A Flood Alert was issued for Whiston Brook catchment in Rotherham on 30th August 2026. Affected watercourses included the Whiston Brook.
During this event, FloodRadar monitoring gauges recorded notable rises. The Ulley Brook at Canklow Washlands rose 0.50m, peaking at 0.62m, while the River Rother at Canklow Regulator climbed 0.49m.
Environment Agency advice issued
Rising river levels today may lead to flooding. Flooding is possible on 30 August 2026 overnight and into 31st August 2026. Locations most affected are Whiston Brook at Whiston. Showers may be thundery and cause rapid localised river and surface water response in urban areas. We are closely monitoring the situation . Take care and avoid walking, cycling or driving through flood water . This message will be updated by 9:00AM on 31 August 2026 or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Canklow Washlands | Ulley Brook | +0.50m | 0.62m |
| Canklow Regulator | River Rother | +0.49m | 24.59m |
| Catcliffe | River Rother | +0.47m | 25.99m |
| Catcliffe Drain | Catcliffe Drain | +0.37m | 26.01m |
| Woodhouse Mill Regulator | River Rother | +0.32m | 0.66m |
| Woodhouse Mill | River Rother | +0.31m | 0.87m |
| Whiston Brook | Whiston Brook | +0.24m | 0.28m |
| Rotherham | River Don | +0.21m | 0.30m |
| Rotherham Forge Island | River Don | +0.18m | 0.42m |
| Hadfields | River Don | +0.11m | 0.45m |