All industrial/commercial users proposing to connect or to discharge, directly or indirectly, into a public sanitary or combined sewer must apply for a wastewater discharge permit before connecting to or discharging into a public sanitary or combined sewer. All industrial or commercial users connected to or discharging into a public sewer after June 28, 1984, must apply for a permit. The discharge of industrial or commercial wastewater to the public sewer without having applied for a permit shall result in the assessment of penalties as provided by §§ 3-2 and 23-4. These users include:any user who is subject to national categorical pretreatment standards; any significant industrial user; any user whose discharge would be in violation of Subtitle 2 {“Control of Sanitary and Storm Sewers”} of <cite data-path="|25">this article</cite>; any user regulated by state pretreatment requirements; any user using, storing, or generating prohibited, toxic, or priority pollutants; and any other user as required by the Director. No industrial/commercial user shall discharge wastewater directly or indirectly into a public sewer except pursuant to and in accordance with a wastewater discharge permit, when determined by the Director that a permit is required. City Code, 1976/83, art. 25, §7(a)(1) Ord. 84-129 Ord. 91-775