A Flood Alert was issued for River Coln and its tributaries in Gloucestershire between 25th February 2026 and 20th March 2026. Affected watercourses included the River Coln, Dudgrove Brook.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Thames at Buscot Lock rose 2.86m, peaking at 2.97m, while the River Thames at St Johns Lock climbed 2.05m.
Environment Agency advice issued
High river levels may lead to flooding in some places. River levels are high on sections of the River Coln. Flooding of some low lying land and roads is expected to continue today, 20 March 2026, especially in the area around Fossebridge. The forecast is for a dry day today and remaining settled for the next few days. We expect river levels to fall gradually over the coming days. We are monitoring rainfall and river levels. Avoid low lying footpaths and roads near rivers, which may be flooded. Go to River Levels Online for updates on current river levels. This message will be updated by 10:00A
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Buscot Lock | River Thames | +2.86m | 2.97m |
| St Johns Lock | River Thames | +2.05m | 2.14m |
| Hannington Bridge | River Thames | +1.23m | 3.96m |
| Ampney St Peter | Ampney Brook | +0.68m | 0.47m |
| Inglesham | River Cole | +0.45m | 0.49m |
| Whetstone Bridge | Marston Meysey Brook | +0.45m | 0.66m |
| Lechlade | River Leach | +0.44m | 0.51m |
| Fairford | River Coln | +0.24m | 0.96m |
| Bibury | River Coln | +0.12m | 0.40m |
| Fosse Bridge | River Coln | +0.09m | 0.34m |