A user may not discharge, or cause to be discharged, wastewater into any city facility if it contains substances or has characteristics which, either alone or by interaction with other wastewater, cause or threaten to cause:
A. Damage to city facilities;
B. Interference or impairment of operation or maintenance of the city facilities;
C. Obstruction of flow in city facilities;
D. Hazard to human life;
E. The plant to be in noncompliance with sludge use or disposal criteria, guidelines, or regulations;
F. The city to violate its National Pollutant Discharge Elimination System (NPDES) permit or the receiving water quality standards;
G. Flammable or explosive conditions;
H. A noxious or malodorous condition, a public nuisance, a hazard to life, or conditions sufficient to prevent normal entry into the sewers or other city facility for maintenance and repair;
I. Objectionable coloration or other condition in the quality of the city's treatment plant influent, which interferes with or passes through treatment plant;
J. Conditions which violate any statute, rule, regulation, or ordinance of any public agency, relating to releases of hazardous wastes, hazardous substances or other pollutants to the environment when such release is to a publicly-owned sanitary sewer;
K. Any alteration or change of the city's NPDES permit or any additional regulatory supervision, intervention, or oversight of city's operations;
L. Any alteration of the city's treatment plant processes. (Ord. 01-102 § 2(part), 2001).