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River Levels

Groundwater flooding in Denton

Message issued at 10:12am, Tuesday 10th February

This is an archived message. The status has changed more recently.

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Flooding possible. Be prepared.

Flood alert

Groundwater is high, but slowly falling at the Houndean Bottom borehole. Springs will appear, water will affect fields, the recreation ground, and a small number of cellars in Denton. Isolated showers are forecast Tuesday, with another 10-20mm of rain possible Wednesday evening, and showers to the weekend. Groundwater may slowly rise again at Houndean Bottom borehole from Thursday evening, through to Sunday (15/02/2026), but probably not far, and may instead remain stable or fall. The weather outlook remains unsettled. More rain is predicted on Sunday and Monday (16/02/2026). It is possible that groundwater at Houndean Bottom will rise again next week, through to 20/02/2026, but depends on amounts and intensity of rain, which is uncertain. If we get a lot of rain next week, then a small amount of water may appear on Denton Road, may flow towards Vicarage Close and affect areas near the three ponds in South Heighton. Flood risk will remain until March. Take care on roads that flood (Denton Road). Ensure pumps work. We will monitor, and update this message by 18:00 14/02/2026.

Information supplied by the Environment Agency

This information last updated 10:12am, Tuesday 10th 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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