Flood Warning Issued for Bourne Valley as Groundwater Levels Rise in Hampshire and Wiltshire
This alert is no longer in effect.
Environment Agency issued it on March 31, 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 the Bourne Valley due to high groundwater levels in Salisbury Plain, threatening properties in The Winterbournes and Laverstock.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Hampshire and Wiltshire
- Issued
- March 31, 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
The Environment Agency has issued a Flood Warning (Severity Level 2) for groundwater flooding in the Bourne Valley - The Winterbournes. The alert was officially raised on March 16, 2026, in response to high groundwater levels currently recorded across Salisbury Plain.
Affected Areas
The warning specifically impacts the Wessex area, covering parts of Hampshire and Wiltshire. Specific locations identified as being at risk include:
- Winterbourne Gunner
- Winterbourne Dauntsey
- Winterbourne Earls
- Laverstock
What You Should Do
Residents in the warning area are advised to take immediate action to protect their property:
- Prepare and deploy property resilience measures.
- Ensure that any installed water pumps are in good working order and switched on.
- Plan for alternative power sources for pumps in case of local power outages.
- Be prepared for the potential inundation of septic tanks and sewer systems.
- Monitor cellars, as these are likely to experience flooding first in the affected areas.
Expected Conditions
Groundwater levels at the Clarendon borehole have reached 71.47m and remain highly reactive to further rainfall. These elevated levels are expected to influence the River Bourne, significantly increasing the risk of fluvial flooding alongside the ongoing groundwater threat. The Environment Agency is closely monitoring the situation as levels remain high.
Timeline
The alert was issued at 2:53 PM on March 16, 2026. This message is scheduled to be updated by 4:00 PM on March 20, 2026, or sooner if the situation changes significantly.
Original source: Environment Agency Official Notice ↗
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Common questions about this Environment Agency flood warning.