(A) Wastewater containing more than 25 milligrams per liter of petroleum oil, nonbiodegradable cutting oils, or products of mineral oil origin.
(B) Any garbage that has not been properly shredded. Garbage grinders may be connected to sanitary sewers from homes, motels, institutions, restaurants, hospitals, catering establishments, or similar places where garbage originates from the preparation of food in kitchens for the purpose of consumption on the premises or when served by caterers.
(C) Any wastewater containing toxic pollutants in sufficient quantity, either singly or by interaction with other pollutants which: injure or interfere with any wastewater treatment process, constitute a hazard to humans or animals, causes the city to violate the terms of its KPDES Permit, prevents the use of acceptable sludge disposal methods, or to exceed the limitations set forth in a Categorical Pretreatment Standard.
(D) Any radioactive wastes or isotopes of such half-life or concentration as may exceed limits established by the city in compliance with applicable State or Federal Regulations.
(E) Any water or wastes which by interaction with other water or wastes in the public sewer system, release obnoxious gases, from suspended solids which interfere with the collection system, or create a condition deleterious to structures and treatment processes.
(F) Any wastewater with objectionable color which cannot be removed to an acceptable level within the operation of the wastewater treatment process unless otherwise specifically noted in the Industrial Wastewater Discharge Permit (IUP).
(G) Waters or wastes containing substances which are not amenable to treatment or reduction by the wastewater treatment processes employed to the extent required by the city’s NPDES/KPDES Permit.
(H) Any waste(s) or wastewater(s) classified as a hazardous waste by the Resource Conservation and Recovery Act (RCRA) without a 60-day prior notification of such discharge to the Superintendent. This notification must include the name of the hazardous waste, the EPA hazardous waste number, type of discharge, volume/mass of discharge and time of occurrence(s). The Superintendent may prohibit or condition the discharge)s) at any time.
(I) Any water or wastes which have a concentration greater than 100 mg/l of oil and grease (total). Any person discharging wastewater exceeding this limit shall be subject to a surcharge fee for each pound loading over and above this limit. Exceeding of this limit shall not be deemed to constitute a violation of a permit condition or this chapter if the appropriate surcharge fee is paid and the discharge does not cause interference or pass through of the POTW.
(J) The following limitations are established for characteristics of any wastewaters to be discharged into the municipal sewer system subject to any compliance schedule as established in the Industrial Wastewater Discharge Permit. All significant industrial users must comply with these limitations where they are more stringent than applicable state or federal regulations.
Parameter Maximum Daily concentration (mg/)l
Arsenic 0.18
Cadmium 0.06
Chromium, Total 1.71
Chromium, Hexavalent 0.14
Copper 0.74
Cyanide, amendable 0.23
Lead 0.28
Mercury 0.001
Molybdenum 1.49
Nickel 1.13
Selenium 0.08
Silver 0.43
Zinc 1.48
(K) The city has received authority through the U.S. EPA and State Statutes to enforce the requirements of 40 CFR Subchapter N and 40 CFR Park 403. All users shall comply with the requirements of those regulations.
(Ord. 477, passed 7-24-91; Am. Ord. 675, passed 9-14-99; Am. Ord. B2006-13, passed 6-6-06; Am. Ord. B2011-14, passed 8-23-11; Am. Ord. B2018-02, passed 3-6-18) Penalty, see § 53.999