Which of the following is a method of wastewater treatment accepted by TCEQ for OSSFs?

The activated sludge process is a widely accepted method of wastewater treatment utilized in onsite sewage facility systems (OSSFs) as recognized by the Texas Commission on Environmental Quality (TCEQ). This method involves aerating sewage to promote the growth of microorganisms, which consume organic matter and help reduce biochemical oxygen demand (BOD) in the wastewater. By allowing for efficient breakdown and treatment of contaminants, the activated sludge process significantly improves the quality of effluent leaving the treatment system, making it safer for discharge into the environment or for further use.

The significance of this method lies in its ability to adapt to varying quantities and qualities of wastewater, making it suitable for diverse applications, including residential and commercial properties. It is a robust, effective treatment, allowing for the centralized processing of wastewater with established performance standards for efficiency and reliability.

While other options may offer solutions for specific applications or types of waste management, they do not necessarily meet the same regulatory recognition or general applicability for OSSFs in comparison to the activated sludge process.