It shall be unlawful and it is hereby declared a nuisance for any private owner or tenant of real property within the city to dump or deposit snow, ice and slush from said real property onto public streets, avenues or alleys of the city of Sidney; provided, that owners and tenants of real property in the "central business district" of the city of Sidney where no landscaped boulevard exists adjacent to said real property may deposit snow, slush and ice from sidewalks adjacent to their property onto public streets or avenues of the city of Sidney. (Ord. 494, 3-1-2010)