5.2.8 Prohibited Discharges. (Fond du Lac Municipal Code Section 13.30) 

13.30 PROHIBITED DISCHARGES. No person shall discharge or cause to be discharged any of the following substances to the sewerage system. 

(1) Any gasoline, kerosene, benzene, toluene, ethylbenzene, xylene, naptha, fuel oil or other flammable or explosive liquid, solid or gas. 

(2) Any waters or wastes containing toxic or poisonous solids, liquids or gases in sufficient quantity, either singly or by interaction with other wastes, to injure or interfere with any wastewater treatment process, constitute a hazard to humans or animals, create a public nuisance or create any hazard in the receiving waters of the treatment plant. 

(3) Any waters or wastes having a pH lower than 5.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the sewerage system. 

(4) Solid or viscous substances in quantities or of such size capable of causing obstruction to the flow in the sewers or other interference with the proper operation of the sewerage system such as, but not limited to, ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, unground garbage, whole blood, paunch manure, excessive amounts of hair and fleshings, entrails and paper dishes, cups, milk containers, sanitary napkins, disposable diapers, either whole or ground by garbage containers. 

(5) Any radioactive wastes or isotopes of such half-life or concentration in quantities that exceed the limits established by the Director and in compliance with applicable State or federal regulations. 

(6) Detergents, surface-active agents or other substance that may cause excessive foaming in the sewerage system. 

(7) Stormwater, surface water, groundwater, roof runoff, subsurface drainage, noncontact cooling water or unpolluted industrial process waters. 

(8) Any wastewater which, in conjunction with other wastewater, will cause the temperature of the raw wastewater entering the treatment plant to exceed 104°F (40°C) or which will inhibit the biological activity in the treatment plant resulting in interference. 

(9) Any substance which creates a fire or explosion hazard in the sewerage system including, but not limited to, waste streams with a closed cup flash point of less than 140°F. or 60°C. using the test methods specified in 40 C.F.R. 261.21 and Wis. Admin. Code § NR 605.08(2). 

(10) Any substance which results in the presence of toxic gases, vapors or fumes within the sewerage system in a quantity that may cause acute worker health and safety problems. 

(11) Any water or waste containing fats, wax, grease, or oil whether emulsified or not, in excess of 100 mg/L or containing substances which may solidify or become viscous at temperatures between 32° and 140°F (0° and 60°C). 

(12) Petroleum oil, non-biodegradable cutting oil, or products of mineral oil origin, in excess of 100 mg/L or in amounts that will cause interference or pass through. 

(13) Any substances regulated as hazardous waste under federal or state law. 

(14) Any substance that will cause the city to violate its WPDES permit. 

(15) Used anti-freeze, motor oil, brake fluid, transmission fluid, hydraulic fluid, oil-based paint, and paint thinners if the material is in a collectible and recyclable quantity. 

(16) Medical wastes or infectious wastes, except as specifically authorized by the Director. 

5.2.9 Wastewater Constituents Subject to Prior Approval (Fond du Lac Municipal Code Section 13.31) 

13.31 WASTEWATER CONSTITUENTS SUBJECT TO PRIOR APPROVAL. 

(1) Except as provided in subsection (2) and (3), no person shall discharge or cause to be discharged the following substances: 

(a) Any liquid or vapor having a temperature higher than 140°F (60°C). 

(b) Discharges of BOD, suspended solids and phosphorus in amounts that exceed those specified in § 13.34(1)(b). 

(c) Any trucked or hauled wastes except at a discharge point authorized by the Director. 

(d) Any waters or wastes containing phenols or odor producing substances in concentrations exceeding limits which may be established by the Director as necessary after treatment of the wastewater to meet the requirements of the State, federal or other public agencies of jurisdiction for the discharge to the receiving waters. 

(e) Any waters or wastes having a pH lower than 5.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the sewerage system, or having a pH in excess of 10.5. Excursions outside the local pH range of 5.5 – 10.5 will be allowed only when the pH is measured by continuous strip recorders, and only under the following conditions: 

1. The pH measurement is between 5.0 – 5.5, or above 10.5. 

2. The time interval for the excursion does not exceed 15 minutes for one individual excursion. 

3. The total time for all excursions does not exceed 60 minutes per day (four 15 minutes intervals), or 15 minutes for a six hour period. 

(f) Materials which exert, cause or contain: 

1. Unusual concentrations of inert suspended solids such as, but not limited to, Fuller's earth, lime slurries and lime residues, or of dissolved solids such as, but not limited to, sodium chloride and sodium sulfate. 

2. Color which cannot be removed by the treatment system, such as, but not limited to, dye wastes, vegetable tanning solutions and commercial inks, which consequently imparts color to the treatment plant effluent. 

3. BOD, TSS, COD, phosphorus, or nitrogen in quantities as to constitute a significant load on the treatment plant. 

4. Unusual volume of flow or concentration of wastes constituting a slug or slugs, as defined in § 13.23 of this subchapter. 

