Author of the real book, candidate of legal sciences Д.О. Сиваков, using vast legal material, exposes maintenance of water legal relationships in Russia, CIS, other foreign countries at all stages of their origin and development. Interesting facts are attracted for illustration of thorny problems of application of norms of water right, authorial vision of debatable questions is given.The features of different kinds open up in-process water consumptions. Research of water legal relationships and problems of development of water economy conducted by an author in the context of global calls of ecological crisis and in the light of ideas of Water strategy of Russia 2020 toFor a book the popular language of exposition, doing this research accessible for the wide circle of readers, is characteristic.A book will be useful to the lawyers, hydrologists, hydraulic engineers, ichthyologists, geographers, environmentalists - all those, who water property of humanity is unindifferent.