Places to pump out a boat’s holding tank. Some are self-operated with a card or token; others are run by marinas for a fee.
Canal & River Trust facilities at High House Marina on the Grand Union Canal, near Bridge 26: self-operated pump-out. Facilities sometimes close for repairs, so check Canal & River Trust notices before relying on them. Spotted a problem? Suggest an edit. Facility and location data from Canal & River Trust, checked 19 September 2026.
Canal & River Trust facilities at Marsworth Junction on the Grand Union Canal, near Bridge 131: water point, Elsan disposal, rubbish disposal and self-operated pump-out. Facilities sometimes close for repairs, so check Canal & River Trust notices before relying on them. Spotted a problem? Suggest an edit. Facility and location data from Canal & River Trust, checked 19 September 2026.

