The purpose of the sewer service and use charge is to raise revenue for the cost of maintenance, construction, operation and improvement of the city sewerage facilities used for the collection, treatment and disposal of sewage, industrial sewage and industrial waste, and the reclamation of water therefrom as a by-process. The funds derived from the sewer service and use charge shall be used for only those purposes provided for in Section 5471 of the Health and Safety Code.
(1960 code § 18.77)