A Flood Alert was issued for Groundwater flooding in Hursley in Hampshire on 9th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Odstock rose 0.89m, peaking at 60.71m, while the Groundwater Level at Clarendon climbed 0.46m.
Environment Agency advice issued
Groundwater levels in Hursley are high but relatively stable. Widespread cellar flooding and sewerage system impacts are expected to be ongoing. Groundwater is currently close to the level that we expect isolated properties could experience internal ground floor flooding. Only a small amount of rain (between 10 and 20mm) is forecast to affect Hampshire between Monday 09/03/2026 and Friday 13/03/2026. Over the weekend and into next week, further unsettled weather is possible. Groundwater levels in Hursley will begin falling slowly this week, but further rain will prolong, and could increase, on
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Odstock | Groundwater Level | +0.89m | 60.71m |
| Clarendon | Groundwater Level | +0.46m | 72.73m |
| Queen Manor Farm | Groundwater Level | +0.28m | 70.33m |