Government instigates nationwide survey on PFAS in Japan's tap water

The Japan Times | July 1, 2024

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"The government has asked water providers across the country to check for PFAS, people familiar with the matter said Monday.

Some 12,000 water providers have been given until the end of September to report on potential water contamination with PFAS, or perfluoroalkyl and polyfluoroalkyl substances — chemical compounds suspected to be carcinogenic. The request was made by the environment and infrastructure ministries on May 29.

The government has a provisional target of keeping PFAS levels in tap water at 50 nanograms or lower per liter. Tests for PFAS are conducted by water providers on a voluntary basis under the water supply law."