Lead in Drinking Water: Health Risks, Sources, and How to Remove It
Lead is an inorganic contaminant that is regulated in public drinking water. The EPA has established a Maximum Contaminant Level (MCL) of 15 μg/L for this substance. Because of its potential health risks, monitoring and controlling lead levels is highly important.
Health Effects
Exposure to lead in drinking water is associated with several adverse health effects. Children are particularly vulnerable and may experience developmental delays. Adults may develop high blood pressure, and lead exposure can also cause kidney problems.
How Lead Gets Into Tap Water
Lead enters drinking water from both environmental and infrastructure sources. It can be introduced through industrial discharge or the corrosion of plumbing systems. Common household sources include lead pipes and fixtures that leach the metal into the water supply.
How to Remove Lead From Your Water
Reducing lead in drinking water involves a combination of structural updates and filtration. Effective treatment methods include system-wide corrosion control and the physical replacement of lead pipes. Additionally, home filtration systems can be used to filter lead out of tap water.
Should You Test Your Water?
To ensure your water is safe, check your local Consumer Confidence Report or search your provider on WaterQ. If you suspect your home has older plumbing or lead pipes, testing your tap water is recommended. You can also look up your local water system on WaterQ or check the Lead data page for reported levels in your area.
Frequently Asked Questions
Is Lead dangerous in drinking water?
Yes, lead poses significant health risks when present in drinking water. It can cause developmental delays in children, kidney problems, and high blood pressure in adults. Because of these serious effects, it is closely regulated as an inorganic contaminant.
How does Lead get into tap water?
Lead typically enters tap water through the corrosion of lead pipes, plumbing, and household fixtures. It can also get into water sources through industrial discharge.
How can I remove Lead from my water?
Lead can be removed or managed through water filtration, corrosion control, and lead pipe replacement.
Source: EPA National Primary Drinking Water Regulations and WaterQ National Database. For more contaminants, visit our contaminant library.
What actually removes lead
Lead almost never comes from the treatment plant — it dissolves out of your own service line, solder or fixtures on the way to the tap. That means a point-of-use filter at the kitchen sink solves it, and a whole-house filter installed where water enters the building does not. The filter must carry an NSF/ANSI 53 lead claim specifically; an NSF 42 "taste and odor" pitcher is not a lead filter.
Works
- Carbon certified for lead (NSF 53)The cheapest thing that genuinely removes lead, cysts and many VOCs.
- Reverse osmosis (NSF 58)The broadest removal available at home: arsenic, nitrate, fluoride, PFAS, TDS.
Will not fix this
- Basic activated carbon (NSF 42)
- Ion-exchange water softener
- UV disinfection (NSF 55)
- Boiling Makes it worse — evaporation concentrates what's left behind.
Test before you buy.Lead can't be seen, tasted or smelled, and the right hardware depends on the concentration you actually have. A certified lab test costs a fraction of the wrong filtration system. Start with your local water quality report, and get a mail-in lab test if you're on a private well.
Options that carry the right certification
Ordered cheapest-adequate first. Prices are indicative bands and move often.
| Product | Certification | Upfront | Per year | |
|---|---|---|---|---|
| Brita Elite Pitcher FilterPitcher | NSF/ANSI 42 and 53 certified, including a lead reduction claim.Catch:No fluoride, nitrate or arsenic reduction. Not PFAS-rated. | $25–40 | $50–70 | Check price |
| PUR PLUS Faucet MountFaucet mount | NSF/ANSI 42, 53 and 401 certified, including lead.Catch:Slows flow noticeably and will not fit every faucet. No fluoride or nitrate claim. | $25–45 | $60–90 | Check price |
| Aquasana AQ-5200 Under-SinkUnder-sink | NSF/ANSI 42, 53, 401 and P473 certified.Catch:Carbon, not RO — no meaningful fluoride, nitrate or arsenic reduction. | $110–160 | $80–120 | Check price |
| APEC ROES-50 EssenceUnder-sink | Built with WQA-certified components to NSF/ANSI 58.Catch:Needs an under-sink drain connection and a spare hole for the dedicated faucet. Strips minerals — some people dislike the flat taste. | $180–240 | $50–80 | Check price |
Certification listings change. Before buying, confirm the current listing for the exact model in the NSF certified products database — a manufacturer's marketing page is not a certification. WaterQ earns a commission on purchases made through these links at no extra cost to you; see our affiliate disclosure. This is general information, not medical or engineering advice.
For a full breakdown of certifications, running costs and the models worth considering, see our buying guide for lead.