Please note the latest circular of Hapag Lloyd:

While suspending their peak season surcharge as of August 4th, Hapag announces a low water suracharge for Canada as per below:

In line with our pre advice announced on April 11, 2014 we would like to inform you that with effect from July 28, 2014 Hapag-Lloyd will implement a Low Water Surcharge for all cargo moving via the port of Montreal.
St. Lawrence Cont. Service – Route 1 (SLCS 1)
St. Lawrence Cont. Service – Route 2 (SLCS 2)

 USD 180 per 20′ Container
 USD 240 per 40′ Container

JMCS Route A (MCA)

 USD 100 per 20′ Container
 USD 150 per 40′ Container