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Data sources: Data were provided by the Ministry of Ecology and Natural Resources of Ukraine under the ENI SEIS II East project activities.

Note: The present concentration is calculated as the average of the mean concentrations of phosphates (mg P/l) in Ukraine for the year 2017. The total number of river sites included in the analysis is 131. The number of monitoring sites per river is given in parenthesis.

The concentrations of phosphates varies a lot among Ukrainian rivers. On average 15 % of sites fall into the medium range of concentrations, ranging between 0.1 mg P/l and 0.2 mg P/l, but two thirds of all sites in Ukraine have concentrations of phosphates above the medium range. Sites on the Tisa and Prut rivers are the least polluted by phosphates, probably because in Ukraine they are still headwaters. On the Sievercki Donets river, all sites fall into the highest phosphate concentration class. The Pivdenni Bug and Desna rivers are also very polluted with phosphates.  

The average current concentration of phosphates measured in 131 river sites in Ukraine is 0.50 mg P/l. 

Of Ukrainian rivers, Sievercki Donets had the highest concentrations of nitrates and phosphate. The Pivdenni Bug has high phosphate and moderate nitrate pollution. Desna also has high phosphate concentrations, and Tisa has low nitrate but moderate phosphate concentrations.