Flood Alert Issued for Groundwater in West Sussex Communities Including West Dean and Singleton
This alert is no longer in effect.
Environment Agency issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this Environment Agency flood warning directly from Environment Agency's official public data feed. See our methodology for full source attribution and refresh cadence.
The Environment Agency has issued a flood alert for West Sussex as high groundwater levels impact roads and sewage networks in the Lavant valley area.
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- Record type
- Flood Alert
- Affected area
- West Sussex
- Issued
- April 6, 2026
- Issuing authority
- Environment Agency
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in West Sussex.
Alert Details
The Environment Agency has issued a flood alert (Severity Level 3) for groundwater in the Solent and South Downs area. The alert was officially raised at 4:17 PM on February 23, 2026, due to groundwater levels remaining very close to the surface.
Affected Areas
The alert specifically covers the following geographic regions in West Sussex:
- West Dean
- Singleton
- Charlton
- East Dean
- Chilgrove
What You Should Do
Residents in the warning area are advised to take the following actions:
- Travel Safety: Take extra care on roads prone to flooding, particularly in Chilgrove, West Dean, Singleton, and East Dean.
- Equipment Check: Ensure that any water pumps are in good working order.
- Infrastructure Awareness: Be aware that groundwater levels are currently affecting the ability of the sewage network to operate in East Dean, Charlton, Singleton, and West Dean.
Expected Conditions
While groundwater levels are currently falling, they remain high. Expected impacts include:
- Surface Water: Springs appearing and water accumulating in fields.
- Road Hazards: Small amounts of water flowing down roads.
- Property Impact: Potential for water to appear in a small number of basements.
- Sewage Issues: Reduced functionality of the sewage network in the affected villages.
Timeline
- February 23–25, 2026: Isolated showers are forecast; groundwater levels are expected to continue falling during this window.
- Thursday, February 26, 2026: A weather front is forecast to bring widespread rainfall to the region.
- Friday, February 27, 2026: Groundwater at Lavant valley boreholes is predicted to rise again and continue rising through the following week.
- Long-term Outlook: Groundwater flood impacts are expected to continue until the middle of March. The Environment Agency will provide an updated message by 6:00 PM on February 27, 2026.
Original source: Environment Agency Official Notice ↗
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