The EPA has set its health-based goal for lead in tap water at zero, because no level of lead is considered safe. Lead is a toxic metal that builds up in the body over time, and even small amounts can harm health. Unborn babies, infants and young children face the greatest risk, since their bodies absorb lead more readily than adults' bodies do. In children, lead can damage the brain and nervous system and may lead to:
- Problems with learning and behavior
- Slower growth
- Hearing and speech difficulties
- Reduced IQ
- Hyperactivity
- Anemia
In adults, lead exposure may cause:
- Reduced kidney function
- Problems with reproduction
- Higher blood pressure
Drinking water is only one source of lead. People can also be exposed through paint, dust, soil, air and food, and lead or lead compounds have been found in toys, furniture, cosmetics and containers for food and drinks. Young children are especially at risk because they tend to put fingers, toys and other things into their mouths.
Learn steps you can take to reduce lead in drinking water.
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