The line graph shows water quality of UK’s river during 1990 until 2002. This entails data from Wales, Northern Ireland, England, and Scotland, measured in percentages. The record depicts variation from each area.
In an overview, Wales and Northern Ireland had similar pattern, having a consistent good water quality from 1990 to 1998. On the other hand, England and Scotland had their own similarities in terms of the condition of their rivers.
From 1990 until 1998, Wales leads the statistics on having the best rivers in all UK by constantly having 95-98%. Second to it is Northern Ireland as it waters improves consistently from 82% to 89% in 1998. When the new millennium entered, records showed a complete diversion of water quality. Wales’s rivers worsened and continues to tail off until 2002 as it reached 80%. In contrast, Ireland’s waters significantly improved by more than 10% as it reached 99% quality then slightly decreased to 96% by 2002.
In regards to England’s and Scotland’s rivers, it can be seen how both had low levels of good chemical quality. Initially, England had 45% while Scotland had 21%. Both peaked and in different years, England had cleanest waters by 1996 with almost 70% and the latter peaked in 2000 achieving 60%. Each area declined dramatically after.
In summary, rivers in Wales and Northern Ireland are significantly better than rivers in England and Scotland. By 2002, Northern Ireland leads the ranks and Scotland garnered the lowest.