(A) The admission into the public sewers of any waters or wastes:
(1) Containing a 5 day BOD greater than 300 mg/l or containing more than 350 mg/l of suspended solids or 10 mg/l of phosphorus;
(3) Having any average daily flow greater than 2% of the average daily flow of the city shall be subject to review and approval of the city. Preliminary treatment shall be provided, at no expense to the city, as may be necessary to reduce the BOD to 300 mg/l and suspended solids to 350 mg/l or to reduce objectionable characteristics of the effluent to within the maximum limits provided for in § 68-172 or to control the quantity and rates of discharges of such waters or wastes. On direction of the city, a person may be required to remove, exclude, or require pretreatment of any industrial waste, in whole or in part, for any reasons deemed to be in the city’s interest. Where preliminary treatment facilities are provided for any waters or wastes, they shall be maintained in satisfactory and effective operation at no expense to the city. Plans, specifications and any other pertinent information relating to proposed preliminary treatment facilities shall be submitted for approval to the city, and no construction of such facility shall be commenced until the approvals are obtained in writing. The city may elect to treat industrial wastes discharged in excess of normal domestic concentrations on a basis prescribed by written agreement and for an established surcharge to cover the added cost. All such preliminary treatment or pretreatment shall be in accordance with federal and state laws and regulations, including §§ 68-186 et seq. All expenses of city services of such preliminary treatment facilities, plans and specifications shall be borne by the owner.
(B) Grinder pump station required.
(1) Grinder pump station shall be provided and maintained in the proper operating condition at all times at the expense of the property owner for the proper handling of liquid waste containing any materials which would be capable of causing an obstruction to flow in sewers or other interference with the proper operation of the sewage works.
(2) Grinder pumps will be required for any non-domestic user whom may have the potential of discharging any material which may cause obstruction to sewer flow. Grinder pumps may be required for other users as determined necessary by the POTW superintendent.
(3) Grinder pump stations shall be of a type and capacity approved by the city and shall be located as to be readily and easily accessible for cleaning, inspection, and maintenance.
(4) Each property owner served by a grinder pump shall close the sewage system and cease operation during any period when the grinder pump and/or low pressure system serving a property is inoperable.
(5) Each property owner served by a grinder pump shall bear full responsibility for providing, installing, using, operating, maintaining, servicing, repairing, and replacing his or her grinder pump and/or its low pressure force main or lateral, unless otherwise set forth herein.
(1993 Code, § 68-174) (Ord. passed 1-22-2001; Ord. 2014-01, passed 1-27-2014)