How do I compare the uranium-radium record in FIPS 140 to that of neighboring counties without overreading it?
Government sampling in the FIPS 140 area within the 112DFSF aquifer shows uranium-radium was detected in all tested wells but always below federal thresholds. Neighboring counties may have different geologic formations or land uses affecting groundwater composition; therefore, direct comparison requires considering these factors. Comparing median and range values side-by-side can highlight trends, but remember that no single area's data dictates your well’s exact condition.
How many samples and wells make up the uranium-radium data, and what does a small sample size mean?
The data comprises six alpha particle results from three separate wells sampled between June and September 2017. While this sample size represents groundwater conditions in the area, the limited number means localized variations may not be fully captured. Small samples give useful insights but cannot guarantee the water quality at any individual residence.
How should I judge treatment capacity against my household’s daily water demand when tackling uranium-radium?
Your household’s water use rate must be matched to a treatment system capable of reducing uranium-radium effectively at that flow rate. The C-Series Uranium & Radium System offers a rated capacity of 32,000 grains, supporting continuous treatment performance for typical residential use. Ensuring your system's grain capacity aligns with daily consumption prevents overload and maintains efficient contaminant removal.
How do seasonal or multi-year variations affect uranium-radium levels in the area’s groundwater record?
The six samples were collected over a roughly three-month span in mid-2017, showing uranium-radium levels ranging from 0.1 to 10.6 pCi/L. This range reflects natural variability during that period, but longer-term or seasonal changes could occur due to rainfall, groundwater recharge, or other environmental factors. Regular testing of your water is essential to detect shifts, as area sampling cannot predict future concentrations at your well.
Why do aesthetic secondary standards differ from health-based limits when applied to uranium-radium in water?
Federal uranium-radium thresholds focus on health-based standards established to limit exposure risk, while aesthetic secondary standards address taste, staining, or odor issues. In the sampled area, all uranium-radium measurements were below health-based federal limits, meaning any detection does not signal unsafe water but may warrant treatment to address aesthetic or long-term concerns.
What changes if I have a large household, a second home, or a seasonal property regarding uranium-radium treatment?
Larger households or multiple residences increase total water use, which demands treatment systems with higher capacity or multiple units to keep pace with flow rates and maintain contaminant reduction. Seasonal properties may experience fluctuations in water chemistry or flow patterns, making periodic water testing and system evaluation advisable to ensure ongoing protection.
What should I not conclude from the uranium-radium data collected for the FIPS 140 area?
You should not assume your well water has the same uranium-radium levels as the sampled wells. Detection in the area is not a violation of federal limits nor an indication of unsafe water. Only testing your specific water source can establish your household’s actual uranium-radium concentration. While the area data guides awareness and treatment planning, it cannot replace individual water analysis or guarantee system needs.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2017-09-11. 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 112DFSF aquifer (FIPS 140): 6 results from 3 wells, median 1.5 pCi/L, range -0.1-10.6 pCi/L; none above any federal threshold