In wastewater treatment, what does BOD stand for?

BOD stands for Biochemical Oxygen Demand, which is a critical measurement in wastewater treatment. It quantifies the amount of oxygen that microorganisms will consume while decomposing organic matter in water. This metric is essential for evaluating the organic pollution level in wastewater. High BOD values indicate a high level of organic material, which can lead to depletion of oxygen in receiving water bodies if not treated properly. Effective management of BOD is crucial for ensuring that aquatic ecosystems remain healthy and that treated wastewater is safe to discharge into the environment, as low oxygen levels can harm fish and other aquatic life. Understanding BOD helps wastewater treatment facilities design processes that efficiently reduce pollutants, ultimately benefiting water quality.