All easements and construction must be approved by the city prior to backfill. Sewer ditches shall not accommodate other utilities. Spacing, type of pipe, fitting employment, cover and drainage allowance must be according to manufacturer’s specifications and approved by the city before acceptance.
(2001 Code, sec. 13.203)
Cover shall be at least twelve inches (12") and horizontal drainage shall have a fall of not less than one-eighth inch (1/8") per foot, and four inches (4") in diameter with cleanout installed.
(2001 Code, sec. 13.204)
It shall be unlawful for any person to deposit by any means into the building drainage system or sewer any ashes, cinders, rags, poisonous or explosive liquids, gases, oils, grease or any other material which would or could obstruct, damage, or overload such system or sewer.
(2001 Code, sec. 13.205)
It shall be the responsibility of the city to maintain in a healthful state and in working order the sewer line from the point of origin on private property to the point of juncture with the city sanitary main on public property.
(2001 Code, art. 13.400)
Commercial services may deposit or discharge treated wastewater at the wastewater treatment plant subject to the following conditions:
(1) 
The fee in the fee schedule in appendix A of this code must be paid at city hall before a discharge or deposit is made;
(2) 
The deposit or discharge must be made during normal business hours; and
(3) 
A city employee must be present when the deposit or discharge takes place.
(2001 Code, art. 13.800)