Flood Alert Issued for River Thames and Tributaries from Calcutt to Lechlade

Alert Details

The Environment Agency has issued a Flood Alert (Severity Level 3) for the River Thames and its small tributaries from Calcutt to Lechlade. The alert was officially raised at 9:57 AM on February 15, 2026.

Affected Areas

The alert covers a broad geographic scope including parts of Gloucestershire, Oxfordshire, Swindon, and Wiltshire. Specific watercourses identified in the alert include:

• River Thames
• Blunsdon Brook
• Water Eaton Brook
• Marston Meysey Brook
• Share Ditch
• Bydemill Brook
• Westrop Brook
• Downington Brook

Flooding of low-lying land and roads is expected to continue today, with a specific focus on the Kempsford area.

What You Should Do

Residents in the affected regions are advised to take the following precautions:

• Avoid low-lying footpaths and roads near rivers, as these areas may be flooded.
• Monitor local conditions and check “River Levels Online” for updates on current water levels.
• Stay prepared for changing conditions as river levels remain responsive to rainfall.

Expected Conditions

River levels are currently high. Further rainfall is forecast for today, February 15, 2026, which has the potential to be heavy at times. River levels are expected to rise again today in response to this precipitation. Officials indicate that levels will remain high and responsive to further rainfall over the next couple of days.

Timeline

The alert is currently in effect as of February 15, 2026. The Environment Agency is actively monitoring rainfall and river levels. This message is scheduled to be updated by 12:00 PM on February 16, 2026, or sooner if the situation changes.