City of Baltimore
Baltimore City Code

§ 3-1. Permit required.

(a) In general.

(1) 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.

(2) All industrial or commercial users connected to or discharging into a public sewer after June 28, 1984, must apply for a permit.

(3) 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.

(b) Users included.

These users include:

(1) any user who is subject to national categorical pretreatment standards;

(2) any significant industrial user;

(3) any user whose discharge would be in violation of Subtitle 2 {"Control of Sanitary and Storm Sewers"} of this article;

(4) any user regulated by state pretreatment requirements;

(5) any user using, storing, or generating prohibited, toxic, or priority pollutants; and

(6) any other user as required by the Director.

(c) Compliance with permit required.

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.