A Flood Alert was issued for Upper Bristol Avon area in Gloucestershire, South Gloucestershire, Wiltshire between 25th February 2026 and 1st March 2026. Affected watercourses included the Bristol River Avon.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Avon at Great Somerford rose 2.05m, peaking at 0.81m, while the Dauntsey Brook at Dauntsey climbed 0.64m.
Environment Agency advice issued
High river levels today may lead to flooding. Flooding is possible on 1 March 2026. River levels at the Fosseway, Brokenborough, Great Somerford and Dauntsey gauges are falling slowly. Flooding is possible at locations near the Bristol Avon, Tetbury Avon, Sherston Avon, Dauntsey Brook, with low lying land and roads expected to be most affected, particularly around low lying areas in Tetbury, Badminton, Brook End at Luckington, Corsham, Lacock and the road at Reybridge. We are closely monitoring the situation. Please avoid using low lying footpaths and any bridges near local watercourses. This
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Great Somerford | River Avon | +2.05m | 0.81m |
| Dauntsey | Dauntsey Brook | +0.64m | 0.87m |
| Crabb Mill | Woodbridge Brook | +0.41m | 0.80m |
| Corsham | River Avon | +0.30m | 0.35m |
| Bathford | River Avon | +0.21m | 1.41m |
| Bradford on Avon | River Avon | +0.15m | 1.45m |
| Rodbourne | Gauze Brook | +0.09m | 0.37m |
| Bath Destructor Bridge | River Avon | +0.08m | 3.54m |
| St Johns Weir | Sherston Avon | +0.08m | 0.47m |