The Short Answer
The answer depends on your home's plumbing, not just your city's water report. While municipal water is typically lead-free when it leaves the treatment plant, lead enters drinking water as it travels through corroded service lines and household fixtures.
If your home was built before 1986, you are at high risk. There is no safe level of lead exposure, yet the EPA's "action level" allows up to 15 parts per billion (ppb) before utilities are legally required to fix it. To protect your family, you must test your water at the tap—city-wide reports average out the data and hide individual hotspots.
Why This Matters
Lead is a potent neurotoxin that accumulates in the body over time. Unlike many contaminants that cause issues only after decades of exposure, lead can do immediate, irreversible damage.
The EPA's Maximum Contaminant Level Goal (MCLG) for lead is zero. There is no "safe" amount.
- For Children: Even low levels of exposure are linked to lowered IQ, learning disabilities, and behavioral problems. Their growing bodies absorb lead more readily than adults.
- For Adults: Long-term exposure increases the risk of high blood pressure, heart disease, and kidney dysfunction.
- The Invisible Threat: You cannot see, taste, or smell lead. Your water can look crystal clear and taste perfect while containing toxic levels.
Where the Lead Comes From
Most people assume lead contamination means the city water supply is "dirty." In reality, the water usually leaves the plant clean. The contamination happens in the "last mile"—the pipes connecting the main to your house, or the pipes inside your walls.
1. Lead Service Lines (LSLs)
The pipe connecting your home to the water main is the biggest culprit. An estimated 9.2 million US homes still have lead service lines. If you have an LSL, physical disturbance (like street construction) can shake loose lead particles, causing massive spikes in your water.
2. Lead Solder
Before 1986, copper pipes were joined using solder that contained high levels of lead. If your water is corrosive (acidic), it dissolves this solder, leaching lead directly into the water sitting in your pipes overnight.
3. "Lead-Free" Fixtures
Until 2014, federal law allowed plumbing fixtures sold as "lead-free" to contain up to 8% lead by weight. As these brass faucets corrode, they release lead. Newer fixtures (post-2014) must have less than 0.25% lead.
What to Look For
Green Flags:
- Built after 2014: Your home likely uses modern "lead-free" (0.25%) plumbing materials.
- PVC or PEX piping: Plastic pipes do not contain lead, though the fixtures attached to them might.
- Non-corrosive water: If your water utility adds orthophosphates (a corrosion inhibitor), it coats the pipes and prevents lead leaching.
Red Flags:
- Built before 1986: High probability of lead solder or lead service lines.
- Frequent street construction: Vibration from road work can knock lead scale loose from old pipes.
- Stagnant water: Water that sits in pipes for 6+ hours (like overnight) accumulates the most lead.
How to Test Your Water
Do not rely on a "yes/no" strip from the hardware store. Lead requires precision because the difference between "safe" and "toxic" is measured in parts per billion.
1. The Lab Test (Recommended)
This is the Gold Standard. You fill a vial and mail it to a certified laboratory. They use mass spectrometry to give you an exact number (e.g., "3.2 ppb").
- Look for: Tests from Tap Score or SimpleLab.
- Cost: $30–$60.
- Why: It detects both dissolved lead and particulate lead (tiny chips of metal), which strips often miss. What Is The Best Home Water Test Kit
2. The DIY Strip (Caution)
Store-bought strips are often inaccurate at low levels. Many have a detection limit of 15 ppb or higher, meaning you could have 14 ppb (unsafe for a baby) and get a "negative" result. Use these only for a rough screening, never for a final safety check.
The Best Options for Removal
If you have lead, you must filter it. Boiling water does NOT remove lead—it actually concentrates it as water evaporates.
| Brand | Product | Verdict | Why |
|---|---|---|---|
| ZeroWater | 5-Stage Filter | ✅ | NSF 53 certified for lead; removes virtually all dissolved solids. |
| Brita | Elite / Longlast | ✅ | NSF 53 certified for lead (Blue filter). Note: The standard White filter does NOT remove lead. |
| Pur | Plus Pitcher | ✅ | NSF 53 certified for lead reduction. |
| Reverse Osmosis | Various | ✅ | NSF 58 certified systems are highly effective at removing lead. |
| Standard Brita | White Filter | 🚫 | NSF 42 only (taste/odor). Does not remove lead. |
The Bottom Line
1. Flush your taps. If the water hasn't been used for 6 hours, run the cold tap for 3 to 5 minutes before drinking. This flushes out the water that has been sitting in contact with lead pipes.
2. Filter specifically for lead. Buy a filter with NSF 53 certification. Do not assume "water filter" means "lead filter."
3. Test, don't guess. Spend the $50 on a mail-in lab test. It's the only way to know if your specific home plumbing is leaching toxins.
FAQ
Does boiling water remove lead?
No. Boiling water evaporates the liquid but leaves the heavy metals behind, effectively concentrating the lead. Never boil water to try to make it safe from lead.
Can I absorb lead through my skin in the shower?
Generally, no. Lead is not easily absorbed through the skin. It is safe to bathe and shower in water with elevated lead levels, provided you do not swallow the water. Parents should monitor young children to ensure they don't drink bathwater.
How do I know if I have a lead service line?
You can perform a scratch test on the pipe entering your home (usually in the basement). Find where the pipe comes through the wall. Carefully scratch it with a coin. If the scraped area is shiny and silver (like a new nickel) and the metal is soft, it is likely lead. If it is the color of a penny, it is copper. How Do You Test Well Water At Home