Flood Alert Issued for Colne Brook at Iver and Colnbrook

Alert Details

The Environment Agency has issued a flood alert for the Colne Brook at Iver and Colnbrook. The alert was officially raised at 8:44 AM on February 16, 2026, categorized as a severity level 3 alert.

Affected Areas

The alert covers a broad geographic region including Buckinghamshire, Greater London, Hillingdon, Slough, Surrey, and Windsor and Maidenhead. Specific locations most likely to be affected by high river levels include:

• Colnbrook Village
• Poyle
• Albany Park
• High Street
• Mill Street
• Fawsley Close
• Myrtle Close

What You Should Do

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

• Avoid using low-lying footpaths near local watercourses.
• Do not use bridges located near the Colne Brook.
• Monitor local weather reports and river level updates.

Expected Conditions

High river levels on the Colne Brook are expected today, February 16, 2026. This condition follows rainfall that occurred overnight on February 15, 2026. The primary threat is the flooding of low-lying land and roads situated near the river.

Timeline

The alert is effective immediately as of February 16, 2026. The Environment Agency is closely monitoring the situation and expects to provide an update by 5:00 PM on February 16, 2026, or earlier if conditions change significantly.