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If You Think Radon Levels in Your Water Fluctate Often, Understand the Sampling Timeline

Radon concentration in groundwater can vary with seasons and over multiple years. The U.S. Geological Survey collected six radon-222 measurements from separate wells in Bernalillo County’s aquifer 112SNTF between July 2014 and June 2015. These samples ranged from 290.0 to 1010.0 picocuries per liter (pCi/L), with a median of 320.0 pCi/L. This range shows variability captured within about a one-year period. While it indicates radon presence at different levels in the area, it does not detail long-term trends beyond that timeframe.

If You Rely on Public System Records, Know What They Reflect Compared to Private Well Testing

The government’s radon data for Bernalillo County comes from deep wells (502 to 1723 feet) sampled across the aquifer. These provide a general view of radon conditions in the regional groundwater. However, these area-wide results cannot substitute for testing your specific household water source. Since radon can vary substantially from well to well, only a private laboratory test of your own water sample can confirm your home's actual radon level.

If You Ignore Radon in Your Water Long Term, Understand the Potential Exposure Pathway

Radon in water primarily becomes a concern through inhalation of radon gas released into the air during household activities like showering or cooking. Over years without intervention, this ongoing exposure can contribute to indoor air radon levels. While the sampled radon levels in Bernalillo County wells remain below federal thresholds, the cumulative effect in unmitigated homes depends on the actual radon concentration and household water use patterns.

If You Plan to Seek Treatment Advice, Prepare These Details First

Before considering radon water treatment options, write down the results of your certified radon water test, including units and sampling date. Document your water source type (private well or municipal), depth of your well if applicable, and any radon air test results inside your home. This information will help evaluate the appropriate technical approach for your household.

If Your Plumbing System Is Older or Uses Specific Materials, Account for Their Influence

Although radon originates in the water source, plumbing materials and the age of your home’s system may influence radon gas escape and its indoor concentration. For example, certain pipe materials could allow more radon gas to transfer into indoor air. Plumbing condition might also affect water flow and aeration, impacting radon release. These factors are separate from raw water radon levels but important in assessing overall exposure.

If You Want to Understand This Sampling Record’s Language, Here Is What It Means

• Detected: Radon was measured at all sampled wells, indicating presence but not a violation or a safety conclusion.
• Median: The middle value of radon concentrations, 320.0 pCi/L, representing a typical level among sampled wells.
• Range: The spread of results from 290.0 up to 1010.0 pCi/L shows variability but not exceedance of federal health-based thresholds.

These terms describe the sampling findings but do not reflect the exact radon content of any individual well or household water supply.

To resolve your radon question conclusively, the single test you should order is a certified radon measurement directly from your household water. A test result well below federal health-based guidance would clearly limit concern. If above typical levels, the Fleck Radon in Water Filter system ships ready to configure and is designed to reduce radon in residential water effectively.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2015-06-02. These figures describe groundwater sampled in this area. They are not a test of any individual private well - only a test of that well can establish its own water.

On record: U.S. Geological Survey sampling of Radon-222 in the 112SNTF aquifer (Bernalillo County): 6 results from 6 wells, median 320.0 pCi/L, range 290.0-1010.0 pCi/L; none above any federal threshold