Flood Alert Issued for Groundwater in Salisbury Plain, Hampshire and Wiltshire

Flood Warnings medium Environment Agency · · Salisbury Plain, Hampshire and Wiltshire

The Environment Agency has issued a flood alert for the Salisbury Plain area, warning of potential groundwater flooding in Hampshire and Wiltshire following recent rainfall.

Alert Details

The Environment Agency has issued a flood alert for groundwater flooding in the Salisbury Plain area. This alert was officially raised on March 2, 2026, at 10:25 AM. The alert is classified as a severity level 3 event by the agency.

Affected Areas

The alert specifically covers the Salisbury Plain area within the Wessex region. The geographic scope includes portions of Hampshire and Wiltshire where groundwater levels have risen.

What You Should Do

Residents in the warning area are advised to prepare property resilience measures. It is recommended that homeowners ensure any installed water pumps are in working order. Because groundwater is near the surface, residents should remain vigilant as intense rainfall could lead to immediate surface water flooding.

Expected Conditions

Groundwater levels have risen significantly in response to recent rainfall. While levels are expected to plateau during the early part of this week, the flooding of fields and roads remains possible. The Environment Agency notes that levels remain highly reactive to further precipitation.

Timeline

The alert is currently active as of March 2, 2026. While the beginning of the week is expected to see brighter and drier weather, further rainfall is forecast starting Thursday, which may cause groundwater levels to rise again. The Environment Agency will monitor the situation closely and expects to provide an update by 11:00 AM on March 9, 2026, or sooner if conditions change.

Source: Environment Agency Official Notice