Flood warning for Groundwater flooding for the Wylye Valley at Warminster
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High groundwater levels are expected to cause flooding.
Flooding is expected from 28 January 2026
Groundwater levels in Salisbury Plain are rising. Areas that could be affected include: the Wylye Valley at Warminster. The groundwater level at the Tilshead MOD borehole has risen to 109.14m, and is expected to rise into the next week. Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed. Residents may experience inundation of septic tanks and sewer systems. Properties may experience flooding in cellars in affected areas. Flooding of roads is expected.
We are closely monitoring the situation .
If you have a pump, make sure it is working and switched on. Think about alternative power sources in case of power cuts .
This message will be updated by 12:00PM on 04 February 2026 or as the situation changes.
Flood warning area: Groundwater flooding for Warminster.
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Latest level
The Groundwater level at Chitterne Down was 105.19 metres. Property flooding is possible when it goes above 103.00 metres.
This level will update automatically
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