No health threat from algal toxins in water, DWI concludes

After a four-year study of blue-green algal toxins and their occurrence in water supplies, the Drinking Water Inspectorate (DWI) has concluded that there is no evidence that levels of toxins in tap water pose a risk to health. Studies have found that the toxins are rarely detectable in water supplies even during algal blooms, and that levels do no exceed provisional safety limits.

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