The city owns the boulevard portion of the road in front of your property and needs to blow snow onto the boulevard in order to keep the streets and drains clear.
It is not cost effective to haul snow from these areas and would cost the city approximately $350,000 per winter season to haul this snow away.
Yes, it is the responsibility of the property owner to clean and maintain their boulevard in front of their property. In the spring property owners can rake the winter sand off the boulevard into the gutter. The city street sweeper will be around to clean up the streets and winter sand in the spring.