A Flood Alert was issued for Groundwater flooding in Hursley in Hampshire on 23rd March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Odstock rose 0.35m, peaking at 57.73m, while the Groundwater Level at Clarendon climbed 0.27m.
Environment Agency advice issued
Groundwater levels in Hursley are high but slowly falling. The level at the borehole in Hursley has fallen by 30cm in the last week. Widespread cellar flooding and sewerage system issues are expected to be ongoing in the village. Only very small amounts of rain are forecast from Monday 23/03/2026 to Friday 27/03/2026. Groundwater levels will continue to slowly fall but flooding impacts will affect Hursley into mid-April. We are closely monitoring the situation. Residents are advised to ensure that pumps are working where they have been installed. This message will be updated by 18:00 30/03/202
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Odstock | Groundwater Level | +0.35m | 57.73m |
| Clarendon | Groundwater Level | +0.27m | 70.84m |
| Queen Manor Farm | Groundwater Level | +0.18m | 69.17m |
| Chandler's Ford | Monks Brook | +0.07m | 0.20m |