How Microplastics Become Part Of Your Drinking Water

Microplastics in bottled water shown inside a plastic water bottle with magnified plastic particles.

CLIFF NOTES Microplastics enter your drinking water in many ways, especially through bottled water. Researchers found about 240,000 plastic particles per liter on average in three brands of bottled water studied with a new detection method. About 90% of the particles found in that study were nanoplastics, which older testing methods often missed. PET used … Read more

EPA PFAS Monitoring Excludes Microplastics

EPA UCMR 6 PFAS monitoring graphic showing a gloved hand holding a water sample at a treatment facility, with key facts about 30 unregulated contaminants and microplastics.

CLIFF NOTES EPA proposed UCMR 6 on July 1, 2026. Water systems would monitor 30 unregulated contaminants from 2028 through 2030. The list includes certain PFAS and other organic compounds. EPA excluded microplastics because no validated national drinking water test method is ready. Microplastics remain on draft CCL 6 and are the subject of continued … Read more