Chapter 13.08 - Sewage Facility Regulations

Other

• Discharge to natural outlet requires approved treatment

  No person shall discharge or cause to be discharged to any natural outlet any garbage, sewage, industrial wastes or other polluted waters unless suitable treatment has been provided and approved in writing by the public works director.

• Grease, oil, and sand interceptors required when necessary

  Grease, oil and sand interceptors shall be provided when, in the opinion of the public works director, they are necessary for the proper handling of liquid wastes containing grease in excessive amounts, or any flammable wastes, sand or other harmful ingredients; except, that such interceptors shall not be required for private living quarters or dwelling units.

• Minimum building sewer diameter4 in

  in no event shall the diameter be less than four inches.

• Minimum slope for 4-inch building sewer0.25 in/ft

  The slope of such four-inch pipe shall be not less than one-quarter inch per foot.

• Minimum slope for 6-inch and larger building sewer0.13 in/ft

  The slope of building sewers six inches and larger shall be not less than one-eighth inch per foot.

• Minimum area for subsurface soil absorption facilities15,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.

  No permit shall be issued for any private sewage disposal system employing subsurface soil absorption facilities where the area is less than 15,000 square feet.

• Building sewer permit expiration period180 days

  Every building sewer permit issued by the public works director under the provisions of Article IV shall expire by limitation and become null and void if the building or work authorized by such permit is not commenced within 180 days from the date of such permit, or if the building or work authorized by such permit is suspended or abandoned at any time after the work is commenced for a period of 180 days.

• Private sewer lines serving two or more structures must meet public standards

  Private sanitary sewer lines servicing two or more buildings or structures located on the same lot, when such lines are not maintained by the city, shall be constructed to meet the standards for construction of public sewer lines.

• Permit required for private sewage disposal system

  Before commencement of construction of a private sewage disposal system, the owner shall first obtain a written permit signed by the public works director.

• Private sewer systems may continue if compliant

  Property owners using private sewer systems that are in compliance with applicable codes and regulations may continue to use the private system when new public sewer systems are constructed within 200 feet or less from the building or drainage facility.

• Private storm sewers must meet public standards

  Private storm sewers which are not maintained by the city shall be constructed in accordance with standard specifications for public storm sewers.

• Prohibition on depositing waste on public or private property

  It is unlawful for any person to place, deposit or permit to be placed or deposited upon public or private property within the city any garbage, refuse, sewage or waste, except as provided by this chapter or applicable ordinances.

• Public sewer connection required if main within 200 feet200 ft

  every building in which plumbing fixtures are installed and every premises having drainage piping thereon shall have a connection to a public sewer, provided that a sewer main is located 200 feet or less from the building or drainage facility.

• Septic tank or cesspool discharge to public sewer or natural outlet prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.

  No septic tank or cesspool shall be permitted to discharge to any public sewer or natural outlet.