The paper presents information on the sewage of residential areas in the historical buildings of Samara. Studies have shown that one of the main problems in the areas of historic urban development is the failure to comply with sanitary standards, due to the presence of yard dumps for collecting waste from non-canalized households. Based on the analysis of archival sources, about 40% of houses with courtyards that could theoretically be connected to a centralized sewerage network already by 1930.
