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Some drinking water laboratories might have questions about how to implement the new MDL procedure. EPA has provided some excellent guidance. It's important to remember that the laboratory's approach must conform to both the federal regulations and the 2016 TNI Standard. If there is ever a conflict, implement the most rigorous requirement.
EPA MDL Guidance for Drinking Water Laboratories
Oregon Administrative Rules require ORELAP accredited drinking water testing laboratories to report results above the maximum contaminant level (MCL) within a required timeframe. Review the letter below for more information.
Drinking Water Reporting Requirements
Laboratories listed below can test public drinking water samples. This includes well water and tap water samples.
Accredited Drinking Water Laboratories in Oregon
Accredited Drinking Water Laboratories in Other States
Visit the Oregon Drinking Water Program website.
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