A Flood Alert was issued for Minor Watercourses from Heighington to Dunston in Lincolnshire between 12th and 13th March 2026. Affected watercourses included the Heighington Beck, Dunston Beck.
During this event, FloodRadar monitoring gauges recorded notable rises. The Sincil Dyke at Lincoln Monson Street rose 1.10m, peaking at 1.39m, while the River Witham at Stamp End Sluice climbed 0.73m.
Environment Agency advice issued
River levels remain high following recent rainfall. Flooding is possible on the 13th March 2026. Locations most affected will be low lying land and roads near rivers. Our forecasts indicate that flooding to properties isn't likely and therefore flood warnings are not expected to be issued. We are closely monitoring the situation. Take care and avoid walking, cycling or driving through flood water. Avoid low lying roads, near rivers which may be flooded. This message will be updated by 11am on 14th March 2026 or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Lincoln Monson Street | Sincil Dyke | +1.10m | 1.39m |
| Stamp End Sluice | River Witham | +0.73m | 0.93m |
| Brayford Pool | River Witham | +0.41m | 0.59m |
| Bargate Weir | River Witham | +0.31m | 0.43m |
| Bracebridge | River Witham | +0.31m | 0.77m |
| Nettleham | Nettleham Beck | +0.22m | 0.43m |
| Heighington Beck | Heighington Beck | +0.19m | 0.30m |