A Flood Alert was issued for Groundwater flooding in Deane and Ashe in North Hampshire in Hampshire on 25th February 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Chapel Wood rose 0.25m, peaking at 111.12m.
Environment Agency advice issued
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 w
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Chapel Wood | Groundwater Level | +0.25m | 111.12m |