How sample depth, well depth or source type changes what a reader should expect
Radon levels vary by well depth
Government groundwater sampling in Camden County’s aquifer 211MRPAU included wells between 276 and 473 feet deep. Deeper wells often show different radon concentrations than shallower ones due to geologic factors. Your own well depth may influence your water radon but cannot be directly inferred from these area averages.
The samples cover a groundwater source type, not surface water
The reported radon measurements are from groundwater wells, not surface water or treated municipal systems. Radon behaves differently in groundwater, which this data reflects.
Which fixtures, appliances or processes are affected first and why
Aeration increases radon release at taps
Radon dissolved in water is released into indoor air most readily when water is agitated or aerated. Showers, faucets, and appliances that spray or bubble water release radon gas. These points are where radon exposure from water is most notable.
Water heaters and plumbing do not remove radon
Radon is a gas and cannot be filtered by conventional water heating or basic plumbing. Without proper equipment, radon remains present throughout household water use.
What 'detected', 'median' and 'range' mean in the sampling record on this page
Detected means radon was measurable, not problematic
All three sampled wells in Camden County showed radon detections from 62.0 to 134.0 pCi/L. Detection simply means radon was measured, not that it violates any safety standard.
Median is the middle value of sampled wells
The median radon level was 89.0 pCi/L, indicating half the samples were below and half above this value among the three Wells.
Range shows variability among samples
The range from 62.0 to 134.0 pCi/L reflects natural variations in radon concentrations between different wells within the aquifer.
The household or facility symptoms that do and do not point to this problem
Radon from water does not cause direct water taste or odor changes
Radon is a colorless, odorless gas in water, so its presence does not change water taste or smell. Any unusual taste or odor likely has other causes.
Indoor air quality concerns may arise from radon release during water use
Radon released into indoor air during showering or faucet use could contribute to overall radon exposure in your home, which is a separate concern from water quality itself.
What a certified laboratory test for this constituent reports and how to read it
Laboratory tests measure radon levels as picocuries per liter
Tests from certified labs report radon in water as picocuries per liter (pCi/L), quantifying radioactivity present.
Only a test of your own water shows your water’s radon concentration
Area sampling data is helpful background but cannot substitute for testing your own water source. A certified lab test is required to determine your household water’s radon level.
Interpreting results involves checking against guidance levels
While radon detections here were below federal threshold levels, evaluating your own result in the context of such thresholds and risk management is important.
In summary, groundwater samples in Camden County’s aquifer 211MRPAU show detectable radon but no exceedances of federal thresholds. Radon release to indoor air occurs primarily through water aeration points. To know your water’s actual radon content, secure a certified lab test. For reducing radon in household water, the Fleck Radon in Water Filter ships ready to configure and offers documented removal of radon-222 to help manage exposure.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2022-12-08. 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 211MRPAU aquifer (Camden County): 3 results from 3 wells, median 89.0 pCi/L, range 62.0-134.0 pCi/L; none above any federal threshold
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