July 2026

On July 1, 2026, the EPA issued its long-awaited proposed Sixth Unregulated Contaminant Monitoring Rule (“UCMR 6”). Despite two petitions urging their inclusion, the agency decided not to add microplastics to the list of contaminants that public water systems will be required to monitor during the 2028–2030 sample collection period. The Petitions The EPA’s proposal… Continue reading