This week, you need to decide how seriously to consider uranium and radium in your household water supply based on regional data and what to do next.
Myth: Uranium and radium naturally enter all groundwater in Pender County at harmful levels.
Government groundwater sampling conducted by the U.S. Geological Survey in Pender County’s 124CSLH aquifer offers a clear regional picture. Samples taken from nine wells at depths ranging from 22 to 220 feet between August 2013 and June 2024 show uranium detected in only three of fourteen test results, with concentrations ranging narrowly from 0.005 to 0.014 micrograms per liter (µg/L). Notably, none of these detections exceed any federal thresholds for uranium. This indicates that while uranium is present in some wells, it is generally at low concentrations that do not surpass regulatory guidance. Radium measurements were not part of this dataset but often co-vary with uranium in aquifers, warranting consideration if your well is tested.
Myth: Maintenance of uranium and radium treatment systems is complicated and frequent.
The technology documented to address uranium and radium in residential water—Pentair Uranium & Radium System—ships ready to configure and requires a straightforward maintenance rhythm. For a system designed with a 32,000-grain capacity, routine care involves periodic media replacement and monitoring based on usage, typically on a biannual or annual schedule depending on household water consumption and contaminant levels. This manageable maintenance routine helps ensure consistent reduction of uranium and radium without disruptive upkeep.
Myth: Regional uranium levels in Pender County’s aquifer are the same as in neighboring areas and can be directly compared.
While it may be tempting to compare Pender County’s uranium measurements with those from adjacent counties, such comparisons should be made cautiously. Differences in aquifer geology, sampling depths, and well construction affect uranium presence. The USGS sampling results specific to Pender County’s 124CSLH aquifer cannot be directly transferred to other regions. Instead, each area requires individual evaluation to avoid overinterpreting regional variations as reflective of your water quality.
Myth: A certified laboratory test will simply confirm the presence or absence of uranium and radium without nuanced results.
Certified laboratory testing for uranium and radium reports specific concentrations in micrograms per liter (µg/L), providing more than just detection status. These reports help you understand if concentrations are below or above specific regulatory or aesthetic thresholds. However, detection alone does not imply exceedance of any health-based limits. Reading these tests carefully involves noting both the concentration values and the detection limits used, as well as how these compare to federal guidelines. Such detailed interpretation guides informed water treatment decisions.
Myth: Plumbing age and material affect uranium and radium levels in household water.
Sources of uranium and radium are primarily geological, entering water through natural aquifer processes. Plumbing materials or household piping age do not increase uranium or radium concentrations but may influence other water quality aspects unrelated to these radionuclides. Thus, addressing uranium and radium focuses on treating source water, not modifying plumbing components.
If your certified laboratory results show measurable uranium or radium, consider the Pentair Uranium & Radium System which directly targets these constituents. It supports households with a substantial 32,000-grain capacity built to effectively reduce uranium and radium levels aligned with your measured demand in Pender County’s regional water context.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2024-06-18. 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 124CSLH aquifer (Pender County): 14 results from 9 wells, median 0.013 ug/L, range 0.005-0.014 ug/L; none above any federal threshold
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