The director of public works has the following powers and duties related to the city sewage system:
(Code of Iowa, Sec. 372.13[4])
A. Operation And Maintenance: Operate and maintain the city sewage system.
B. Inspection And Tests: Conduct necessary inspections and tests to assure compliance with the provisions of this chapter.
C. Records: Maintain a complete and accurate record of all sewers, sewage connections and manholes constructed showing the location and grades thereof.
D. Policies: Recommend to the council policies to be adopted and enforced to implement the provisions of this chapter regarding the sewage system. (2000 Code § 95.03)