Neb. Rev. Stat. § 19-2102

The cost to purchase, construct, maintain, and improve garbage disposal plants or systems or solid waste disposal areas pursuant to section 19-2101 may be defrayed by the levy of a tax not to exceed ten and five-tenths cents on each one hundred dollars upon the taxable value of all the taxable property in such city or village in any one year or, when such tax is insufficient for such purpose, by the issuance of bonds of the city or village.