(a) Requirements. Except as provided in subsection (b), each user shall meet each of the following standards: the pretreatment standards set forth in this subtitle and in regulations promulgated by the Director and the State's pretreatment regulations set forth in COMAR, Title 26. In addition, each categorical user shall also meet the national categorical pretreatment standards set forth in 40 CFR Chapter I, Subchapter N, Parts 405 - 471.
(b) Conflict. In the event of an irreconcilable conflict between any of the standards set forth in subsection (a), the more stringent standard shall apply.
(c) Authority of Director. The Director may adopt, impose, change, or modify specific pollutant limitations or requirements for discharges into the County system, whether for specific or general uses or in general in order to conform with State or federal pretreatment regulations or requirements or to protect worker and public health, safety, and welfare.
(d) Prohibition. Unless expressly authorized by an applicable pretreatment standard or requirement, a user may not increase the use of potable or process water or attempt to dilute a discharge as a partial or complete substitute for adequate treatment to achieve compliance with any federal, State, or local pretreatment standard or requirement.
(e) Mass limitations. The Director may impose mass limitations on any user using dilution to meet pretreatment standards or requirements.
(f) Industrial users. Industrial users shall comply with the federal pretreatment regulations in 40 CFR Part 403, the national categorical pretreatment standards set forth in 40 CFR, Subchapter N, Parts 405 - 471, and all applicable federal, State, or local statutes, ordinances, and regulations.
(g) Discharge standards when another jurisdiction involved. Users that discharge to jurisdictions outside the County shall comply with the discharge standards adopted by the County or the outside jurisdiction, whichever is more stringent. Users located outside the County that contribute wastewater to County wastewater treatment plants shall comply with the provisions of this subtitle or the standards of the jurisdiction where the user is located, whichever is more stringent.
(1985 Code, Art. 25, § 25-5-505) (Bill No. 40-85; Bill No. 66-85; Bill No. 53-90; Bill No. 94-92; Bill No. 63-04)