921.11 ACCESS TO PROPERTIES.

   (a)    The Board and the Manager shall have the right of access at reasonable times to any part of any improved property served by the sewer system as shall be required for purposes of maintenance, inspection, measurement, sampling and testing and for the performance of other functions relating to service rendered by the Board through the sewer system.

   (b)    Every employee of the Board whose duties require him to enter the premises of a customer will carry on his person identification as an employee or representative of the Board.

   (c)    The Manager and other duly authorized employees are authorized to obtain information concerning industrial processes which have a direct bearing on the kind and source of discharge to the wastewater collection system.

   (d)    The Manager or other duly authorized employees of the Board bearing proper identification shall be permitted to enter all private properties through which the Board holds a duly negotiated easement for the purpose of, but not limited to, inspection, observation, measurement, sampling, repair and maintenance of any portion of the wastewater facilities lying within such easement. All entry and subsequent work shall be done in full accordance with the terms of the easement pertaining to the private property involved.

(Ord. 578. Passed 10-5-82.)

921.12 DETRIMENTAL WASTES.

   (a)    No person shall discharge or cause to be discharged any unpolluted waters such as stormwater, groundwater, roof runoff, subsurface drainage or cooling water to any sewer.

   (b)    No person shall discharge or cause to be discharged any of the following described waters or wastes to any public sewer:

      (1)    Any gasoline, benzene, naphtha, fuel oil, motor oil or other flammable or explosive liquid, solid or gas.

      (2)    Any water or waste with a BOD in excess of 300 milligrams per liter, except as provided for herein.

      (3)    Any water or waste containing suspended solids in excess of 300 milligrams per liter, except as provided for herein.

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

      (5)    Any water or waste having a pH lower than 6.5 or greater than 8.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment or personnel of the wastewater works or the public sewers.

      (6)    Any solid or viscous substances in quantities or of such size capable of causing obstruction to the flow in sewers, or other interference with the proper operation of the wastewater facilities such as, but not limited to, gravel, ashes, bones, red dog, sand, mud, coal, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, unground garbage, whole blood, paunch manure, hair and fleshings, entrails and paper dishes, cups, milk containers, etc., either whole or ground by garbage grinders.
(Ord. 578. Passed 10-5-82.)

   (c)    The following described substances, materials, waters or wastes shall be limited in discharges to the sewer system, to concentrations or quantities which will not harm either the sewers, wastewater treatment process or equipment; will not have an adverse effect on the receiving stream; or will not otherwise endanger lives, limb, public property or constitute a nuisance. The limitations or restrictions on materials or characteristics of waste or wastewater discharged to the sewer system which shall not be exceeded by any person without approval of the Manager are as follows:

      (1)    Wastewater having a temperature higher than 40° Centigrade.

      (2)    Wastewater containing more than eighty milligrams per liter of petroleum oil, nonbiodegradeable cutting oils, products of mineral oil origin.

      (3)    Wastewater containing floatable oils, fat or grease in excess of 500 milligrams per liter.

      (4)    Any garbage that has not been properly shredded with no particle greater than one-half inch in any dimension. Garbage grinders may be connected to sanitary sewers only from homes, hotels, institutions, restaurants, hospitals or similar places where garbage originates from the preparation of food in on-site kitchens for the purpose of consumption on the premises.

      (5)    Any water or waste containing iron, chromium, copper, zinc, mercury, and similar objectionable or toxic substances to such degree that any such material received in the composite wastewater at the waste treatment works exceeds the limits established by the Manager for such materials.

      (6)    Any water or waste containing color-producing or odor-producing substances exceeding limits which may be established by the Manager .

      (7)    Any radioactive wastes or isotopes of such half-life or concentration as may exceed limits established by the Manager in compliance with applicable State or Federal regulations.

      (8)    Quantities of flow, concentrations or both which constitute a "slug" as defined herein.

      (9)    Water or waste containing substances such as synthetic detergents which are not amenable to treatment or reduction by the wastewater treatment processes employed, or are amenable to treatment only to such degree that the waste water treatment plant effluent cannot meet the requirements of other agencies having jurisdiction over discharge to the receiving waters.

         (Ord. 787. Passed 6-28-88.)

