... regions throughout 1990. We will now look at the poor and bad percentage differences with all the regions. North West started in 1990 with the worst quality water and throughout the decade remained by far to have the worst quality water which was provided. All the regions decreased the amount of bad or poor river quality with not much difference between them. Wales only had 4% which is the lowest poor or bad percentage within the areas, which also halved by 2005. The next analysis will conclude the southern region issue, Even though the area had improved, it was the area which only improved by 7%. The other lowest one was 14% (Wales) where the other regions were between 22% and 29%. This was the increase of good quality water. Overall Wales and England have continuously delivered the best quality water for more than a whole decade. The quality increased by a further ...

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