Calgary city bylaws require homeowners to remove snow and ice from their sidewalk within 24 hours after the snow or ice has been deposited. However, failure to follow the bylaw is not sufficient grounds for a civil action. Generally, it must be established that the homeowner was negligent in the maintenance of their property for liability to ensue. For example, allowing an eaves trough to leak onto a sidewalk creating an icy hazard could result in liability.