Government sampling in Fort Bend County's aquifer 112CHCT shows radon-222 was detected in all sampled wells, with a median of 1450 picocuries per liter (pCi/L) and a range from 109 to 1700 pCi/L. These results come from seven samples taken from six separate wells between 2010 and 2015, at depths from 336 to 1220 feet. None of the results exceeded any federal standard for radon in drinking water.
If You Have a Large Household, Second Home, or Seasonal Property
Larger homes or those with multiple water-using points may experience different demands that influence radon accumulation and exposure risk over time. Seasonal properties can also see fluctuating radon levels, as water usage and groundwater flow vary with occupancy. These factors can affect the type and size of treatment technology required to manage radon effectively and consistently.
If You Confuse Radon with Other Water Issues Like Iron or Sulfur
Radon is a radioactive gas that dissolves in groundwater naturally. Unlike minerals such as iron or sulfur, radon does not cause taste or odor issues. Its concern is primarily radiological, so solutions focus on reducing radon gas in the water rather than addressing mineral taste, staining, or odors. Understanding this distinction is key to selecting the appropriate treatment approach rather than using a system designed for common mineral concerns.
If You Wonder How Radon Enters the Groundwater in Fort Bend County
Radon-222 originates from the decay of uranium found naturally in certain rock formations underground. In Fort Bend County, the aquifer 112CHCT interacts with such uranium-bearing materials, allowing radon gas to dissolve into the groundwater that supplies your well. This process depends on geological conditions and depth, explaining the range of concentrations found in sampled wells.
If You Are Comparing Measured Radon Ranges to Federal Standards
The federal standards for radon in drinking water provide a benchmark for safety. The samples from Fort Bend County wells do not show any exceedances of these limits. However, detection of radon at any concentration means it is present and measurable. Evaluating your own water requires a certified laboratory test tailored to your well or supply, as local area statistics cannot specify your water’s exact radon levels.
If You Are Considering the Number of Samples and Wells Behind These Data
The data reflect seven samples from six wells collected over nearly five years. While this offers a snapshot of radon presence in the aquifer, it does not capture all possible variation in the area nor your individual well. A small dataset limits the precision of predicting radon levels at any single point but confirms that radon occurs in the regional groundwater.
If You Want to Rule Out Other Causes Before Testing for Radon
- Begin by checking for any recent changes in water taste or smell that might suggest other contaminants.
- Consider household water use patterns that could influence radon exposure.
- Proceed with a certified laboratory radon test of your water to establish your home’s radon concentration directly.
When radon is confirmed by testing at levels warranting treatment, the Autotrol Radon in Water Filter ships ready to configure for residential use. This technology addresses radon reduction aligned with the measurement you obtain, tailored for the unique demands of your household water supply.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2015-07-07. 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 112CHCT aquifer (Fort Bend County): 7 results from 6 wells, median 1450.0 pCi/L, range 109.0-1700.0 pCi/L; none above any federal threshold
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