EPA UCMR 6 Proposed Rule 2026: 30 Contaminants, PFAS Monitoring & Microplastics Exclusion Explained - crowell.com
EPA's proposed UCMR 6 rule would require monitoring for 30 contaminants, including PFAS, in public water systems, with microplastics excluded.
Aforeworn detected this change in the Environmental & Emissions Compliance (EPA) space on August 8, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated Medium urgency. Public water systems, including those serving manufacturers, power generators, and chemical processors, as well as EHS consultants. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Not specified in the excerpt; check the Federal Register for the comment deadline.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Environmental & Emissions Compliance (EPA) continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
Proposed new monitoring requirements for 30 contaminants, including PFAS, under the Unregulated Contaminant Monitoring Rule (UCMR 6).
Who it affects
Public water systems, including those serving manufacturers, power generators, and chemical processors, as well as EHS consultants.
What you must do
Review the proposed rule and prepare for potential monitoring obligations; submit comments during the public comment period.
Deadline
Not specified in the excerpt; check the Federal Register for the comment deadline.
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