1. How Well Depth and Source Affect Expected Radon Levels
If you notice an earthy or musty taste or are aware of radon concerns in your home water, first consider the characteristics of your water source. The U.S. Geological Survey sampled six wells in Ouachita Parish from 340 to 730 feet deep within aquifer 124SPRT, detecting radon in all samples with a median of 62.5 pCi/L and a range from 44.0 to 207.0 pCi/L. These data show the range of radon concentrations found in deep wells of this aquifer but do not specify your well's exact content. Deeper wells can bring water with higher radon concentrations from geologic formations containing uranium decay products. Your well's depth and its specific location within the aquifer will influence your radon levels.
2. How Plumbing Materials and Age Influence Radon Levels Beyond Source Water
Radon in water primarily originates from the aquifer, but household plumbing can affect its presence and how it appears at the tap. Materials such as certain plastics or metals do not create radon but can influence its retention or off-gassing. Older plumbing with corrosion or buildup may affect the apparent radon concentration or cause release from water into indoor air. Understanding your system’s plumbing age and materials can help to interpret readings and manage radon effectively.
3. What Six Separate Wells Sampled Over Two Years Tell Us—and What They Don’t
The U.S. Geological Survey’s six samples from different wells over two years provide a snapshot of radon in this area’s aquifer water but represent a limited dataset. The presence of radon in all six wells studied confirms it is consistently present in the water supply of this region’s geology. However, this small sample size means that variations could exist in your specific well. Testing your household water is the only way to know your home's radon concentration precisely.
4. Comparing Treatment Capacity to Your Household Water Demand
When your existing radon removal equipment has failed, it is critical to consider the volume of water your household uses daily to ensure a replacement system meets your needs. Systems designed to reduce radon should accommodate peak daily demand, including all points of water use such as showers, faucets, and appliances. Ensuring treatment capacity matches your usage helps maintain radon levels within desired ranges and consistent water flow throughout the home.
5. Additional Considerations for Larger or Commercial Water Users
Commercial or industrial operations servicing Ouachita Parish water users may face stricter monitoring or higher-volume demands. They must consider regulatory compliance, system certification, and maintenance on a larger scale. While households focus on water quality for health and taste, larger users also evaluate system scale, treatment throughput, and cost-effectiveness when addressing radon in water.
Final Step: The definitive action to resolve uncertainty about radon in your household water is to arrange for an independent laboratory test of your well or water supply. This test will provide radon concentration specific to your water and allow you to verify whether your treatment method is working effectively. The Fleck Radon in Water Filter ships ready to configure and offers a documented, reliable solution to reduce radon levels in household water, helping you restore confidence in your water quality.
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 Radon-222 in the 124SPRT aquifer (Ouachita Parish): 6 results from 6 wells, median 62.5 pCi/L, range 44.0-207.0 pCi/L; none above any federal threshold
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