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§ 51.021  RESTRICTED DISCHARGE SUBJECT TO SUPERINTENDENT’S REVIEW.
   No person shall discharge or cause to be discharged the following described substances, materials, waters, or wastes if it appears likely in the opinion of the Superintendent that such washes can harm either the sewers, sewage treatment process, or equipment, have an adverse effect on the receiving stream, or can otherwise endanger life, limb, public property, or constitute a nuisance. In forming his opinion as to the acceptability of these wastes, the Superintendent will give consideration to such factors as the quantities of subject wastes in relation to flows and velocities in the sewers, materials of construction of the sewers, nature of the sewage treatment process, capacity of the sewage treatment plant, degree of treatability of wastes in the sewage treatment plant, and other pertinent factors. All waste limitations or prohibitions shall conform to NPDES permit requirements, pretreatment standards, and all other unspecified state and federal regulations. The substances prohibited are:
   (A)   Any liquid or vapor having a temperature higher than 150°F (65°C).
   (B)   Any water or waste containing fats, wax, grease, or oils whether emulsified or not, in excess of 100 mg/l or containing substances which may solidify or become viscous at temperatures between 32 and 150°F and (65°C).
   (C)   Any garbage that has not been properly shredded. The installation and operation of any garbage grinder equipped with a motor of three fourth horsepower (0.76 hp metric) or greater shall be subject to the review and approval of the Superintendent.
   (D)   Any waters or wastes containing strong acid iron pickling wastes, or concentrated plating solutions whether neutralized or not.
   (E)   Any waters or wastes containing iron, chromium, copper, zinc, and similar objectionable or toxic substances; or wastes exerting an excessive chlorine requirements, to such degree that any such material received in the composite sewage at the sewage treatment works exceeds the limits established by the Superintendent for such materials.
   (F)   Any waters or wastes containing phenols or other taste, or odor producing substances, in such concentrations exceeding limits which may be established by the Superintendent as necessary, after treatment of the composite sewage, to meet the requirements of the state, federal, or other public agencies of jurisdiction for such discharge to the receiving waters.
   (G)   Any radioactive wastes or isotopes of such halflife or concentration as may exceed limits established by the Superintendent in compliance with applicable state or federal regulations.
   (H)   Any waters or wastes having a pH in excess of 9.5.
   (I)   Materials which exert or cause:
      (1)   Unusual concentrations of inert suspended solids (such as, but not limited to, Fullers earth, lime slurries, and lime residue) or of dissolved solids (such as, but not limited to, sodium chloride and sodium sulfate).
      (2)   Excessive discoloration (such as, but not limited to, dye wastes and vegetable tanning solutions).
      (3)   Unusual BOD, chemical oxygen demand, or chlorine requirements in such quantities as to constitute a significant load on the sewage treatment works.
      (4)   Unusual volume of flow or concentration of wastes constituting “slug” as defined herein.
   (J)   Waters or wastes containing substances which are not amenable to treatment or reduction by the sewage treatment processes employed, or are amendable to treatment only to such degree that the sewage treatment plant effluent cannot meet the requirements of other agencies having jurisdiction over discharge to the receiving waters.
(Ord. 504-76, passed 7-20-76)  Penalty, see § 51.999
§ 51.022  SUPERINTENDENT ACTION UPON IMPROPER DISCHARGE.
   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 § 51.021 of this subchapter, and which in the judgment of the Superintendent may have a deleterious effect upon the sewage works, processes, equipment, or receiving water, or which otherwise create a hazard to life or constitute a public nuisance, the Superintendent shall:
   (A)   Require new industries or industries with significant increase in discharges to submit information on wastewater characteristics and obtain prior approval for discharges.
   (B)   Reject the wastes in whole or in part for any reason deemed appropriate by the city.
   (C)   Require pretreatment of such wastes to within the limits of normal sewage as defined.
   (D)   Require control or flow equalization of such wastes so as to avoid any “slug” loads or excessive loads that may be harmful to the treatment works, or
   (E)   Require payment of a surcharge on any excessive flows or loadings discharged to the treatment works to cover the additional costs of having capacity for and treating such wastes.
(Ord. 504-76, passed 7-20-76)
BUILDING SEWERS AND CONNECTIONS
§ 51.035  PERMIT REQUIRED.
   No unauthorized person shall uncover, make any connections with or opening into, use, alter, or disturb any public sewer or appurtenance thereof without first obtaining a written permit from the Clerk-Treasurer.
(Ord. 504-76, passed 7-20-76)  Penalty, see § 51.999
§ 51.036  CLASSES OF PERMITS FEES; APPLICATION.
   (A)   There shall be two classes of building sewer permits:
      (1)   For residential and commercial service, and
      (2)   For service to establishments producing industrial wastes.
   (B)   In either case, the owner or his agent shall make application on a special form furnished by the city. The permit application shall be supplemented by any plans, specifications, or other information considered pertinent in the judgment of the Inspector. A permit and inspection fee of $5 for a residential or commercial building sewer permit and $15 for an industrial building sewer permit shall be paid to the Clerk-Treasurer at the time the application is filed.
(Ord. 504-76, passed 7-20-76)
§ 51.037  COSTS TO BE BORNE BY OWNER.
   All costs and expense incident to the installation and connection of the building sewer shall be borne by the owner. The owner shall indemnify the city from any loss or damage that may directly or indirectly be occasioned by the installation of the building sewer.
(Ord. 504-76, passed 7-20-76)
§ 51.038  SEPARATE SEWER REQUIRED FOR EVERY BUILDING; EXCEPTION.
   A separate and independent building sewer shall be provided for every building; except where one building stands at the rear of another on an interior lot and no private sewer is available or can be constructed to the rear building through an adjoining alley, court, yard, or driveway, the building sewer from the front building may be extended to the rear building and the whole considered as one building sewer.
(Ord. 504-76, passed 7-20-76)  Penalty, see § 51.999
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