Residents of the city reported that in the Novo-Savinovsky district, foam of an incomprehensible color appeared on the coastal strip of the Kazanka River. Environmentalists left following the complaint. State inspectors in the field of environmental protection of the Central Territorial Administration of the Ministry of Ecology and Natural Resources of the Republic of Tatarstan, together with specialists of the Central Department for Environmental Supervision, selected samples of contaminated snow for the hazard class and pollutants. Samples of natural water and soil were taken for chemical analysis. In order to determine the causes of pollution, state inspectors of the Ministry will conduct field surveys of organized sources of wastewater discharge of industrial enterprises.