(g) Any sludge, precipitate or waste resulting from any industrial or commercial treatment or pretreatment of any user’s wastewater or air pollutants or any waste which would result in a violation of the City's WPDES permit. 

(h) Compounds containing quaternary amines, subject to the Director’s approval of the type, quantity and procedures for their use. 

(2) Users seeking to discharge a substance listed in this section shall file a Notice of Intent in accordance with the procedures in § 13.50.1. 

(3) If any waters or wastes are discharged or are proposed to be discharged to the public sewers, which waters contain the substances or possess the characteristics enumerated in sub. (1) of this section, the Wastewater Operations Manager and Director of Public Works evaluate the discharge. They will give consideration to factors such as the quantities of subject wastes in relation to flows and velocities in the sewers, materials of construction of the sewers, nature of the treatment plant, degree of treatability of wastes in the treatment plant as well as other pertinent factors. If, in the judgment of the Wastewater Operations Manager and the Director of Public Works, the discharge may have a deleterious effect upon the sewerage system, processes, equipment or receiving waters or otherwise create a hazard to life or constitute a public nuisance, the Wastewater Operations Manager or Director may:

(a) Reject the wastes. 

(b) Require pretreatment to an acceptable level prior to discharge to the public sewers. 

(c) Require control over the quantities and rates of discharge. 

(d) Require payment to cover the added cost of handling and treating the wastes not covered by existing wastewater disposal charges. 

5.3 Pollution Control and Waste Minimization 

5.3.1 Grease, Oil and Sand Receptors (Fond du Lac Municipal Code Section 13.42) 

13.42 GREASE, OIL AND SAND RECEPTORS. Grease, oil and sand interceptors shall be provided as required by the Control Authority or State Plumbing Code for the proper handling of liquid wastes containing grease in excessive amounts or any flammable wastes, sand or other harmful ingredients, except that the interceptors shall not be required for private living quarters or dwelling units. All interceptors shall be of a type and capacity approved by the Plumbing Inspector and shall be located as to be readily and easily accessible for cleaning and inspection. 

5.3.2 Slug and Other Accidental Discharge; Prevention (Fond du Lac Municipal Code Section 13.46) 

13.46 SLUG AND OTHER ACCIDENTAL DISCHARGE; PREVENTION

(1) Each industrial user shall provide protection from accidental discharge of prohibited or regulated materials or substances established by this subchapter. Where necessary, users shall provide and maintain, at their expense, facilities to prevent accidental discharge of prohibited materials. Pursuant to § 13.50.9, all industrial users shall notify the Wastewater Operations Manager immediately of all discharges that could cause problems for the sewerage system, including any slug loadings by the industrial user. 

(2) Signs shall be permanently posted in conspicuous places on the user's premises advising employees whom to call in the event of an accidental discharge. Employers shall instruct all employees who may cause or discover a discharge with respect to emergency notification procedure. 

(3) The City will evaluate at least once every two years whether each significant industrial user needs a plan to control slug discharges. If the City determines that a slug control plan is needed, the plan shall contain at a minimum the following elements: 

(a) A description of discharge practices, including non-routine batch discharges. 

(b) A description of stored chemicals. 

(c) Procedures for immediately notifying the Wastewater Operations Manager of slug discharges, including any discharge that would violate a prohibition under §§ 13.30 and 13.31, with procedures for follow-up written notification within five (5) days. 

(d) The necessary procedures to prevent adverse impact from accidental spills, including inspection and maintenance of storage areas, handling and transfer of materials, loading and unloading operations, control of plant site runoff, worker training, building of containment structures or equipment, measures for containing toxic organic pollutants (including solvents) and/or measures and equipment for emergency response. 

13.47 SLUDGES. Sludges, floats, skimmings and other materials generated by an industrial or commercial pretreatment system shall not be placed into the sewerage system. Such residuals shall be contained, transported and disposed of by haulers in accordance with all federal, state and local regulations including but not limited to § 405 of the Clean Water Act and subtitles C and D of the Resource Conservation and Recovery Act. 

5.3.3 Hazardous Waste Reports 

13.50.7 HAZARDOUS WASTE REPORTS. 

(1) A user shall submit a hazardous waste report to the City, the EPA Region 5 Waste Management Director and the Department Bureau of Waste Management if the user discharges any of the following to the sewerage system: 

(a) More than 15 kilograms (33 lbs) per calendar month of any substance that would be hazardous waste according to Wis. Admin. Code ch. NR 605 if otherwise disposed; or 

(b) Any amount of a substance that would be an acute hazardous waste according to Wis. Admin. Code § NR 605.09(1)(d) or (3)(b) Table IV, or 40 C.F.R. pt. 261, if otherwise disposed. 

