The Banff Centre is hosting its 44th book and film festival this week and it's expected to attract 21,000 people from around the globe.

If water levels rise another 30 cm, the city will have to take drastic measures to protect the municipality's drinking water, officials say.

The Hamilton Conservation Authority says water levels and flows in the area watercourses are expected to continue to increase, as a result of the continuing melt of the snow pack.