“Pass-through” means a discharge which exits the POTW treatment plant into waters of the United States in quantities or concentrations which, alone or in conjunction with a discharge or discharges from other sources, is the cause of a violation of any requirement of water quality standards or bottom sediments quality standards of the state of Washington or of the POTW’s NPDES permit (including an increase in the magnitude or duration of a violation).

“Person” means any individual, partnership, proprietorship, firm, company, corporation, association, trust, estate, governmental entity, or any other legal entity, or their legal representatives, agents or assigns. For the purposes of this chapter, the masculine gender shall be construed as including the feminine, and references to the singular shall include the plural where indicated by the context.

“pH” is a measure of the acidic or basic properties of a substance and is defined as the logarithm, to the base 10, of the reciprocal of the concentration of hydrogen ions in grams per liter of solution.

“Pollutant” means dredged spoil, solid waste, incinerator residue, sewage, garbage, sludge, munitions, chemical wastes, biological materials, radioactive materials, heat, wrecked or discarded equipment, rock, sand, cellar dirt and industrial, municipal and agricultural waste discharged into water.

“POTW” (denoting “publicly owned treatment works”) means a treatment works as defined by Section 212 of the Act, which is owned by a state or municipality (as defined by Section 502(4) of the Act). This definition includes any devices and systems used in the storage, treatment, recycling and reclamation of municipal sewage or industrial wastes of a liquid nature. It also includes sewers, pipes and other conveyances only if they convey wastewater to a POTW treatment plant.

“POTW treatment plant” means that portion of the POTW which is designed to provide treatment (including recycling and reclamation) of municipal sewage and industrial waste.

“Premises” means a continuous tract of land, building, or group of adjacent buildings under a single control with respect to use of sewer and responsibility for payment therefor. Subdivision of such use or responsibility shall constitute a division into separate premises as here defined.

“Pretreatment” means the reduction of the amount of pollutants, the elimination of pollutants or the alteration of the nature of pollutant properties in wastewater to a less harmful state prior to discharge of such pollutants into the POTW sewer system. The reduction or alteration of pollutants can be obtained by physical, chemical or biological processes, except as prohibited by 40 CFR 403.6(d).

“Properly shredded garbage” means the solid wastes from the preparation, cooking and dispensing of food that have been shredded so that 100 percent will pass a three-eighths-inch sieve and 75 percent will pass a one-quarter-inch sieve.

“Public sewer system” (also “POTW sewer system”) means the sewer pipes, chambers, structures and appurtenances in publicly owned land or easements in which all owners of abutting property have equal rights and which are controlled by the city of Lynnwood. (Ord. 3220 § 1, 2016; Ord. 2742 § 1, 2008; Ord. 1706, 1989)