This week, you need to decide which level of water treatment will address radon for your household in Ouachita Parish.
Understanding Radon Measurements and Federal Standards
The range of radon detected in local samples
Government sampling of aquifer 124SPRT in Ouachita Parish found radon-222 in six wells, with values ranging from 44.0 to 207.0 picocuries per liter (pCi/L) and a median of 62.5 pCi/L.
Relation to federal guidance
None of these samples exceeded any federal threshold for radon in water. This means the data does not identify a violation or an unsafe condition by federal standards.
What these figures do NOT confirm about your water
These area-wide measurements cannot specify the radon concentration in your own well or tap water. Only an individual certified laboratory test of your water can determine that.
Interpreting Certified Laboratory Test Results for Radon
Test report content
A certified lab test for radon will give a precise radon-222 activity concentration in pCi/L. This figure quantifies the amount of radon gas dissolved in your water sample.
Evaluating your test result
Compare your test result to federal and state recommendations to understand if treatment would be advised. Government data provides context but does not substitute for your test.
Sample Size and Its Influence on Data Reliability
Number of wells sampled
Only six wells contributed radon data over a two-year span for aquifer 124SPRT, which limits the comprehensive scope of these findings.
Implications of small sample size
A small number of samples means wider variability may exist, so local test results could differ notably from reported medians or ranges.
Effect of Well and Sample Depth on Radon Levels
Depth of sampled wells
The sampled wells ranged from 340 to 730 feet deep, indicating radon levels reflect groundwater conditions at significant depth.
Depth affects radon concentration
Radon concentrations often depend on well depth and surrounding geology; shallower or deeper wells may have different radon levels than those sampled.
Water Fixtures and Processes First Influenced by Radon
Primary exposure routes
Radon in water mainly affects air quality when it is released during showering, cooking, or washing, as radon gas escapes from the water into indoor air.
Appliances affected
Fixtures that agitate water into aerosols, such as showers and humidifiers, typically release more radon gas into the air than other household appliances.
Sources of Radon in Ouachita Parish Groundwater
Natural origin
Radon is a naturally occurring radioactive gas formed by the decay of uranium in soil and rock beneath the aquifer.
Path to water supply
Radon dissolves into groundwater over time, entering wells and plumbing systems through the water drawn from the deep aquifer.
Given the radon activity you have measured in your own water, the Autotrol Radon in Water Filter ships ready to configure and is designed to reduce radon levels effectively, addressing household exposure concerns identified through testing.
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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