A Flood Alert was issued for Groundwater flooding in Hursley in Hampshire on 23rd February 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Odstock rose 0.33m, peaking at 64.78m, while the Groundwater Level at Queen Manor Farm climbed 0.28m.
Environment Agency advice issued
High groundwater levels may lead to flooding. Flooding is possible , as a lot of rain (31mm) has fallen in the last week. Widespread cellar flooding and sewerage system impacts are expected to be ongoing. Groundwater levels are now stable around the level where internal ground floor flooding is expected to begin affecting a small number of properties. From Monday 23/02/2026 to Wednesday 25/02/2026, dry weather is expected. Further rain (between 15 and 25mm) is forecast in Hampshire from Thursday 26/02/2026 into Friday 27/02/2026. If heavy rain affects Hursley, groundwater levels will rise ag
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Odstock | Groundwater Level | +0.33m | 64.78m |
| Queen Manor Farm | Groundwater Level | +0.28m | 71.27m |
| Clarendon | Groundwater Level | +0.18m | 74.16m |
| Chandler's Ford | Monks Brook | +0.07m | 0.22m |