. We expect the groundwater level at Oakley will continue to rise over the next 10 days. It will also be sensitive to any additional rainfall over the next few weeks. In Deane, we’d like residents to prepare for cellar flooding impacts, which might just be possible by the end of February 2020. We continue to monitor the forecast. If you have pumps to reduce water levels, please ensure they can operate. We will update this Flood Alert by 12:00 on Friday 21/02/2020.

This information last updated 12:49pm, Sunday 16th February.

Flood Warning Area Details

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

Region: South East

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 fisk 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, Buckskin and Sherborne St John areas
Communities at risk of groundwater flooding in the Basingstoke, Buckskin and Sherborne St John areas

No current or recent warnings.

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