Review article

The study considers a complex of measures that would allow solving the problem of non-normative discharges to the city sewerage system. The facility in Saint Petersburg that is a former industrial area with existing combined sewerage network is taken into consideration as an example. The main user of the network is a business centre, the owner of the area. The situation was complicated because there were sub-users of the sewerage network. At the solution of this problem the operations procedure of the chief engineer on identification and elimination of the causes of non-normative discharges to the city sewerage system was worked out.