Flood Warning Issued for South Wiltshire Downs and Chilmark Stream Area
This alert is no longer in effect.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 warning for the South Wiltshire Downs due to high groundwater levels, with flooding expected around the Chilmark stream.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Wiltshire
- 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 Wiltshire.
Alert Details
The Environment Agency has issued a Flood Warning (Severity Level 2) for groundwater flooding in the South Wiltshire Downs - The Chilmark. This alert indicates that high groundwater levels are expected to cause flooding in the region.
Affected Areas
The warning specifically covers areas around the Chilmark stream and the South Wiltshire Downs within the county of Wiltshire. High groundwater levels have been noted across Salisbury Plain following recent rainfall.
What You Should Do
Residents in the warning area are advised to take the following precautions:
- Prepare property resilience measures and ensure that any installed pumps are switched on and working correctly.
- Consider alternative power sources for pumps in the event of power cuts.
- Be prepared for the potential inundation of septic tanks and sewer systems.
- Exercise extreme caution when driving on flooded roads to ensure personal safety and to prevent bow waves from flooding adjacent properties.
Expected Conditions
Groundwater levels in Salisbury Plain are currently high due to recent rainfall. The groundwater level at The Terraces borehole has reached 117.15m and is expected to remain reactive to any further rainfall. Expected impacts include the flooding of roads and potential property inundation.
Timeline
This alert was issued at 3:06 PM on February 24, 2026. The Environment Agency is monitoring the situation closely and will provide an update by 3:00 PM on March 3, 2026, or sooner if conditions change significantly.
Original source: Environment Agency Official Notice ↗
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