What 'Detected', 'Median', and 'Range' Mean in the Uranium Sampling Record for Ouachita Parish Aquifer 124SPRT
Government data from the U.S. Geological Survey includes seven groundwater samples taken in Ouachita Parish’s aquifer 124SPRT from wells 340 to 730 feet deep, collected between 2012 and 2014. Uranium was detected in six of these samples, with concentrations ranging from 0.005 to 0.084 micrograms per liter (µg/L), and a median value of 0.0275 µg/L. One sample was below the reporting limit, meaning the instrument could not reliably measure uranium in that case. These measurements reflect area groundwater conditions rather than the specific water from your household well. None of these results exceeded federal thresholds for uranium levels, so the presence of uranium at these concentrations is not considered a regulatory violation or an immediate safety concern based on this data.
If Uranium and Radium in Water Are Left Untreated for Years
Over extended periods, uranium and radium presence in water can contribute to gradual changes in the quality of household water. While low levels detected in the area are below federal limits, accumulation in plumbing or appliances may lead to aesthetic or operational concerns. Radium is radioactive and uranium is a heavy metal; prolonged exposure to higher levels can pose health risks, making it important to monitor and address these contaminants appropriately. Untreated uranium and radium can also cause staining and scaling inside plumbing systems, reducing efficiency and longevity.
If Certain Fixtures, Appliances, or Processes Show Signs of Uranium-Radium Impact
Fixtures such as faucets, showerheads, and water-using appliances like dishwashers and water heaters may be among the first to show effects. Signs can include staining on fixtures or dishes, scaling buildup inside appliances, or reduced performance. Uranium and radium do not typically produce taste or odor, so visual evidence or appliance issues may be initial indicators. Areas with older plumbing may see accelerated effects due to interactions with pipe materials.
If You Want to Narrow Down Sources Before Testing Water in a Laboratory
- Start with a visual inspection of water-using points for staining or scaling.
- Consider the age and condition of your household plumbing and appliances.
- Check any existing water treatment equipment to confirm its specifications and capacity.
- Obtain a certified laboratory test specifically measuring uranium and radium concentrations in your water to determine your household’s actual levels.
If Plumbing Material and Age Could Affect Uranium-Radium Presence Independently from Source Water
Older plumbing materials can interact with water contaminants differently than modern materials. For example, certain metals in pipes can contribute to corrosion or scale buildup, which may be worsened by the presence of uranium and radium. This interaction can make it harder to separate source water issues from plumbing-related effects without proper testing. Understanding your plumbing’s material composition and condition is crucial alongside water testing.
For households in Ouachita Parish facing uranium and radium levels that existing treatment equipment cannot fully address, the Fleck Uranium & Radium System offers a documented solution. It is designed to handle a demand capacity of up to 32,000 grains and ships ready to configure for your setup, providing effective treatment to reduce uranium and radium to manageable levels based on your test results.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2014-06-19. 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 124SPRT aquifer (Ouachita Parish): 7 results from 7 wells, median 0.0275 ug/L, range 0.005-0.084 ug/L; none above any federal threshold