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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 nitrate (mg NO₃/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.

A little more than one tenth (13 %) of river sites in Ukraine have very low concentrations of nitrate (< 0.8 mg NO₃/l) and 34 % have concentrations below 2.0 mg NO₃/l. One fifth (23 %) of sites have nitrate concentrations greater than 3.6 mg NO₃/l, which is a high concentration. The average current concentration of nitrates measured in 131 river sites in Ukraine is 3.23 mg NO₃/l.

Nitrate and phosphate pollution in rivers is highly variable. Almost all sites on the Sievercki Donets river are highly polluted with nitrate. On the other hand, all sites on the Desna river and the majority of sites on the Dnipro river have low nitrate concentrations. The concentrations of nitrate along the Dniester river vary a lot: eight sites fall into the low class, seven into the moderate class and four into the high class. The Tisa river is moderately polluted along almost all of its length in Ukraine.