Taos Tap: Altitude Lies Hiding Lead Harm?

By Franklin Everett Shaw

December 25, 2025

Imagine turning on your tap in Taos, New Mexico, and wondering if what’s coming out is safe. It’s a valid concern, especially given the town’s aging water infrastructure and its location nestled high in the mountains. Lead contamination, even in small amounts, can be a serious health risk, particularly for children and pregnant women. This isn’t about scare tactics; it’s about empowering you with the knowledge and tools to protect yourself and your family.

The problem in Taos, like many older communities across the U.S., stems from lead pipes and lead solder used in plumbing systems before they were banned. As these materials age, they can corrode, releasing lead into the water supply. Taos’s high altitude can exacerbate this issue.

Higher altitudes mean lower atmospheric pressure, which can affect the water’s pH and increase its corrosivity. This means the water is more likely to leach lead from pipes.

So, what can you do? Let’s break it down into actionable steps.

Step 1: Test Your Water

Don’t rely on assumptions. The only way to know for sure if your water contains lead is to test it.

Contact the Town of Taos Water Department: They may offer free or subsidized testing programs. Call them directly and inquire about availability and procedures. Don’t just check their website; talk to a person.
Purchase a Lead Testing Kit: Home testing kits are readily available at hardware stores like Lowe’s in nearby Santa Fe or online retailers. Look for kits certified by the EPA. These kits typically involve collecting a water sample and sending it to a certified laboratory for analysis.
First Draw Sample: This is critical. Collect the sample first thing in the morning, after the water has been sitting in the pipes overnight (at least 6 hours). This will give you the most accurate indication of lead levels.
Follow Instructions Precisely: The accuracy of the test depends on following the instructions meticulously. Don’t skip steps or make assumptions.

Step 2: Understand the Results

The EPA’s action level for lead in drinking water is 15 parts per billion (ppb). If your test results exceed this level, it’s time to take action. Even levels below 15 ppb should be a cause for concern, especially for vulnerable populations.

Know the Units: Make sure you understand the units used in the test results (ppb or ppm). Parts per million (ppm) is a larger unit; 1 ppm = 1000 ppb.
Consider Altitude: Remember that Taos’s altitude might mean that even slightly elevated lead levels could be more impactful due to increased water corrosivity.
Don’t Panic, But Don’t Delay: Elevated lead levels require immediate attention, but don’t make rash decisions. Research your options and consult with experts.

Step 3: Implement Filtration Solutions

If your water tests positive for lead, filtration is your best defense. However, not all filters are created equal.

NSF/ANSI Standard 53 Certification: This is the gold standard. Look for filters certified to NSF/ANSI Standard 53 for lead reduction. This certification ensures that the filter has been independently tested and proven to remove lead effectively.
Filter Types:
- Pitcher Filters: A convenient and affordable option for smaller households. Ensure the pitcher filter is certified to NSF/ANSI Standard 53. Brita and PUR are common brands, but always check the certification.
- Faucet Filters: Attach directly to your faucet and provide filtered water on demand. Again, NSF/ANSI Standard 53 certification is crucial.
- Under-Sink Filters: Offer a higher flow rate and longer filter life than pitcher or faucet filters. These are a good option for households with higher water consumption. Make sure they are NSF/ANSI Standard 53 certified.
- Whole-House Filters: These filter all the water entering your home. While effective, they are more expensive and require professional installation. Consider this option if you have widespread lead contamination in your plumbing system.
Filter Maintenance: Replace filters regularly according to the manufacturer’s instructions. A filter that’s past its expiration date may not effectively remove lead. Keep a log of when you replace your filters.
Flush Your Faucet: Before using filtered water for drinking or cooking, flush your faucet for 30 seconds to clear any water that may have been sitting in the pipes.

Step 4: Understand New Mexico Regulations and Resources

New Mexico has regulations in place to protect drinking water quality. Familiarize yourself with these regulations and know where to turn for help.

New Mexico Environment Department (NMED): The NMED is responsible for overseeing drinking water quality in the state. Visit their website to learn about water quality standards and regulations.
Taos County Health Council: This local organization can provide information and resources related to water quality and public health in Taos County.
Reporting Concerns: If you suspect a widespread lead contamination problem in your neighborhood, report it to the Town of Taos Water Department and the NMED.
Assistance Programs: Check with the Town of Taos and Taos County for potential assistance programs that may help residents with the cost of water testing or filtration systems. Low-income families may qualify for assistance.

Common Mistakes and Pitfalls

Assuming New Pipes Mean No Lead: Even if your home has newer pipes, lead solder may have been used in the past. Testing is always recommended.
Using Hot Water for Drinking or Cooking: Hot water is more likely to leach lead from pipes. Always use cold water for drinking and cooking.
Neglecting Filter Maintenance: Failing to replace filters regularly can render them ineffective. Set reminders to replace your filters on time.
Ignoring the Problem: Lead contamination is a serious issue that requires immediate attention. Don’t delay testing and implementing solutions.
Relying on Boiling Water: Boiling water does not remove lead. It only kills bacteria.

Real-World Scenario: The Martinez Family in Taos

The Martinez family, living in an older home near the Taos Plaza, noticed a metallic taste in their water. Concerned, they contacted the Town of Taos Water Department, who directed them to purchase a home lead testing kit. The results came back showing lead levels slightly above the EPA action level.

Following the steps outlined above, the Martinez family installed an under-sink filter certified to NSF/ANSI Standard 53. They also made a habit of flushing their faucet before using water for drinking or cooking. They retested their water after installing the filter and confirmed that the lead levels were now within acceptable limits.

The Altitude Factor: A Deeper Dive

Taos’s elevation (nearly 7,000 feet) isn’t just a scenic detail; it’s a factor that can influence water quality. The lower atmospheric pressure at higher altitudes can affect the solubility of minerals in water, potentially increasing its corrosivity. This means that even if your lead levels are slightly below the EPA action level, the water’s corrosive properties could still pose a risk.

Consider this: water that is slightly acidic (low pH) is more likely to leach lead from pipes. At higher altitudes, the water’s pH can be more susceptible to fluctuations, making it more difficult to maintain a stable, non-corrosive water supply.

Beyond the Tap: Other Potential Sources of Lead

While drinking water is a common source of lead exposure, it’s important to be aware of other potential sources:

Lead-Based Paint: If your home was built before 1978, it may contain lead-based paint. Chipping or peeling paint can release lead dust into the air.
Soil: Soil near older homes or industrial sites may be contaminated with lead.
Imported Products: Some imported toys, ceramics, and candies may contain lead.

Conclusion

Protecting your family from lead contamination in Taos requires vigilance, knowledge, and proactive measures. By testing your water, understanding the results, implementing effective filtration solutions, and staying informed about New Mexico regulations, you can ensure that your tap water is safe to drink. Don’t underestimate the impact of altitude on water quality, and be aware of other potential sources of lead exposure. Take control of your water quality and safeguard your health.