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Groundwater flooding in Denton

Message issued at 4:19pm, Monday 23rd February

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Flooding possible. Be prepared.

Flood alert

Groundwater is high, close to the surface, but slowly rising again at the Houndean Bottom borehole. Springs will appear, water will affect fields, the recreation ground, and a small number of cellars in Denton. Only isolated showers are forecast Monday to Wednesday 25/02/2026. Groundwater should continue to fall over the next few days. On Thursday 26/02/2026 a weather front is forecast to bring widespread rainfall. There is uncertainty in rainfall amounts, and predictions may change, but it is probable that groundwater at Houndean Bottom borehole will rise again from Friday 27/02/2026 through to next week. Groundwater levels should not rise significantly higher than they have been so far this winter. Groundwater flood impacts could continue until the middle of March. Groundwater may rise for longer, if more rain falls. Weather could remain unsettled through March, although perhaps with rain less often. Take care on roads that flood (Denton Road). Ensure pumps work. We will monitor, and update this message by 18:00 27/02/2026.

Information supplied by the Environment Agency

This information last updated 4:19pm, Monday 23rd February.

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Most recent flood warnings and alerts for Groundwater flooding in Denton

Flood Warning Area Details

Areas at risk of groundwater flooding in Denton including Denton Road, Vicarage Close, and South Heighton.

Region: Solent and South Downs

Country: England

Counties covered: East Sussex

Watercourses covered: Groundwater

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Groundwater flooding in Denton.

Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).

Other Nearby Flood Warning Locations

Piddinghoe, Southease and South Heighton on the River Ouse
Sussex River Ouse at Piddinghoe, South Heighton and Southease, including northernmost properties on The Street, Rodmell

No current or recent warnings.

Tidal areas of Newhaven
Tidal areas of Newhaven including Newhaven Marina, West Quay, Riverside North, Denton Island, and the East bank

No current or recent warnings.

Newhaven
Newhaven including Avis Way Industrial estate, Newhaven Marina, the A26, A259, West Quay, Riverside North, Denton Island, and the east bank

No current or recent warnings.

Coastal areas of Seaford seafront
Coastal areas of Seaford seafront including The Esplanade, areas behind and near the Martello Tower, Buckle Caravan and Camping Park and Salts Recreation Ground

No current or recent warnings.

Seaford seafront
Coastal areas of Seaford seafront including The Esplanade, areas behind and near the Martello Tower, Buckle Caravan and Camping Park and Salts Recreation Ground

No current or recent warnings.

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