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