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The time series data from Belarus starts in 1986. Since then, there has been an increase in average nitrate concentrations. This is observed both for the country as a whole and in the different regions. In the last decade there has only been a slow increase in nitrate concentrations. The maximum concentrations for river phosphate occurred between 1988-1990. Concentrations were also high between 2003-2004. Over the past decade, there has been an increase in phosphate concentrations in the Western Dvina and Neman RBMUs, and a decrease in the Western Bug and Dnieper RBMUs, but the overall trend is a slight decrease.