Understanding Radon Levels in Miller County Water: Deciding Your Treatment Needs

Government groundwater sampling in Miller County's 124SPRT aquifer found Radon-222 in all tested wells, with values ranging from 49.0 to 370.0 pCi/L, and a median concentration of 55.0 pCi/L, based on three separate wells sampled between July and October 2012. None of these results exceeded federal radon thresholds.

Reading Certified Laboratory Radon Test Reports

Test Result Units and Meaning

Certified labs measure radon in picocuries per liter (pCi/L), indicating the radioactivity concentration in your water. A report shows the actual measured value, with 'non-detect' meaning levels were below the lab’s detection limit.

Contextualizing Your Result

Your water’s radon value is specific to your test sample. It cannot be assumed from area sampling data. Establishing this number requires a certified laboratory analysis of your household water.

Understanding Terms in the Miller County Sampling Record

What 'Detected' Implies

The record shows radon detected in all samples, confirming its presence in the aquifer rather than absence.

Interpreting 'Median' and 'Range'

The median (55.0 pCi/L) is the middle value of the three samples, while the range (49.0–370.0 pCi/L) shows the variability in concentration across different wells at depths of 85 to 150 feet.

Distinguishing Secondary Aesthetic Guidelines from Health Limits for Radon

Aesthetic Standards Are Not Health-Based Limits

Radon water levels sometimes have recommended targets to address taste or odor, but these do not define safety or health risk.

Federal Thresholds for Radon in Water

The sampled values from Miller County wells did not exceed federal limits. This means while radon is measurable, the concentrations found were within regulatory standards.

Steps to Assess Radon Concerns and Treatment Needs

Start with a Visual and Sensory Check

Radon in water does not change taste, smell, or appearance, so no direct observation can confirm its presence or level.

Next, Perform a Certified Laboratory Radon Test on Your Water

This definitive test reveals your household’s radon concentration, guiding treatment decisions.

Consider Radon in Air Testing

Since radon can transfer from water to indoor air, assessing air radon levels can complement water testing.

Evaluating Treatment Capacity Relative to Household Water Demand

Estimate Daily Water Usage

Calculate household water use in gallons per day to determine the volume your radon removal system must handle efficiently.

Matching Treatment to Capacity

The Autotrol Radon in Water Filter ships ready to configure to address measured radon levels and your water demand, ensuring proper treatment without oversizing.

Conclusions to Avoid from Area-Based Sampling

Do Not Assume Your Water Matches Area Median or Range Values

The government sampling reflects specific wells, not your household water, which could vary widely.

Detection Does Not Imply Violation or Unsafe Conditions

Radon presence at or below federal limits in Miller County wells indicates compliance but does not guarantee individual water safety without testing.

Testing is Essential to Determine Necessary Treatment

Only through certified lab results can you decide if the Autotrol Radon in Water Filter or another approach matches your household needs.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2012-10-29. 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 (Miller County): 3 results from 3 wells, median 55.0 pCi/L, range 49.0-370.0 pCi/L; none above any federal threshold