Using Laboratory Reports to Understand Uranium Levels
When you receive a laboratory report analyzing uranium in your well water, it lists concentration values usually measured in micrograms per liter (ug/L). These numbers represent the amount of uranium dissolved in your water sample at the time of testing. The report will show your specific well's uranium level but does not alone determine health risks or treatment needs without context.
Reading Harvey County’s Median and Range of Uranium Concentrations
The U.S. Geological Survey sampled 17 wells tapping the 112PLSC aquifer in Harvey County between April 2010 and August 2016. Across 60 results, the median uranium concentration was 0.393 ug/L, with values ranging from 0.005 to 17.2 ug/L. This median means half of the measurements were below 0.393 ug/L and half above it. The wide range shows variability among wells and sample times but provides a regional frame of reference.
Temporal Variation in Uranium Levels: What Six Years of Data Show
The sampling stretched over more than six years, revealing how uranium concentrations can change seasonally or from year to year in groundwater. Factors such as rainfall, aquifer recharge, and geochemical conditions likely influence these shifts. However, no single well’s concentration is inferred directly by this data; it simply outlines typical fluctuations in the area’s aquifer.
Comparing Harvey County’s Uranium Data with Neighboring Counties
When comparing uranium concentrations from Harvey County with adjacent counties’ records, it’s important to avoid overinterpreting differences. Regional geology and sampling methods vary, so overlapping ranges are common. The Harvey County data’s median of 0.393 ug/L and range up to 17.2 ug/L highlight local variability but do not define a strict boundary or risk threshold compared to neighbors.
Understanding Key Terms: 'Detected', 'Median', and 'Range' in Context
In this area, uranium was detected in every sample, meaning it was measurable above the instrument’s reporting limit. Detection does not imply contamination or health risk—only presence. The median splits the data set’s concentrations into halves, giving a central tendency, while the range shows the lowest and highest measurements observed. No sampled wells in Harvey County exceeded federal uranium limits, so the detections fall within accepted standards.
Long-Term Effects When Uranium or Radium Are Untreated
Without treatment, persistent uranium and radium in household water can affect taste and stain fixtures. Extended consumption of water with elevated uranium or radium might pose health concerns, depending on individual concentrations and exposure duration. Because uranium and radium levels vary widely, knowing your specific well’s values through testing is essential to assess any potential impact.
Treatment Options for Uranium and Radium in Home Water Systems
For homes needing to reduce uranium and radium, a specialized water treatment device like the Fleck Uranium & Radium System offers a documented solution. It is designed for capacities up to 32,000 grains and ships ready to configure for residential use. This system targets uranium and radium removal, providing a practical approach to improving water quality once levels are confirmed by laboratory testing.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2016-08-17. 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 Uranium in the 112PLSC aquifer (Harvey County): 60 results from 17 wells, median 0.393 ug/L, range 0.005-17.2 ug/L; none above any federal threshold
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