Vodokanal’s jubilee edition is designed in the format of a brief encyclopaedia, which contains 165 interesting facts about the history of Vodokanal of St. Petersburg: from wooden pipes to smart crayfish at treatment facilities. Readers will learn what challenges had to be overcome in the past to provide water to the city’s residents and what achievements have been made in the present through advances in technology. The book uses a modern approach to texts: information is presented briefly and succinctly, divided into conceptual block and self-explanatory facts. Figures presented in infographics help the reader to instantly grasp the meaning embedded in this or that fact, for which a separate page of the edition is allocated.