 Along with her firefighting duties , during the winter Edward M. Cotter is used as an icebreaker on Buffalo 's rivers . Edward M. Cotter mounts five fire monitors that are capable of pumping 15 @,@ 000 US gallons per minute ( 0 @.@ 95 m3 / s ; 12 @,@ 000 imp gal / min ) . She can often be seen sailing out of her berth and south @-@ west to Lake Erie , returning north through the breakwall and firing her fire monitors . 
