Government sampling from 13 wells in Pottawatomie County's 310WLNG aquifer showed radon detected in every sample, with concentrations ranging from 95 to 3600 pCi/L and a median of 270 pCi/L; these findings are from wells 102 to 320 feet deep, collected between August and October 2011.
How Water Quality Changes at the Tap with Treatment
Radon concentration is significantly reduced by a Pentair Radon in Water Filter system
When water passes through this specialized filtration system, radon levels drop, resulting in water that is safer to use for drinking and household tasks sensitive to radon presence.
Improved water reduces radon gas release during typical use
Lower radon in water means less indoor air contamination from radon released during showering, cooking, or dishwashing.
Understanding Certified Laboratory Radon Test Results
Tests report radon in picocuries per liter (pCi/L), quantifying radioactive decay
Tests measure radon concentration to indicate how much radioactive gas is present per volume of water, helping assess exposure potential.
Lab reports use detection limits specific to radon, with all Pottawatomie samples above these limits
All area samples detected radon, meaning its presence is confirmed, not necessarily that it is unsafe.
Sources of Radon in Groundwater in This Region
Radon naturally occurs from uranium decay in local soils and rocks
Radon forms underground as radioactive materials in bedrock and sediment break down over time.
Depth of wells affects radon levels due to varying geologic conditions
Wells sampled ranged from 102 to 320 feet deep, illustrating depth influences on radon measurements.
Considerations for Large, Second, or Seasonal Homes
Higher water usage in large households may increase exposure without treatment
More water use means more radon release indoors if water is untreated.
Seasonal homes may show variation in water radon levels due to changes in groundwater dynamics
Radon concentration can fluctuate with seasonal groundwater conditions, affecting less frequently used properties differently.
Fixtures and Appliances Most Sensitive to Radon in Water
Showers and bathtubs release radon gas into indoor air rapidly
Radon escapes from water into air during bathing, making these fixtures critical points to consider.
Cooking and dishwashing areas expose residents to radon via steam and aerosol
Heat and agitation release radon gas from water used in kitchens.
What to Record Before Seeking Further Treatment Advice
Document certified laboratory radon test values specific to your water supply
Knowing exact radon measurement from a lab helps tailor treatment decisions precisely.
Note well depth and construction details for accurate radon source assessment
Such information helps identify radon pathways and potential treatment effectiveness.
Remember, area sampling data shows radon presence but does not define the radon concentration in your own water; only a certified lab test of your specific well or supply water can determine that. The Pottawatomie County aquifer radon levels sampled do not exceed any federal thresholds. Thus, while radon exists regionally, this data alone should not lead to assumptions about your household water safety without individual testing. The Pentair Radon in Water Filter ships ready to configure and is designed to reduce radon where testing indicates its need.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2011-10-12. 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 310WLNG aquifer (Pottawatomie County): 13 results from 13 wells, median 270.0 pCi/L, range 95.0-3600.0 pCi/L; none above any federal threshold
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