(2) Hazardous waste reports shall include: 

(a) An identification of the hazardous waste as set forth in 40 CFR 261; 

(b) The hazardous waste number; 

(c) Whether the discharge is batch, continuous, or another type; and

(d) A certification that the user has a program in place to reduce the volume and toxicity of the generated hazardous wastes to the greatest extent economically practicable. 

(e) If the user discharges to the sewerage system more than 100 kilograms per month (220 lbs) of substances that if otherwise disposed would be a hazardous waste, then the hazardous waste report shall include the following information to the extent that it is known to the user: 

1. The hazardous constituents contained in the waste, 

2. The mass and concentration of the hazardous constituents in the waste stream discharged during each month, and 

3. The mass of hazardous constituents the user expects to discharge during the next 12 months. 

(3) Users shall submit the hazardous waste report: 

(a) Within 180 days after the commencement of discharge of any listed or characteristic hazardous waste in quantities that make the user subject to this section; or 

(b) Within 90 days after new federal or state regulations define as a hazardous waste substances that the user discharges in quantities that make the user subject to this section. 

(4) Only one (1) report is required for each hazardous waste discharged to the sewerage system. Users shall report changes to the quantity or frequency of the discharge according to § 13.50.1. 

(5) Hazardous waste reports shall contain the certification set forth in § 13.50.14 and be signed according to § 13.50.15 

5.3.4 Spill Control and Prevention 

5.3.4.1 An SPCC Plan is required if a facility has greater than 1,320 gallons of above ground oil storage. Part of the plan requires spill kits in the immediate areas of oil storage. Mark Musser the Environmental Health and Safety Specialist is responsible for the Spill Control Plan and its management, training, and recordkeeping.

5.3.4.2 Universal Spill control kits are located in the (7) elevator rooms on campus. 

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Administration Mechanical Room 

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Contents of Universal Spill Kit 

a. Special application spill kits are located in room S103 of the Ben Sadoff Science Hall. (e.g. Mercury, Acid, and Base Spill Kits) 

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b. Five gallon containers are located in room S103 of the Ben Sadoff Science Hall. 

c. Thirty gallon over pack drums, and absorbent materials are located in the Campus Services garage and in rooms S103 and S207B of the Ben Sadoff Science Hall. 

5.3.4.3 Secondary Containment – containers are used to provide containment for hazardous materials that could leak or spill into the city sewer system. Areas that need containment include chemicals being stored by sinks, over mop basins, or by floor drains. 

5.3.4.4 Inspections of containers – See the below schedule. 

ATTACHMENT 3.2 – Bulk Storage Container Inspection Schedule – onshore facilities (excluding production): 

To comply with integrity inspection requirement for bulk storage containers, inspect/test each shop-built aboveground bulk storage container on a regular schedule in accordance with a recognized container inspection standard based on the minimum requirements in the following table. Table G-17 Bulk Storage Container Inspection Schedule 

Container Size and Design Specification 

Inspection requirement 

Portable containers (including drums, totes, and intermodal bulk containers (IBC)) 

Visually inspect monthly for signs of deterioration, discharges or accumulation of oil inside diked areas 

55 to 1,100 gallons with sized secondary containment 

Visually inspect monthly for signs of deterioration, discharges or accumulation of oil inside diked areas plus any annual inspection elements per industry inspection standards 

1,101 to 5,000 gallons with sized secondary containment and a means of leak detectiona 

1,101 to 5,000 gallons with sized secondary containment and no method of leak detectiona 

N/A 

a: Examples of leak detection include, but are not limited to, double-walled tanks and elevated containers where a leak can be visually identified. 

5.3.5 Campus Inventory. Hydraulic equipment, bulk recycling containers and transformers.

Oil Storage Container – aboveground (A) completely buried (B)  / Type Of Oil  / Capacity (gallons) 

Stayer Center #1 (A) Elevator Tank.........................................Hydraulic Fluid..........140* 

Stayer Center #2 (A) Elevator Tank.........................................Hydraulic Fluid..........140* 

Administrative Building (A) Elevator Tank................................Hydraulic Fluid..........120* 

Regina Hall (A) Elevator Tank.................................................Hydraulic Fluid..........120* 

Naber Hall (A) Elevator Tank...................................................Hydraulic Fluid..........120* 

Sadoff Science Building (A) Elevator Tank...............................Hydraulic Fluid .........120* 

Herr-Baker Complex (A) Elevator Tank....................................Hydraulic Fluid............80 

Campus Services by garage (A) Bulk Cont...............................Used cooking oil 250 Max. 

Stayer Center (A) Sanimax Bulk Cont......................................Used cooking oil 250 Max. 

Campus Services (A) Drum....................................................Used Motor Oil............55

Wet, Oil Filled Transformers (leased, rentals) 

Herr-Baker Field (A) Transformer.........................................Heat Transfer Oil..........207 

Smith Field (A) Transformer................................................Heat Transfer Oil..........150 

Hornung Student Center (A) Transformer..............................Heat Transfer Oil..........188

                                                                                         *Estimated Total 

1,940 gallons