Government sampling in Seminole County’s 120FLRDU aquifer shows alpha particle activity detected consistently across sampled wells, with a median measurement of 0.5 pCi/L and a range from 0.3 to 3.3 pCi/L. None of these values exceed any federal threshold for uranium or radium, indicating the area’s groundwater generally meets regulatory standards for this constituent.
Myth: Household plumbing materials and age are a main cause of uranium and radium presence
The data from Seminole County reflect the naturally occurring uranium and radium in the groundwater itself. Household plumbing materials and their age do not influence levels of these radioactive elements in water. While plumbing can affect water taste or introduce other contaminants, the alpha particle activity measured is from source water, not from pipes or fixtures.
Myth: Uranium and radium enter water systems through distribution pipes or treatment plants
In this region, uranium and radium derive primarily from the natural mineral composition of aquifer rock layers, releasing alpha particle activity into groundwater. These elements are not introduced downstream through public water distribution or treatment facilities. The tested wells ranged from 72 to 220 feet deep, drawing water directly from these aquifers harboring uranium and radium naturally.
Myth: Public water system records reflect the same water quality as private wells
Public systems must meet federal standards and regularly monitor for radionuclides, generally reporting no exceedances here. Private well water can differ widely based on depth, location, and geology. Government area sampling provides a regional overview but cannot replace specific private well testing. Homeowners relying on well water should have their own water tested to understand uranium and radium levels precisely.
Myth: Laboratory test results for uranium and radium are straightforward and always easy to interpret
Certified laboratory tests report alpha particle activity usually in picocuries per liter (pCi/L). Results below reporting limits indicate concentrations too low for reliable measurement, while detections confirm presence without specifying safety status. Interpreting these results requires comparing them to federal standards and considering local sampling data. Testing is the only way to know an individual well’s status.
Myth: A small number of samples from a few wells is insufficient to understand uranium and radium levels in an area
The Seminole County record compiles eight samples from four separate wells over a twelve-day period. While this is a limited dataset, it reliably shows uranium and radium are present but below federal limits in this aquifer. More samples increase confidence, but these results establish a foundation for understanding regional water quality trends.
For households whose current water treatment equipment cannot keep pace with uranium and radium reduction, the Fleck Uranium & Radium System offers a documented solution. Designed with a 32,000 grain capacity, this equipment ships ready to configure and can address the demand indicated by your specific water testing results.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2015-08-24. 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 120FLRDU aquifer (Seminole County): 8 results from 4 wells, median 0.5 pCi/L, range -0.3-3.3 pCi/L; none above any federal threshold
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