Construction and costs of sewage disposal works; bonds

The governing body of any city shall have the power to provide for one or more systems of disposal works for the purification of the sewage of the city or any part thereof, and to build, operate and maintain such disposal works as the governing body may designate. The cost and expense of building the same shall be borne by the city as a whole, and may either be paid out of the general revenue fund or by the issuance of general obligation bonds. No such bonds shall be issued in a sum exceeding two hundred thousand dollars ($200,000) in any one year. Sewage disposal works as used herein includes any necessary sewage disposal plant, sewers and drains from existing outlets to the plant and from the plant to a creek, ravine or river where sewage may be drained, pumping plants, force mains, and all appurtenances necessary to construct a complete disposal works for the disposal of sewage.