Neb. Rev. Stat. § 16-667.03: Neb. Rev. Stat. § 16-667.03

If, after ten days' notice by certified mail or publication in a legal newspaper in or of general circulation in the city, a property owner fails to make such connections and comply with such regulations as the city council may order in accordance with section 16-667.02 , the city council may order such connection be made, and assess the cost thereof against the property so benefited.