This was announced at a press conference in the news agency “Tatar-Inform” by Deputy Minister for Civil Defense and Emergencies of the Republic of Tatarstan, Nikolai Surzhko. “Now there is a downturn of flood waves in the Upper Volga and Kama”, said Deputy Minister of Ecology and Natural Resources of the Republic of Tatarstan on Subsoil Use, Timur Akchurin. From April 20, there were set maximum possible safety waste drain – 29 thousand cubic meters per second, which will continue until the value of the tributaries from the Upper Volga, Kama, Vyatka decrease.