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Where confidence is not high (a score of three or lower), results should be viewed with caution. An example of this is for water quality in the freshwater river basins, which has a confidence score of three. This is because the overall score for water quality is derived from only one site per river basin. Even though samples are taken monthly from these sites, caution should be used when interpreting results as the site sampled might not represent the rest of the waterways in the basin (for example water quality in the upper sections of a waterway may be in better condition than in the lower section where a sample site is located and vice versa). For more information see our confidence page and the interactive results page, where confidence for each indicator is shown.

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