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Scotland: unpolluted river water 1994-2016

This statistic shows the proportion of Scotland's river water that was unpolluted from 1994 to 2016. Since 1999, there has been an overall improvement in the quality of river water, although between 2007 and 2014 there had been a net increase in the proportion of polluted rivers in Scotland. The highest proportion of unpolluted rivers was 86.8 percent in 2012.

Proportion of river water unpolluted in Scotland from1994 to 2016 (percentage of total river length)*

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Release date

September 2017


United Kingdom (Scotland)

Survey time period

1994 to 2016

Supplementary notes

* Figures are based on data from 253 sites across Scotland (rivers or sections of rivers) which account for approximately 10 percent of all water bodies.

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