   (d)    Grease, oil and sand interceptors shall be provided when, in the opinion of the Manager, they are necessary for the proper handling of liquid wastes containing grease in excess of amount provided in Section 921.12, or any flammable wastes, sand and other harmful ingredients; except that such interceptors shall not be required for private living quarters or dwelling units. All interceptors shall be of a type and capacity approved by the Manager, and shall be located as to be readily and easily accessible for cleaning and inspection.

   Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature. They shall be of substantial construction, watertight and equipped with easily removable covers which when bolted in place shall be gastight and watertight.

   Where installed, all grease, oil and sand interceptors shall be maintained by the owner, at his expense, in continuously efficient operation at all times.

   (e)    No statement contained in this article shall be construed as preventing any special agreement or arrangement between the Board and any industrial concern whereby an industrial waste of unusual strength or character may be accepted by the Board for treatment.
(Ord. 578. Passed 10-5-82.)

921.13 ADMISSIONS OF INDUSTRIAL WASTES.

   (a)    No person shall discharge or cause to be discharged into the sewer system any industrial wastes except upon application to the Board and upon receipt of a written permit therefor. An industrial waste permit shall be in addition to any other permit required for connection to the sewer system. There is no fee required for an industrial waste permit.

   (b)    Any person desiring to make or use a connection to the sewer system through which industrial wastes will be discharged into the sewer system shall file with the Board an industrial wastes questionnaire, to be furnished by the Board, which shall supply pertinent data, estimated quantity, flow characteristics and constituents, with respect to the industrial wastes.

   (c)    Any person shall discharge industrial wastes into the sewer system, when required by the Board, shall construct and thereafter properly maintain at his own expense, a suitable and accessible control manhole and other devices as may be approved by the Manager to facilitate observation, accurate measurement and sampling by the Board of industrial waste discharges.

   (d)    Any improved property discharging industrial wastes into the sewer system and contemplating a change in the method of operation which will alter the characteristics and/or volume of wastes at the time being discharged into the sewer system shall notify the Board, in writing, at least sixty days prior to consummation of such change. The Board reserves the right to require improved properties having large variations in rates of waste discharge to install suitable regulating devices for equalizing waste flows to the sewer system.

   (e)    The Board reserves the right to impose surcharges on sewer user charges and/or impose other requirements in connection with any high strength or industrial waste discharged into the system by agreement with the owner of the improved property, in accordance with the methods described in this article, or by modification or alterations to this article as may be acceptable to the DNR, EPA and/or require the pretreatment of such industrial waste at the expense of such owner.

(Ord. 578. Passed 10-5-82.)

921.14 CHANGE OF CUSTOMER.

   Each sewer service permit applicant must give written notice to the Board upon any change in ownership of any improved property. The applicant must give written notice also of any change in tenancy and the applicant shall be liable for any sewer user charges that may accrue prior to the notice of vacation of premises.

(Ord. 578. Passed 10-5-82.)

921.15 DISCONTINUANCE OF SERVICE.

   Any customer desiring discontinuance of sewer service due to the vacancy of his premises shall make application therefor directly to the Manager. In the case of premises with private water facilities, such application shall be supported by an affidavit to the effect that such water supply has been shut off. Application for exoneration must be made at least five days in advance of the beginning of discontinuance of service. In all cases involving water service from the City, such service shall not be restored until the owner of the improved property has paid the necessary charge for the reinstallation of the water main and opening of the water service line.

(Ord. 578. Passed 10-5-82.)

921.16 REFUND AGREEMENTS.

   In cases where extension to the sewer system are constructed by a builder or developer at his own expense, or by a group of applicants at their own volition and expense, as outlined in the Public Service Commission rules and regulations for the operation of sewer utilities, a refund of a portion of the sewer user charges paid by customers occupying dwellings served may be made to the builder, developer or other applicants under the terms of a refund agreement, entered into between the Board and the builder, developer or other applicants. Such agreement will provide for refund not exceeding such amounts and for such periods as may be authorized by the Board. Each refund agreement shall be an individual agreement between the interested parties, and shall not be construed as outlining a definite procedure as to percentage or refund or the duration thereof. Each and every separate refund agreement shall be negotiated independently of any other existing similar agreement. In no event shall the terms of any refund agreement exceed ten years in duration.

(Ord. 578. Passed 10-5-82.)