What is the definition of "effluent" in the context of wastewater?

In the context of wastewater, "effluent" specifically refers to sewage or sludge that is discharged from a collection, holding, or transfer system (CHT) or a wastewater treatment facility (MSD). This definition is essential because effluent is a critical component of the wastewater management process, representing what is released into the environment after treatment.

Understanding effluent is important for grasping how wastewater systems operate and how they manage potentially harmful substances before they reach water bodies. The importance of monitoring and treating effluent before discharge ensures that the impacts on human health and ecosystems are minimized.

The other definitions provided do not accurately depict effluent. Filtered water from lakes does not fall under the definition of effluent, as it pertains to surface water sources rather than treated waste. Water extracted from rain refers to precipitation, which is unrelated to wastewater processes. Finally, water that is safe for drinking pertains to potable water and is significantly different from effluent, which may still contain contaminants unless adequately treated.