Between locks 54 - 53 Berkhamsted

Completed: The team have cleared the area

Type: Navigation Closure

Waterway(s): Grand Union Canal

From: 22 December 2025, 2:06pm

To: 22 December 2025, 3:24pm inclusive

Region: London and South East

Reason: Pollution Incident

Location

Closest waterway	Grand Union Canal
Starts at	Lock 53
Ends at	Lock 54
Upstream winding hole	cowroast
Downstream winding hole	winkwell

Descriptions

Update 22 December 2025, 3:24pm

The team have attended and the navigation has now been re-opened. Thank you for your patience .

Original 22 December 2025, 2:15pm

Due to a pollution incident the navigation has been temporarily closed whilst we attend. This notice will be updated when the situation has been reviewed