Quality control of bio-enzyme wastewater treatment is essential for ensuring that the treatment process is effective and reliable. Quality control measures include the testing of incoming wastewater, monitoring the performance of the treatment system, and assessing the final effluent quality. Incoming wastewater should be tested for pollutants and contaminants, such as heavy metals, oil and grease, biochemical oxygen demand (BOD), total suspended solids (TSS), and pH levels. Testing of incoming wastewater allows for the identification of any pollutants that may interfere with the treatment process. Monitoring of the performance of the treatment system that influent and effluent concentrations, and the sludge production. Finally, an assessment of the final effluent quality is necessary to ensure that the treatment system is meeting the regulatory requirements for effluent discharge. The effluent should be tested for COD, BOD, TSS, and pH levels. Any effluent that does not meet the regulatory requirements should be further treated or removed from the system. Quality control of bio-enzyme wastewater treatment is essential to ensure the efficient and reliable operation of the treatment system.