Government groundwater sampling by the U.S. Geological Survey across Wayne County, Pennsylvania, focusing on aquifer 341CSKL, found radon-222 present in all 194 samples tested from 103 separate wells between 2011 and 2014. The median radon level measured was 2135.0 picocuries per liter (pCi/L), with a range from 67.0 to 7400.0 pCi/L. None of these results exceeded federal limits established for radon in water sources. These figures represent general area conditions and do not specify radon concentrations in any individual household well or water supply.
How Radon Treatment Changes Water at the Tap
When water passes through the documented C-Series Radon in Water Filter system, radon concentrations are significantly reduced before reaching the tap. This filtration technology is designed to lower radon to levels below typical detection thresholds, altering the water's radioactive gas content without affecting other mineral components or altering water taste and appearance. The technology ships ready to configure for household use and addresses radon specifically, helping households in Wayne County manage radon presence in their water supply.
Potential Consequences of Leaving Radon Untreated Over Time
If radon in water remains untreated, the gas can escape into household air during everyday water use activities such as showering, cooking, and washing. Radon is a radioactive gas known primarily for posing an inhalation risk rather than a direct effect through ingestion of water. Over many years, accumulation of radon gas indoors can increase cumulative exposure. While the government sampling shows area radon levels within regulated limits, individual household levels can only be determined by testing the specific water source. Understanding this is important for long-term household safety planning.
Distinguishing Between Aesthetic Secondary Standards and Health-Based Limits for Radon
Aesthetic secondary standards address qualities of water such as taste, odor, and staining and do not apply to radon. Radon is regulated based on health risk thresholds set by federal guidelines, which specifically limit the acceptable radioactivity levels in water sources. The government sampling results for Wayne County's aquifer 341CSKL found no federal threshold exceedances. Radon is colorless and odorless, so it does not affect water aesthetics but presents a different category of concern due to its radioactive nature.
Understanding Certified Laboratory Test Reports for Radon in Water
A certified laboratory test for radon in water reports the concentration of radon-222 in picocuries per liter. Test results specify the exact level found at the tested source, which must be interpreted by comparing it to federal health-based guidelines. Since radon is a radioactive gas, the test must be performed promptly after sample collection to ensure accuracy. The report typically includes detection limits and measurement uncertainty, and a result labeled "detected" means radon was measured, not that it constitutes a violation or unsafe condition.
Interpreting 'Detected,' 'Median,' and 'Range' in Government Sampling Data
The term "detected" means that radon was measurable in every sample from the area aquifer 341CSKL; it does not imply a violation. The "median" is the middle value of all results—here, 2135.0 pCi/L—indicating that half the samples were above and half below this concentration. The "range" from 67.0 to 7400.0 pCi/L shows the variability in radon levels across different sampled wells, which varied in depth from 15 to 740 feet. These statistics describe the distribution of radon in the area’s groundwater and help frame expectations, but individual well results may differ substantially.
While these area data provide valuable insight, they do not reveal the radon level in any specific household’s water supply. Homeowners in Wayne County should pursue direct testing of their own water source to determine their exposure and decide if treatment technologies like the C-Series Radon in Water Filter system would be beneficial for their household’s needs.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2014-09-17. 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 341CSKL aquifer (Wayne County): 194 results from 103 wells, median 2135.0 pCi/L, range 67.0-7400.0 pCi/L; none above any federal threshold