Microplastics in drinking-water – WHO

Microplastics in drinking-water. WHO, 2019.

Recommendations microplastics

  • Water suppliers and regulators should continue to prioritize removing microbial pathogens and chemicals from drinking-water that are known significant risks to human health. As part of water safety planning, water suppliers should ensure that control measures are effective, including optimizing water treatment processes for particle removal and microbial safety, which will incidentally improve the removal of microplastic particles. Routine monitoring of microplastics in drinking-water is not necessary at this time.
  • To better assess the human health risks and inform management actions, researchers should undertake targeted, well-designed and quality-controlled investigative studies to better understand the occurrence of microplastics in the water cycle and in drinking-water throughout the water supply chain, the sources of microplastic pollution and the uptake, fate and health effects of microplastics under relevant exposure scenarios.
  • Irrespective of any human health risks posed by exposure to microplastics in drinking-water, measures should be taken by policy makers and the public to better manage plastics and reduce the use of plastics where possible, to minimize plastics released into the environment because these actions can confer other benefits to the environment and human well-being.

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