The Evolution of Water Potability Standards in Brazil

Concern about water quality is historical in Brazil. However, it was in 1977 that the Ministry of Health was given the power to define norms and standards for drinking water. From the 1970s until today, laws, decrees and ordinances have been established and are evolving so that the population has access to water of the […]

BOD and COD. Why monitor and how to evaluate WWTP removal efficiency

BOD (Biochemical Oxygen Demand) and COD (Chemical Oxygen Demand) are two crucial parameters in effluent treatment, helping to assess the efficiency of treatment processes and ensure that treated effluent complies with environmental regulations. Grupo EP is an effluent treatment company that plays a fundamental role in preserving the environment and finding solutions for the management […]