Texas Wastewater Class B 2025 – 400 Free Practice Questions to Pass the Exam

Organic loading in wastewater treatment specifically refers to the amount of organic matter present in the wastewater that can be measured in terms of biochemical oxygen demand (BOD). BOD represents the amount of oxygen that microorganisms will consume while decomposing organic matter in the water, which is a critical measure of water quality and pollution.

By expressing organic loading as pounds of BOD per acre-feet, it gives a clear indication of the strength of the wastewater in relation to the area being treated. This metric is essential for determining the appropriate treatment processes and understanding the potential environmental impact of the wastewater being processed.

The other choices do not accurately capture the concept of organic loading. The volume of water applied is related to hydraulic loading rather than organic loading. The concentration of nutrients present speaks to elements essential for biological growth but does not specifically refer to organic organic loading metrics. The amount of solid waste generated relates more to the physical waste management process, rather than the biochemical load measured by BOD in water.