§ 28-772. Specific prohibited discharges.  


Latest version.
  • (a)

    The term "industrial user," for purposes of this section, is defined to include any nondomestic source.

    (b)

    No industrial user of the City's wastewater system shall discharge or cause to be discharged into such system the following liquids or materials:

    (1)

    Any material which creates or may create a fire or explosion hazard at any point in the City's wastewater system, including, but not limited to, wastestreams with a closed cup flashpoint of less than 140 degrees Fahrenheit or 60 degrees Celsius, using test methods specified in 40 CFR § 261.21.

    (2)

    Any material which has a pH below 5.0, unless specifically approved by the Director based on a finding that the publicly owned treatment works will accommodate such material, or which would cause corrosive structural damage to any part of the wastewater system.

    (3)

    Any solids or viscous matter, including, but not limited to, oil and grease, in an amount which may cause obstruction or interference in the wastewater system.

    (4)

    Any material, including oxygen demanding matter, that, by its constituents, character, volume, strength or any combination thereof, may cause or contribute to an interference with the normal operation of the City's wastewater system.

    (5)

    Heat in an amount that would inhibit biological activity or cause wastewater treatment plant influent temperature to exceed 40 degrees Celsius (104 degrees Fahrenheit).

    (6)

    Petroleum oil, nonbiodegradable cutting oil, or products of mineral oil origin in amounts that would or could cause interference or pass through.

    (7)

    Matter that would or could result in the presence of toxic gases, vapors, or fumes at any point in the wastewater system in a quantity or concentration that could cause worker health and safety problems.

    (8)

    Any radioactive waste or isotopes of such half-life or concentration that does not comply with regulations or permits issued by the appropriate authority having control over their use or which may cause damage or hazard to the wastewater system or personnel operation of the wastewater system or pass through the system into the environment.

    (9)

    Any trucked or hauled matter, except at discharge points designated by the Director.

    (Code 1993, § 29-315; Code 2004, § 106-694)

(Code 1993, § 29-315; Code 2004, § 106-694)