How to Remove Lead from Water

Article Summary

Lead can be reduced with a filter or reverse osmosis system specifically designed and verified for lead reduction. Test your tap water, check the exact model’s performance claims, and replace filters on schedule. You cannot see, taste or smell dissolved lead, and boiling does not remove it.

Start with testing your water or choosing a replacement filter.

What Should You Do If You Suspect Lead in Your Water?

01 · TEST

Check Your Tap

Ask your utility about lead service lines and arrange a lead test through a certified laboratory.

02 · FILTER

Verify the Lead Claim

Use a filter certified for lead reduction, installed and maintained according to its directions.

03 · PLUMBING

Review Your Plumbing

Ask about removing lead-containing service lines or plumbing. Filtration does not replace that work.

Follow your water utility’s and health department’s advice if lead is detected or a notice has been issued. Their recommendations may include an alternative drinking-water supply while you address the problem. EPA explains practical steps to reduce exposure.

How Does Lead Get Into Drinking Water?

Lead commonly reaches the tap when lead-containing service lines, solder, faucets or fittings corrode. A service line is the pipe connecting a home to the water main. Older homes, especially those built before 1986, may have a greater plumbing risk, but a home’s age alone cannot tell you whether its water contains lead.

Water chemistry, temperature and the time water sits in pipes affect how much lead enters the water. A utility water-quality report is useful background; it is not a test of your individual kitchen faucet. See EPA’s explanation of plumbing sources.

Where Are Lead Service Lines Found?

NRDC’s map, published in 2024 using EPA survey data, shows reported lead service lines and gaps in service-line information across the United States. It provides useful context for asking your utility about the pipe that supplies your home.

National map from NRDC showing reported service-line information based on EPA survey data published in 2024 — Source: NRDC, 2024, based on EPA survey data. Open the interactive map for its layers, methodology and limitations.

This is community-level information—not a test of your home’s water. The map cannot tell you whether your own service line or tap water contains lead. Ask your utility about your service-line material and arrange testing through a certified laboratory.

Explore NRDC’s Interactive Map

How to Test for Lead in Your Water

Test the Water You Actually Use

Ask your water utility. Request service-line information, lead-testing options and any local replacement-assistance programs.
Use a certified drinking-water laboratory. Ask specifically for lead analysis and follow its sample-collection instructions exactly. Do not flush the tap before a sample unless those instructions tell you to.
Review the result and next steps. Your utility, laboratory or health department can advise on further sampling and exposure reduction. Results can vary with sampling conditions.

A TDS meter measures total dissolved solids; it does not identify lead or confirm that water is safe to drink.

Find a Certified Water-Testing Lab

You can also use EPA’s Protect Your Tap guide to investigate your service line. A visual pipe check does not replace water testing.

How to Remove Lead from Water: Compare Your Options

Choose treatment by the exact lead-reduction claim, not the technology name alone.
Option	How it helps	What to verify
Under-sink reverse osmosis	An RO system can reduce lead while treating drinking and cooking water at a dedicated faucet.	The exact complete system’s lead-reduction claim, certification, installation requirements and replacement schedule.
Lead-reduction filter media	Certain cartridges are specifically designed for lead reduction; a general chlorine or taste-and-odor filter is not enough.	Approved housing or filter head, exact cartridge, rated flow, capacity and documented lead performance.
Distillation	Collects condensed water vapor, leaving nonvolatile contaminants such as lead behind.	The unit’s documented performance, production rate and cleaning requirements. Ordinary boiling is not distillation.
Plumbing or service-line replacement	Removes a source that can continue adding lead to water.	Coordinate the work and follow-up testing or flushing with your utility and a qualified plumber.

Does Reverse Osmosis Remove Lead?

Yes—reverse osmosis can reduce lead, but performance must be checked for the specific system. Choose an under-sink unit with a documented lead-reduction claim. Do not assume every RO model has the same reduction percentage or lead certification.

For certification, look for lead reduction specifically in the model’s listing or performance data sheet. NSF/ANSI 58 is a standard for RO systems; the standard number by itself does not establish every contaminant claim. NSF explains why the individual reduction claim matters.

Considering an Under-Sink RO System?

Compare a complete system for your drinking-water faucet, including its installation space, tank or tankless design, filter changes and documented lead performance. Ask our team to confirm the exact lead claim before choosing a model.

Compare Under-Sink RO Systems

Review what to consider before buying an RO system.

Do Carbon Filters Remove Lead?

Some do; many are intended only for other purposes. A carbon filter’s chlorine claim, appearance or micron rating does not prove lead reduction. Use a cartridge designed for lead reduction in the housing or system approved for it.

For drinking-water filtration, EPA and CDC recommend independently certified lead-reduction filters. EPA’s consumer tool addresses lead reduction under NSF/ANSI 53 and Class I particulate reduction under NSF/ANSI 42. A certification for taste and odor alone is not a lead claim. Use EPA’s guide to identify the right certification.

Replacement Filters with Published Lead-Reduction Claims

These are replacement cartridges for an existing compatible filtration system. They need a suitable housing or filter head to work. Confirm the approved system configuration, rated flow and performance documentation before ordering; a cartridge listing is not proof that every housing combination is certified.

REPLACEMENT CARTRIDGE

Matrikx PB1 Carbon Block

Matrikx PB1 replacement carbon block water filter cartridge

9.75 × 2.5 inches · 0.5 micron

ESP lists lead reduction for this carbon block. Match its dimensions and treatment requirements to your existing system.

View Matrikx PB1 Details

REPLACEMENT CARTRIDGE

VIQUA C2-02PB Carbon Block

VIQUA C2-02PB replacement carbon block water filter cartridge

20 × 4.5 inches · 10 micron

ESP lists lead reduction and compatibility with select VIQUA integrated systems. Check the model list on the product page.

Check C2-02PB Compatibility

Find the Right Cartridge for Your System

Match the system brand, model and specified replacement part. Cartridge size alone does not establish the right fit or treatment performance.

Find My Replacement Filters

Need help with the model? Identify your filtration system or find its owner’s manual.

Does Boiling Water Remove Lead?

No. Boiling Is Not a Lead-Removal Method.

Boiling does not reduce the amount of lead in the water. Use an appropriate lead-reduction treatment or the alternative water supply recommended by your local authority. Do not rely on boiling, clear appearance or better taste as proof that lead has been removed. CDC’s lead-in-water guidance.

Everyday Steps to Reduce Lead Exposure

Father and daughter filling a glass at a kitchen faucet — Use appropriately treated water for drinking and food preparation.

Start with cold water for drinking, cooking and preparing formula. Heating water does not remove lead.
Follow local flushing advice after water has been sitting. The right flushing time depends on your plumbing and service line.
Clean the faucet aerator regularly; particles can collect in its screen.
Replace cartridges on time and respect rated capacity and flow. Do not run hot water through a filter unless it is specifically designed for it.

Read EPA’s exposure-reduction recommendations.

Why Is Lead in Water a Concern for Children?

Lead exposure can harm children’s developing brains and nervous systems. CDC states that no safe blood lead level has been identified for young children. Infants who consume formula prepared with lead-contaminated water can face a higher exposure risk. Lead can also affect adults and pregnancy.

If you suspect that you or your child has been exposed, contact a healthcare professional. A water test checks the water; a clinician can determine whether a blood lead test is needed. CDC explains lead exposure and testing.