The range of radon detected in Allegany County wells is within federal standards but does not define your well's condition
The U.S. Geological Survey sampled eight wells in Allegany County's 112SDGV aquifer between 2010 and 2021. They found radon-222 in all 14 tests, with a median concentration of 690 picocuries per liter (pCi/L), ranging from 300 to 1270 pCi/L. None of these measurements exceeded federal screening levels, which means the radon levels detected in these wells are considered acceptable by regulatory guidelines. However, these area-wide figures cannot determine the radon concentration in your household well or tap water. Only a direct test of your water source can provide that information.
How the Autotrol Radon in Water Filter addresses radon presence in well water
Radon is a naturally occurring radioactive gas that can dissolve into groundwater. The Autotrol Radon in Water Filter is designed to reduce radon levels in residential water supplies by using a filtration process that removes this gas before water reaches your taps. This system ships ready to configure and operates by passing water through media that adsorbs radon, helping improve water quality for household use. While not all homes require this treatment, it provides an effective option for those whose water tests show elevated radon concentrations.
What the sampling timeline reveals about radon level variability in Allegany County
The radon data covers a period of over a decade, from October 2010 through September 2021, collected at wells between 70 and 199 feet deep. The detection range indicates some variability in radon concentration within the aquifer over time and location. Seasonal or annual variation can occur naturally due to changes in groundwater flow or geological conditions. This highlights the importance of regular testing of your own water source to understand current radon levels specific to your household.
Long-term effects of untreated radon presence in household water supplies
Radon in water primarily poses a risk when released indoors into air during water use activities like showering or cooking. Prolonged exposure to elevated radon levels can increase lung cancer risk. Radon does not cause immediate symptoms and does not affect the taste, odor, or appearance of water. Therefore, water that looks and tastes normal may still contain radon gas. Addressing radon in water helps reduce inhalation exposure from household water use over years.
How public water system records differ from private well testing in assessing radon risk
Public water systems are regularly monitored and their radon levels reported, ensuring compliance with federal guidelines. This system-wide data offers a general safety profile but does not represent private household wells that draw directly from local aquifers. Private wells require individual testing because radon concentrations can vary widely even within the same neighborhood or aquifer. Public data should be used as a reference point, not as a definitive measure of your home’s water quality.
Household indicators that may or may not suggest radon contamination
Since radon is odorless, colorless, and tasteless, its presence is not indicated by changes in water appearance or smell. Common household issues like staining, cloudy water, or unusual taste relate to other water quality factors, not radon. The only way to detect radon accurately is through specialized laboratory testing of your water. If you have concerns based on geology or local data, consider this test to determine if treatment is warranted.
In summary, the Allegany County USGS data provide useful context on radon levels in the regional aquifer but do not substitute for testing your household water. Understanding your own radon concentration is the key step before choosing treatment options. For homes requiring radon reduction, the Autotrol Radon in Water Filter offers a proven solution that ships ready to configure and can help protect your household over the long term.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2021-09-15. 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 112SDGV aquifer (Allegany County): 14 results from 8 wells, median 690.0 pCi/L, range 300.0-1270.0 pCi/L; none above any federal threshold
- ✓ 90-Day Money-BackNo restocking fees — return within 90 days.
- ✓ Manufacturer WarrantyGenuine Fleck · Pentair · VIQUA equipment.
- ✓ Free Expert SizingTalk to a specialist and buy the right system the first time.

