What is the recommended remedy for lead in drinking water?

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Lead in drinking water mainly comes from lead-containing plumbing and fixtures. The best approach is to address the source and use measures that actually reduce exposure. Have a plumber inspect and repair or replace lead-containing pipes, solder, or fixtures. Use cold water for drinking and cooking, since hot water dissolves lead more readily and increases its concentration. Flush taps for several minutes before using water for drinking or cooking to bring in fresh water from the main and reduce the buildup of lead in the stagnant water. Pair this with a certified filtration device (NSF-certified) capable of reducing lead, and replace the filter according to the manufacturer’s instructions. Boiling water does not remove lead and can concentrate it; a water softener alone does not reliably remove lead.