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City of Portland

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17.39.030 Allowable Discharges.

(Amended by Ordinance No. 186902, effective December 26, 2014.)  The following discharges are allowed to enter the City storm sewer and drainage system without notice to or authorization from the City unless required under administrative rules:

A.  Stormwater that does not contain toxic substances and is not otherwise prohibited.

B.  Non-stormwater discharges authorized by the City’s Water Pollution Control Facility (WPCF) Class V Underground Injection Control (UIC) or NPDES Municipal Storm Sewer System (MS4) Discharge permit, except for those discharges subject to the use of BMPs by administrative rule.