A Flood Alert was issued for Groundwater flooding in Pitton, West Tytherley, Nether Wallop and Broughton in Hampshire, Wiltshire on 23rd February 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The Groundwater Level at Homington rose 1.15m, peaking at 73.92m, while the Groundwater Level at Windwhistle climbed 0.68m.
Environment Agency advice issued
High groundwater levels may lead to flooding. Flooding is possible . Mostly light rain (23mm) has fallen in the last week. Groundwater levels are slowly rising in all villages. Flooding is affecting cellars of properties in Nether Wallop and Pitton. Sewerage system impacts are expected to be ongoing in Pitton. In Over Wallop, ponding of water will affect gardens. In Broughton, rising river and groundwater will cause land flooding which could begin to affect property. Dry weather is expected until Wednesday 25/02/2026. Further rain (between 15 and 25mm) is forecast from Thursday 26/02/2026 in
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Homington | Groundwater Level | +1.15m | 73.92m |
| Windwhistle | Groundwater Level | +0.68m | 80.40m |
| Stoford Cross | Groundwater Level | +0.47m | 71.85m |
| Odstock | Groundwater Level | +0.33m | 64.78m |
| Queen Manor Farm | Groundwater Level | +0.28m | 71.27m |
| Oakley Industrial Estate | Groundwater Level | +0.24m | 96.13m |
| Clarendon | Groundwater Level | +0.18m | 74.16m |
| Hazelberry Plantation | Groundwater Level | +0.12m | 126.96m |
| Chitterne Down | Groundwater Level | +0.09m | 101.25m |