For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
ACT. The Federal Water Pollution Control Act, also known as the Clean Water Act, as amended, 33 U.S.C. 1251, et. seq.
BOD. The value of the five day test for biochemical oxygen demand, as described in the latest edition of "Standard Methods for the Examination of Water and Wastewater."
COD. The value of the test for chemical oxygen demand, as described in the latest edition of "Standard Methods for the Examination of Water and Wastewater."
EPA. The United States Environmental Protection Agency.
FATS, OILS, AND GREASES (FOG). Organic polar compounds derived from animal and/or plant sources that contain multiple carbon chain triglyceride molecules. These substances are detectable and measurable using analytical test procedures established in 40 CFR 136, as may be amended from time to time. All are sometimes referred to herein as "grease" or "greases."
GENERATOR. Any person who owns or operates a grease trap/grease interceptor, or whose act or process produces a grease trap waste.
GREASE TRAP or INTERCEPTOR. A device designed to use differences in specific gravities to separate and retain light density liquids, waterborne fats, oils, and greases prior to the wastewater entering the sanitary sewer collection system. These devices also serve to collect settleable solids generated by and from food preparation activities, prior to the water exiting the trap and entering the sanitary sewer collection system. GREASE TRAPS and INTERCEPTORS are also referred to herein as "grease traps/interceptors."
GREASE TRAP WASTE. Material collected in and from a grease trap/interceptor in the sanitary sewer service line of a commercial, institutional, or industrial food service or processing establishment, including the solids resulting from de-watering processes.
INDIRECT DISCHARGE or DISCHARGE. The introduction of pollutants into a POTW from any non-domestic source.
INTERFERENCE. A discharge which alone or in conjunction with a discharge or discharges from other sources inhibits or disrupts the POTW, its treatment processes or operations or its sludge processes, use or disposal, or is a cause of a violation of the city's TPDES permit.
PH. The measure of the relative acidity or alkalinity of water and is defined as the negative logarithm (base 10) of the hydrogen ion concentration.
POTW or PUBLICLY OWNED TREATMENT WORKS. A treatment works which is owned by a state or municipality as defined by § 502(4) of the Clean Water Act. POTW 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 all sewers, pipes and other conveyances that convey wastewater to a POTW Treatment Plant. POTW also means the municipality as defined in § 502(4) of the Act, which has jurisdiction over the indirect discharges to and the discharges from such a treatment works. For purposes of this chapter, the terms "sanitary sewer system" and POTW may be used interchangeably.
TCEQ. The Texas Commission on Environmental Quality, and its predecessor and successor agencies.
TRANSPORTER. A person who is registered with and authorized by the TCEQ to transport sewage sludge, water treatment sludge, domestic septage, chemical toilet waste, grit trap waste, or grease trap waste in accordance with Tex. Administrative Code § 312.142.
TSS. The value of the test for total suspended solids, as described in the latest edition of "Standard Methods for the Examination of Water and Wastewater."
USER. Any person, including those located outside the jurisdictional limits of the city, who contributes, causes or permits the contribution or discharge of wastewater into the POTW, including persons who contribute such wastewater from mobile sources.
(Ord. 22-0321, passed 3-21-2022)