Long-term study finds widespread lithium in drinking water across communities in the western U.S.

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A study by Columbia University documents widespread lithium exposure in drinking water across Tribal communities in the western United States. The findings reveal significant regional variation and establish drinking water as a primary contributor to lithium levels in humans.

Lithium in drinking water is a widespread and persistent source of human exposure across Tribal communities in the Western United States, according to a new study from Columbia University Mailman School of Public Health. The findings document substantial regional variation in exposure and provide some of the strongest evidence to date that household drinking water is a major contributor to lithium levels measured in the body.