A Flood Alert was issued for Groundwater flooding in Hursley in Hampshire on 16th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Odstock rose 0.53m, peaking at 58.88m, while the Groundwater Level at Clarendon climbed 0.39m.
Environment Agency advice issued
Groundwater levels in Hursley are high but very slowly falling. In the last week, the level at the borehole in Hursley has fallen by 9cm. Widespread cellar flooding and sewerage system impacts are expected to be ongoing. Dry weather is forecast from Monday 16/03/2026 to Friday 20/03/2026. Groundwater levels will continue slowly falling over the next week. Flooding impacts will continue to affect Hursley throughout March and into April. We are closely monitoring the situation. Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been in
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Odstock | Groundwater Level | +0.53m | 58.88m |
| Clarendon | Groundwater Level | +0.39m | 71.68m |
| Queen Manor Farm | Groundwater Level | +0.25m | 69.72m |
| Chandler's Ford | Monks Brook | +0.06m | 0.20m |