Fleck Radon in Water Filter

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How Radon Enters Groundwater in Hillsborough County, FL

In Hillsborough County, radon-222 in groundwater originates primarily from natural uranium decay in the local geology. The aquifer labeled 120FLRD, sampled between 2010 and 2012, showed radon present in all tested wells, which ranged from 29 to 299 feet deep. Radon dissolves into groundwater as it passes through underground rock formations containing trace uranium, making it a persistent constituent in this area’s source water.

Distinguishing Radon from Other Commonly Confused Water Issues

Radon in water is often confused with problems like microbial contamination or chemical pollutants. Unlike bacteria or industrial chemicals, radon is a radioactive gas that emanates naturally and does not cause typical taste or odor complaints. It also differs from aesthetic concerns such as iron or manganese staining, which affect appearance. Understanding this helps clarify that radon is a unique concern requiring distinct testing and treatment approaches.

How Sample Depth, Well Depth, or Source Type Influence Expected Radon Levels

Samples in this record were collected from wells between 29 and 299 feet deep. Typically, deeper wells may influence radon concentrations as groundwater interacts differently with geological layers. Wells tapping into the aquifer 120FLRD can expect variability, as shown by a measured range from 42 to 4,900 pCi/L in the sampled area. However, these figures describe regional conditions and do not indicate any single well’s radon level, which must be confirmed by a specific test on household water.

The Role of Plumbing Material and Age Independent of Source Water Radon

Plumbing materials and the age of household water systems do not create radon but can influence how radon behaves once water enters the home. Materials such as PVC or copper generally do not absorb radon but may affect gas release rates into indoor air when water is used. Older plumbing may have different venting characteristics, potentially impacting radon gas accumulation from water usage. Addressing radon requires considering these plumbing factors alongside source water conditions.

Why Aesthetic Secondary Standards Differ from Health-Based Limits for Radon

Government sampling in Hillsborough County found no federal limit exceeded for radon in the measured wells. It is important to note that some aesthetic secondary standards govern taste, staining, or odor in water but do not apply to radon, which involves separate health-based concerns. Radon’s status as a radioactive gas means that thresholds focus on potential radiological exposure rather than water aesthetics. This distinction guides testing priorities and treatment choices.

Understanding 'Detected', 'Median', and 'Range' in This Area’s Sampling Record

In the 26 results from 20 wells sampled in this aquifer, radon was consistently detected, with a median value of 890 pCi/L and results ranging from 42 to 4,900 pCi/L. These numbers reflect the presence and variability of radon in the area’s groundwater but do not indicate a violation or unsafe condition by themselves. They serve as reference points for homeowners considering treatment options based on their own water test results.

When you measure radon in your household water, knowing your demand and concentration can guide the choice of effective water treatment. The Fleck Radon in Water Filter ships ready to configure and is documented to address radon concentrations consistent with figures found in Hillsborough County’s aquifer. Selecting the right system depends on your test results and household water use patterns.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2012-11-07. 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 120FLRD aquifer (Hillsborough County): 26 results from 20 wells, median 890.0 pCi/L, range 42.0-4900.0 pCi/L; none above any federal threshold