River Levels

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River Levels

Groundwater flooding in Finchdean, Dean Lane End and Rowlands Castle

Message issued at 5:25pm, Monday 16th March

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

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Flooding possible. Be prepared.

Flood alert

Groundwater levels in Finchdean, Dean Lane End and Rowlands Castle are high but slowly falling. In the last week, the level at the borehole in Finchdean has fallen by 14cm. Flooding is expected to be affecting a small number of cellars. Residual flooding may continue to affect roads during this week. Dry weather is forecast from Monday 16/03/2026 to Friday 20/03/2026. Groundwater levels are expected to continue slowly falling throughout this week. If the weather forecast is favourable next week, then this Flood Alert could be removed. We are closely monitoring the situation. Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed. This message will be updated by 18:00 23/03/2026.

Information supplied by the Environment Agency

This information last updated 5:25pm, Monday 16th March.

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Most recent flood warnings and alerts for Groundwater flooding in Finchdean, Dean Lane End and Rowlands Castle

Flood Warning Area Details

Areas at risk of groundwater flooding in Finchdean, Dean Lane End, Idsworth and Rowlands Castle

Region: Solent and South Downs

Country: England

Counties covered: Hampshire, West 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 Finchdean, Dean Lane End and Rowlands Castle.

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

Lavant Stream at Havant
Lavant Stream from Woodberry Lane to Langstone and Brockhampton

No current or recent warnings.

Groundwater flooding in upper River Ems Valley
Areas at risk of groundwater flooding on the upper River Ems at Compton, West Marden, Stoughton, Walderton and Racton

No current or recent warnings.

Crosslands Drive and West Leigh, Havant, on the Lavant Stream
West Leigh, Crosslands Drive and Lavant Road on the Lavant Stream

No current or recent warnings.

Westbourne, Lumley and Emsworth on the River Ems
Westbourne, Lumley and Emsworth on the River Ems, including New Brighton and Commonside

No current or recent warnings.

Lower River Ems
The River Ems and tributaries from Racton to Emsworth Harbour including Westbourne

No current or recent warnings.

RiverLevels.uk is an independent website. It is not associated with the Environment Agency or any other supplier of river level information. All data used on this site is supplied under licence. For queries about the data, please contact the underlying supplier.

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