The data from the river samples showed that there was a problem with the water treatment plant as the water treatment plant perform poorly.
The water treatment plant were said to have not work properly as the data gotten from the river samples showed that an issue is present with the water treatment plant due to the fact that there was the presence of high amount of pollutants in the river sample.
Note that the presence of pollutants in any given water samples can make the water treatment plant not to do well, as the presence of pollutants shows that there is inefficient water treatment.
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