What is the action level for lead in drinking water?

The action level for lead in drinking water is set at 0.015 mg/l (15 parts per billion). This means that if lead concentrations in public water systems exceed this level, the system must take necessary actions to reduce the lead content. This standard is established to protect public health, particularly targeting vulnerable populations like children and pregnant women, who are more susceptible to the harmful effects of lead exposure.

Monitoring and regulation of lead levels in drinking water is essential because lead can cause serious health issues, including developmental impairment in children and various cardiovascular problems in adults. The action level not only prompts remediation efforts but also encourages public notification and education about potential lead sources in drinking water, such as lead pipes and plumbing fixtures. Thus, understanding the action level is crucial for ensuring safe drinking water and effective public health responses.