A Flood Alert was issued for Groundwater flooding in West Dean, Singleton, Charlton, East Dean and Chilgrove in West Sussex on 20th March 2026. Affected watercourses included the Groundwater.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Rother at Lodsbridge rose 0.11m, peaking at 1.05m.
Environment Agency advice issued
Groundwater is high, very close to the surface, but now falling. Springs will continue to appear, water will be in fields, small amounts of water will flow down roads, groundwater will affect the ability of the sewage network to operate in East Dean, Charlton, Singleton and West Dean, and may appear in a small number of basements. No rain is forecast over the next 5 days to Tuesday 24/03/2026. Groundwater at both Chilgrove and East Dean boreholes is expected to continue to fall. It is probable that groundwater will continue to fall throughout March, although groundwater flood impacts may not r
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Lodsbridge | River Rother | +0.11m | 1.05m |