The term CURRENT SERVICE, as used in this part, means one or more of the following: snow, ice or rubbish removal from sidewalks; weed elimination from street grass plots adjacent to sidewalks or from private property; removal or elimination of public health or safety hazards from private property, excluding any hazardous building included in M.S. §§ 463.15 to 463.26, as they may be amended from time to time; installation or repair of water service lines; street sprinkling, street flushing, light street oiling or other dust treatment of streets; repair of sidewalks and alleys; trimming and care of trees and removal of unsound and insect-infected trees from the public streets or private property; and the operation of a street lighting system.