How Uranium and Radium Enter Groundwater in Union County, AR
Uranium and radium are naturally occurring radioactive elements found in rocks and soils. In Union County, Arkansas, groundwater from aquifer 124SPRT can contain trace amounts of alpha particle activity caused by these elements. These constituents leach into water as it travels through soil and rock layers. The aquifer's geology determines the likelihood and concentration of uranium and radium entering well water drawn from it.
Which Fixtures, Appliances, or Processes Are Affected First and Why
Water containing uranium and radium impacts the whole household water supply, affecting devices and fixtures using water directly. Faucets, showers, appliances like dishwashers, and water heaters receive this water untreated unless an appropriate filtration device is used. Since uranium and radium decay emit alpha particles, they pose particular concern when water is ingested, making drinking water treatment especially important.
What 'Detected,' 'Median,' and 'Range' Mean in the Sampling Record
The U.S. Geological Survey sampled six wells in the Union County aquifer 124SPRT between July and August 2014, measuring alpha particle activity as a proxy for uranium and radium levels. All six results showed detection, meaning instruments measured alpha particle activity, but values ranged from -1.6 to 1.5 pCi/L, with a median of -0.2 pCi/L. A negative value indicates a measurement near zero after background correction. Detection does not imply a violation or unsafe condition—none exceeded any federal regulatory threshold.
A Worked Example: Reading the Record's Median and Range as a Homeowner
Imagine your well taps into this aquifer. The median alpha particle activity of -0.2 pCi/L suggests typically very low levels of uranium and radium. The range from -1.6 to 1.5 pCi/L indicates some variation among wells sampled, but all were below safety thresholds. Your home’s water test is necessary to determine the specific level. This local government record provides a reference telling you what has been detected near you but not what your well contains.
How Seasonal or Multi-Year Variation Shows in the Record
The 2014 sampling occurred over a few weeks in summer, limiting temporal data. Variations might occur year-round or with seasonal changes like rainfall or water table shifts, but this data set does not document such effects. Multiple wells sampled at depths from 290 to 615 feet capture some variability in aquifer conditions. Longer-term monitoring would be needed to understand time-based fluctuations more fully.
In summary, government testing in Union County’s aquifer shows uranium and radium presence at low levels without exceeding federal limits. For homeowners concerned about uranium and radium in their water, a test of their own well water is essential. To address detected uranium and radium, the C-Series Uranium & Radium System ships ready to configure and is designed for effective reduction of these elements, offering a reliable option for residential water treatment.
This summary reflects sampling for uranium and radium in Union County’s aquifer 124SPRT by the U.S. Geological Survey. More details are available from their groundwater data resources.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2014-08-12. 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 Alpha particle in the 124SPRT aquifer (Union County): 6 results from 3 wells, median -0.2 pCi/L, range -1.6-1.5 pCi/L; none above any federal threshold