The permissible limit for lead in drinking water is set at what level?

The permissible limit for lead in drinking water is set at 15 parts per billion (ppb). This standard is established to protect public health, particularly the health of vulnerable populations such as children and pregnant women, who are more susceptible to the harmful effects of lead exposure. The limit is part of the regulations under the Safe Drinking Water Act, which aims to minimize lead contamination in drinking water. Setting the permissible limit at 15 ppb is a proactive measure to reduce the risk of lead poisoning and its associated health issues, including developmental delays and cognitive impairments in children.