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Non-significant categorical Industrial User permits.

Oklahoma City Municipal Code § 47-310
in effect
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§ 47-310. - Non-significant categorical Industrial User permits. At the Director's discretion, categorical Industrial Users which discharge no more than 100 gallons of categorically regulated process wastewater and are consistently compliant with the categorical pretreatment standards may be regulated as a "Non-Significant Categorical Industrial User" (NSCIU). NSCIUs must still comply with all applicable categorical pretreatment standards and shall submit to the Control Authority at least once every six months (in June and December) Certification of Compliance with the categorical pretreatment standards along with any additional information necessary to support the certification statement, and never discharge any untreated concentrated wastewater. Each NSCIU must obtain a wastewater discharge permit and pay the fee established in Chapter 60, the General Schedule of Fees. (Ord. No. 24155, § 6, 10-19-10)
Source: City of Oklahoma City, Municipal Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/ok/oklahoma_city/codes/code_of_ordinances?nodeId=OKMUCO2020_CH47SESEDI_ARTVIIINHADI_DIV4WADIPEISPR_S47-310NGNCAINUSPEFetched: 10/28/2026

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