The government of Alberta has laid four charges against two railway companies in connection with the forest fire that destroyed 10 homes in the hamlet of Chisholm, last May.
Canadian National Railways and Railink face charges of not exercising reasonable care in conducting activities in a forest protection area.
CN also faces two counts of carelessly discarding burning material.
The two companies could be fined $5,000 per charge.
They could also be ordered to reimburse the province for the costs of fighting the forest fire.
It took 514 firefighters, 34 helicopters, 31 bulldozers, and 45 water trucks to battle the fire.