A Flood Alert was issued for Groundwater flooding in Denton in East Sussex on 6th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Ouse at Anchor Gates rose 0.17m, peaking at 6.86m.
Environment Agency advice issued
Groundwater is high, close to the surface, but slowly rising again at the Houndean Bottom borehole. Springs will continue to appear, water could affect fields, the recreation ground, and a small number of cellars in Denton. Only small amounts of rain are forecast over the five days to 10/03/2026, and groundwater at Houndean Bottom borehole will continue to slowly fall over the coming week. Groundwater flood impacts are likely to stop being visible soon. There is a suggestion that unsettled conditions and periods of rain could return next week and through the second half of March 2026. However,
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Anchor Gates | River Ouse | +0.17m | 6.86m |