Flood Warning Issued for Bourne Valley and The Winterbournes in Hampshire and Wiltshire
This alert is no longer in effect.
Environment Agency issued it on April 5, 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 warning for groundwater in the Bourne Valley, affecting several communities as water levels remain high and reactive to rainfall.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Hampshire and Wiltshire
- Issued
- April 5, 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 Hampshire and Wiltshire.
Alert Details
A Flood Warning has been issued by the Environment Agency for groundwater flooding in the Bourne Valley - The Winterbournes. This alert indicates that high groundwater levels are currently causing flooding in the Wessex area.
Affected Areas
The geographic scope of this warning includes parts of Hampshire and Wiltshire. Specific communities identified as being at risk include:
- Winterbourne Gunner
- Winterbourne Dauntsey
- Winterbourne Earls
- Laverstock
What You Should Do
Residents in the affected areas are advised to take the following precautions:
- Prepare property resilience measures immediately.
- Ensure that any installed flood pumps are working and switched on.
- Consider alternative power sources for pumps in the event of a power cut.
- Be aware that properties may experience flooding in cellars.
- Note that septic tanks and sewer systems may experience inundation due to the high water table.
Expected Conditions
Groundwater levels across Salisbury Plain are currently high. While they are falling slowly, they remain highly reactive to further rainfall. At the Clarendon borehole, the groundwater level has been recorded at 71.00m. These high groundwater levels are also influencing the River Bourne, which increases the risk of fluvial (river) flooding in the region.
Timeline
The alert was officially raised at 9:53 AM on March 20, 2026. The Environment Agency is closely monitoring the situation and expects to provide an update by 2:00 PM on March 23, 2026, or sooner if conditions change significantly.
Original source: Environment Agency Official Notice ↗
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Common questions about this Environment Agency flood warning.