Lead in Tap Water — What It Is, How It Gets In, and What Actually Removes It
Lead is invisible, tasteless, and odorless. It usually does not come from the river or reservoir — it leaches from lead service lines, older building plumbing, and fixtures on the way to your tap. The EPA's health goal for lead in drinking water is zero.
Lead tap sampling & your utility
For public water systems, we pull Lead and Copper Rule (LCR) sample results from EPA Envirofacts when available — so you can see recent system-level tap sampling tied to your ZIP's water system (not a lab test of your kitchen tap).
Utilities also maintain service line inventories (lead, non-lead, or unknown) under federal rules. Check your utility's public map or consumer confidence report (CCR) for whether your line is lead — that's separate from our EPA sample pull but essential context.
Pathways from the street to your glass
Why there is no “safe” lead level
Health agencies treat lead as a cumulative hazard — small exposures add up over time. The priority populations are children and pregnant people.
Action level vs. the health goal
The 15 µg/L (ppb) “action level” applies to a statistical measure of utility tap samples (the 90th percentile), not to every individual tap every day. If a system exceeds it, corrosion control and other responses are triggered — but your tap can still have lead if you have a lead service line or lead-bearing plumbing, even when the system is “in compliance.”
EPA has proposed strengthening the Lead and Copper Rule over time (sampling, line replacement timelines, and communication). Always read your utility's latest CCR for local status.
Where lead service lines are a known national issue
Many systems still have large inventories of lead or unknown service lines. Replacement programs are underway nationwide, but progress varies by city. This is not an exhaustive list — your utility inventory is the source of truth.
Certified filters — not guesswork
Boiling does not remove lead. Look for NSF/ANSI 53 (certified lead reduction) for carbon systems, or NSF/ANSI 58 for reverse osmosis. Replace cartridges on schedule — expired filters lose performance.
Reverse osmosis is the most reliable residential technology for lead — membranes block dissolved lead along with many other metals. NSF/ANSI 58 certified systems are the standard to look for.
Independently certified for lead reduction well beyond basic carbon pitchers — a practical option if you cannot install under-sink RO.
WQA Gold Seal plus multiple NSF standards — strong choice if you want maximum documented contaminant coverage including lead.
See lead-related data for your water system
Enter your ZIP for a full report — including Lead and Copper Rule sample results when published for your system, open violations, and filter picks matched to your water.
Check My Water Free →No. Boiling does not remove lead and can concentrate contaminants if water evaporates. Use a certified filter or bottled water from a trusted source, or fix the lead source (line replacement).
Some Brita filters are certified for lead reduction for specific standards — check the exact model and its NSF certification listing. Many basic pitchers are not sufficient for high lead risk. NSF/ANSI 53 (lead) or NSF/ANSI 58 (RO) are the certifications to verify.
Yes. Compliance is based on system-wide sampling protocols. Lead is highly localized to plumbing and service lines. A lead gooseneck or lead service line at your property can cause exposure even when the system passes LCR sampling.
Check your utility’s public service line inventory or map, or inspection guidance they publish. Many utilities offer verification or replacement programs. Your WaterCheckup ZIP report summarizes EPA data for your system but cannot see your private plumbing.
If you are pregnant, have young children, or suspect a lead line, a certified lab test of your tap is the most direct answer for your home. Public data is a strong starting point but is not a substitute for sampling your own tap in high-risk situations.