What is the maximum contaminant level for lead in drinking water?

The maximum contaminant level (MCL) for lead in drinking water is set at 0.015 mg/L. This standard is established to protect public health, particularly considering that lead is a toxic metal that can cause a variety of health issues, especially in young children and pregnant women. The regulation is part of the efforts to reduce lead exposure from drinking water sources, often resulting from plumbing systems that contain lead materials.

Understanding this MCL is essential for water operators because exceeding this limit can lead to significant health risks for consumers and can also trigger additional monitoring and treatment obligations under the Safe Drinking Water Act. It emphasizes the importance of regular water quality testing and proper treatment methods to ensure water safety and compliance with health standards.