On the Volga, an excess of the norm of manganese by 40 times was revealed, on the Don – of ammonium ion by 50 times
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Rosprirodnadzor took 3.5 thousand samples on the Volga and 2.5 thousand on the Don in 2022, head of the department Svetlana Radionova said “RIA News”. Both there and there, multiple excesses of the maximum permissible concentration (MPC) of harmful substances were revealed.
On the Volga, an excess of the MPC for biochemical oxygen consumption by 65 times was revealed in the places of activity of housing and communal services enterprises. MPC for manganese was exceeded by more than 40 times at the place where oil refineries operate. In the mouth sections of small rivers flowing into the Don, an excess of the MPC of ammonium ion by more than 50 times, the MPC of iron by 20 times was revealed.
From April 20, Rosprirodnadzor will continue a large-scale inspection of water bodies. The Irtysh, Don, Volga, Ob and Angara will be surveyed.
Which regions have the most environmental problems – in the material “Kommersant” “Well-being was measured in tons and liters”.
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