§ 4.28.100. Wastewater strength.  


Latest version.
  • No person shall, and it shall be unlawful to, discharge, cause to be discharged, or permit to be discharged any wastewater containing any of the following constituents in excess of the maximum allowable amounts respectively hereinafter established therefor:

    Facilities Which Discharge 10,000 Gallons Per Day and Above:

    a)

    0.1 mg/L arsenic;

    b)

    0.2 mg/L cadmium;

    c)

    2.0 mg/L copper;

    d)

    1.0 mg/L cyanide;

    e)

    1.0 mg/L lead;

    f)

    0.01 mg/L mercury;

    g)

    1.0 mg/L nickel;

    h)

    4.0 mg/L silver;

    i)

    0.5 mg/L total chromium;

    j)

    3.0 mg/L zinc.

    Facilities Which Discharge Below 10,000 Gallons Per Day:

    a)

    0.0038 kg/day arsenic;

    b)

    0.0076 kg/day cadmium;

    c)

    0.076 kg/day copper;

    d)

    0.038 kg/day cyanide;

    e)

    0.038 kg/day lead;

    f)

    0.00038 kg/day mercury;

    g)

    0.038 kg/day nickel;

    h)

    0.15 kg/day silver;

    i)

    0.019 kg/day total chromium;

    j)

    0.11 kg/day zinc.

(Prior code § 4151.9; Ord. 2415, 01/25/77; Ord. 2897, 06/12/84)