§ 13-361. Local limits.  


Latest version.
  • The following pollutant limits are established to protect against pass through and interference. No person shall discharge or cause or permit to be discharged, wastewater containing in excess of the following maximum allowable discharge limits in the following system(s):

    0.2 mg/L arsenic
    0.1 mg/L cadmium
    2.9 mg/L chromium
    2.3 mg/L copper
    0.5 mg/L cyanide
    0.9 mg/L lead
    0.0004 mg/L mercury
    0.8 mg/L molybdenum
    4.6 mg/L nickel
    200.0 mg/L oil and grease
    0.1 mg/L selenium
    0.8 mg/L silver
    8.0 mg/L zinc
    2.13 mg/L TTO
    5.5 to 11.0 standard units of pH

     

    The above limits apply at the point where the wastewater is discharged to the POTW. All concentrations for metallic substances are for "total" metal unless indicated otherwise. The regulatory authority may impose mass limitations in addition to, or in place of, the concentration-based limitations above.

(Ord. No. 6807, § 1, 3-11-03; Ord. No. 7945, § 1, 5-5-09)