<div class="chunk-title">Sec. 70-67. - Industrial wastes.</div>
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               (a)
               
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               <span class="ital">Approval.</span> Any person desiring to deposit or discharge any industrial waste into the county
               sewers shall make application to the county in the manner prescribed therefor. The
               county shall approve in writing such applications only when evidence is submitted
               by the applicant that the discharge into sewers will comply with this article and
               any regulation enacted pursuant thereto.
               
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               (b)
               
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               <span class="ital">Excessive flows or characteristics.</span>
               
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               (1)
               
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               <span class="ital">Determination.</span> In order to prevent overloading the sewage treatment plant by discharges of wastes
               at high rates or by discharges having excessive biological or chemical characteristics,
               the county shall determine from time to time if one or more of the following conditions
               are present with respect to the deposit or discharge of such person:
               
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               a.
               
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               The biological (biochemical) oxygen demand is in excess of 250 parts per million.
               
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               b.
               
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               The pH is lower than 6.0 or higher than 9.0 for a continuous period of 20 minutes.
               
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               c.
               
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               The suspended solids are in excess of 250 parts per million.
               
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               d.
               
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               Either the average rate of flow or the peak rate of flow is in excess of the treatment
               plant's capacity for such flows, respectively; referred to as "excessive flow" in
               this division.
               
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               e.
               
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               The chemical oxygen demand is in excess of 1,200 parts per million.
               
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               (2)
               
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               <span class="ital">Reduction.</span> After such determination, the county shall notify such persons to cease such discharges
               or to take one or more of the following steps to alleviate the condition:
               
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               a.
               
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               In the case of a person whose peak rate of flow is excessive, but whose average rate
               of flow is not excessive, construct a storage tank, holding pond or other device which,
               with suitable flow control, will equalize the flow over a period of 24 hours.
               
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               b.
               
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               Treat his wastes to prevent the flow from exceeding the limit of pH stated in subsection
               (b)(1)b of this section.
               
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               c.
               
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               Reduce the biological (biochemical) oxygen demand of his wastes to such a level that
               the biological (biochemical) oxygen demand is not in excess of 250 parts per million.
               
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               d.
               
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               Reduce the suspended solids of his wastes to such an extent that the suspended solids
               of the flow is not in excess of 250 parts per million.
               
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               e.
               
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               In the case of a person whose average rate of flow is excessive, reduce such flow
               to a nonexcessive level.
               
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               f.
               
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               Reduce COD to 1,200 parts per million.
               
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               (c)
               
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               <span class="ital">Excessive characteristics may be allowed under special approval.</span> At the discretion of the county and with the approval of the board of commissioners,
               in the case where compliance with subsection (c) of this section would create undue
               hardship upon the person discharging waste with excessive characteristics, the county
               may execute a special written approval with such person whereby he will be permitted
               to continue discharge of his wastes uncontrolled in whole or in part. Such permit
               shall provide for such surcharges as may be determined to compensate the county for
               treating the uncontrolled wastes. Determination of the amount of surcharges shall
               be made by application of the principles set forth in<a href="" data-chunk-id="PTIICOOR_CH70UT_ARTIIWASE_DIV6FEAS" class="section-link" data-product-id="14529"> division 6</a> of this article.
               
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               (d)
               
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               <span class="ital">Control manhole.</span> Any person discharging industrial wastes into the sewer system shall construct and
               maintain a suitable control manhole downstream from any treatment, storage or other
               approved works, to facilitate observation, measurement and sampling of all wastes,
               including domestic sewage, from the industry. The control manhole shall be constructed
               in a manner approved by the county.
               
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            <p class="historynote0">
               (Code 1993, Â§ 70-67; Ord. of 10-7-1974, div. II, art. C, Â§ 4)
               
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