If You Have a Certified Radon Test Result from Your Household Water
A certified laboratory test for radon-222 in water reports the concentration in picocuries per liter (pCi/L). This numeric result indicates how much radon was measured specifically in your well or tap water sample. The test uses sensitive instruments and follows EPA or state standards to ensure accuracy. A solitary measurement stands on its own and must not be confused with radon levels detected in the general aquifer area of Kanawha County.
Understanding your test’s number enables you to decide what to do next. Only a test of your own water can reveal your household’s unique radon exposure from water.
If You Leave Radon in Water Untreated for Years
Radon is a naturally occurring radioactive gas that can dissolve into groundwater. When water containing radon is used in the home, it can release radon gas into the indoor air, contributing to the overall radon level in your living space. Long-term exposure to increased indoor radon from any source, including water, may pose health concerns according to health authorities. However, the degree of such risk depends on the radon concentration in your household water and indoor air, which varies widely.
If You Wonder Whether Your Plumbing Influences Radon Levels
The presence and concentration of radon in household water primarily come from the groundwater source rather than plumbing materials or the age of pipes. Plumbing components do not generate radon nor increase its concentration. However, the way water is used—such as showers, faucets, or humidifiers—can affect the release of radon gas from water into your home's air. Older plumbing or pipe materials do not alter the amount of radon dissolved in water but can influence how radon moves from water to indoor air.
If You Consider What the Radon Measurements from Kanawha County Mean
The U.S. Geological Survey reported radon-222 detections in six wells from aquifer 327KNWH, sampled between 2010 and 2017. The median level across these wells was 42.5 pCi/L with a range from 8.0 to 320.0 pCi/L. No measurement exceeded federal thresholds for radon in water. This data reflects conditions over multiple wells and years, not your specific water supply. Detected does not mean unsafe; it means instruments measured radon at those levels in the sampled area.
If You Want to Know How to Read This Range as a Homeowner
Consider the median value of 42.5 pCi/L as a midpoint estimate for area groundwater, with some wells showing lower and others higher values up to 320.0 pCi/L. Because radon concentrations vary by well depth and location, your water could differ. The federal threshold for radon in water is set to guide decisions but does not imply all water below that level is problem-free nor all above it is unsafe. This area's data guides awareness but does not substitute for your well's actual test.
If You Are Exploring Treatment Options for Radon in Household Water
The Fleck Radon in Water Filter is a documented system designed to reduce radon levels in residential water supplies. It works by removing or neutralizing radon before water reaches your taps, thus limiting the amount of radon gas that escapes into indoor air. This system ships ready to configure with your existing setup, allowing direct purchase without requiring professional fitting. Using such a system is a step to controlling radon exposure from water if your household testing identifies elevated levels.
The next step: Order a certified laboratory test specifically for radon-222 in your household water supply. This test is the single measure that will determine your need for treatment. If your test results fall well below federal guidelines, you can consider radon levels in water to be consistent with area findings and may not require intervention. If results are higher, then considering a Fleck Radon in Water Filter becomes a practical response.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2017-07-18. 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 327KNWH aquifer (Kanawha County): 6 results from 6 wells, median 42.5 pCi/L, range 8.0-320.0 pCi/L; none above any federal threshold
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