Flood alert for Groundwater flooding in Deane and Ashe in North Hampshire
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High groundwater levels may lead to flooding.
Flooding is possible . Mostly light rain (18mm) has fallen in the last week.
Flooding is affecting the ability of septic tanks to operate effectively. The River Test will be flowing in Deane and Ashe. Today 25/02/2026, dry weather is expected. From Thursday 26/02/2026 to Sunday 01/03/2026, further rain (between 15 and 35mm) is forecast to affect Hampshire. If heavy rain affects the area, groundwater levels will continue rising through much of March 2026. If levels continue to rise at their current rate, cellar flooding in Deane could begin next week.
We are closely monitoring the situation .
Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed , including pumps used to help reduce water levels.
This message will be updated by 6:00PM on 04 March 2026 or as the situation changes.
Flood alert area: Areas at risk of groundwater flooding in Deane and Ashe in the Upper Test catchment in North Hampshire.
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