Calgary officials are urging residents to continue to cut back their water use by at least 30L a day. This comes as repairs continue on a water main that broke on Dec. 30. Susan Henry, chief of the city’s emergency management agency, warned that a failure to conserve means risking the city’s ability to respond to emergencies like fighting fires. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news