Salem, Oregon
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Unregulated Contaminant Monitoring Rule – Round 5 (UCMR5) Results
The Unregulated Contaminant Monitoring Rule (UMCR) requires water providers nationwide to sample for unregulated contaminants once every five years. The EPA uses these sampling efforts to collect information about contaminants suspected to be present in drinking water but which are currently not regulated by health based limits under the Federal Safe Drinking Water Act. The UCMR5 – fifth round of UMCR, will provide new data that is critically needed to improve EPA’s understanding of the frequency that 29 PFAS (and lithium) are found in the nation’s drinking water systems and at what levels. This data will ensure science-based decision-making and help prioritize protection of disadvantaged communities. More information about the UMCR is available from the Safe Drinking Water Hotline at 1-800-426-4791.
The City of Salem began Unregulated Contaminant Monitoring Rule – Round 5 (UCMR5) sampling in February 2023.