A.   The purpose of this title is to ensure the health, safety, and general welfare of the citizens of Oak Brook, Illinois, and protect and enhance water quality in a manner pursuant to and consistent with the federal water pollution control act (33 USC section 1251 et seq.) through the regulation of nonstormwater discharges to the storm drainage system. This title establishes methods for controlling the introduction of discharges other than those occurring as a direct result of precipitation and/or snowmelt into the municipal separate storm sewer system (MS4) and the storm drainage system in order to comply with requirements of the national pollutant discharge elimination system (NPDES) phase II permit process. Other purposes of this title include:
      1.   To regulate the contribution of pollutants to the MS4 and the storm drainage system by nonstormwater discharges; and
      2.   To prohibit illicit connections and discharges to the MS4 and the storm drainage system; and
      3.   To protect and enhance the quality, quantity, and availability of surface and ground water resources; and
      4.   To preserve and enhance existing aquatic and riparian environments and encourage restoration of degraded areas; and
      5.   To promote equitable, acceptable, and legal measures for stormwater management. (Ord. G-897, 9-8-2009, eff. 9-8-2009)