Gross load of organic pollution

For sanitation in an agglomeration, the sum of connected domestic pollution and industrial pollution. It is the daily pollution peak in dry weather. For industries, this pollution is determined by the water agencies using standard or measured coefficients, depending on the type of activity and the volume of activity. The gross load of organic pollution is defined by Article R2224-6 of the General Code of Local Authorities, such as the oxygen weight corresponding to the five-day biochemical oxygen demand (BOD5) calculated on the basis of the daily average load in the week during which occurred the highest load of pollutants in the year.