Lead PPM Safety Checker
Estimate lead concentration in drinking water and compare with guideline limits.
Enter water volume & lead mass
Formula: PPM = mg Pb ÷ L water
Result
Enter values and click "Check Lead Safety".
Safe Drinking Water Limits
- Safe Limit: 0 – 0.01 ppm (10 ppb)
- Warning: 0.01 – 0.02 ppm
- Danger: > 0.02 ppm
Lead PPM Safety Checker – Protect Your Drinking Water
This Lead PPM Safety Checker helps you determine if lead contamination in water exceeds recommended drinking safety standards. Even trace amounts of lead can be harmful — especially for children and pregnant women.
Why lead in water is dangerous
- Causes developmental issues in children
- Damages nervous system, kidneys, heart
- Has no safe exposure level for infants
Lead safety guidelines (general reference)
- Safe: ≤ 10 ppb (0.01 ppm)
- Unacceptable: > 15 ppb (0.015 ppm) in US municipal testing trigger level
- Immediate action: > 20 ppb (0.02 ppm)
Use this tool to evaluate risk and understand when filtration, pipe replacement, or bottled drinking water may be needed.