This will prevent the appearance of unpleasant odors in residential premises. At the same time, pits should be located so that they are not filled with groundwater during autumn rains and spring melting of snow. The water supply should be located not only at the maximum distance from the sewage system, but also noticeably higher than it, as well as higher than the level of groundwater. The laying of communications should be carried out taking into account aggressive factors - weather, seismic and hydrological phenomena.
