Radon in Miami-Dade County Water: Deciding Your Home Treatment Class

Government sampling by the U.S. Geological Survey for Miami-Dade County aquifer 112BSCNN shows radon-222 detected in all tested wells, with measurements ranging from 74.0 to 390.0 pCi/L and a median of 157.5 pCi/L. None of the samples exceeded any federal safety thresholds, reflecting the radon presence typical to this aquifer.

If You Leave Radon Untreated in Your Household Water Over the Years

Radon is a naturally occurring radioactive gas that can dissolve into groundwater. While radon in water itself does not cause immediate health effects when ingested, it can release into indoor air during water use, potentially increasing long-term exposure risk. Without treatment, radon levels in household water may remain consistent with the regional groundwater data, possibly contributing to indoor air radon concentrations over time.

If You Consider the Number of Samples and Wells Represented by This Data

The radon data for Miami-Dade County aquifer 112BSCNN come from 10 separate wells sampled over a 10-day period in 2016, with well depths ranging from 22 to 132 feet. This sample size provides an initial understanding of regional radon variability but does not capture all local variations. Individual wells may have different levels, so testing your specific water source is necessary for precise information.

If You Wonder How Plumbing Material and Age Affect Radon Levels Independently from Source Water

Plumbing materials and system age are significant factors in indoor radon accumulation but do not alter radon concentrations originating from source water. Materials like PVC, copper, or galvanized steel do not change radon content; however, older or less sealed plumbing may influence how radon gas escapes into household air. Managing waterborne radon involves addressing the water before it enters these systems.

If You Want to Understand What the Median and Range Mean for a Typical Home

The median radon level of 157.5 pCi/L represents the middle value among the 10 sampled wells, while the range from 74.0 to 390.0 pCi/L reveals variability across the local groundwater. Homes drawing from this aquifer could have radon in water anywhere within this range, but exact levels require on-site testing. The median suggests that radon presence is regularly detectable and may warrant consideration for water treatment based on household circumstances.

If You Are Curious About How Treated Water Differs at the Tap Using the Autotrol Radon in Water Filter

Once the Autotrol Radon in Water Filter system is in place, radon levels in your household water can be substantially reduced before it reaches your taps. This technology is designed to lower radon by filtering or aerating water, which decreases the dissolved gas concentration and therefore the potential for radon release indoors. Treated water typically shows a notable improvement in radon content compared to untreated sources.

If You Have a Large Household, a Second Home, or Seasonal Usage Patterns

Household size and water usage affect how often water with radon cycles through the system. Larger households or residences with high water consumption may see greater potential radon exposure, making treatment devices more beneficial. Seasonal or second homes may require different maintenance or monitoring strategies to ensure radon mitigation remains effective when water use varies.

What You Should NOT Conclude From These Regional Radon Data

The government sample results represent radon levels found in area wells but do not specify your home's water condition. Detection in this aquifer area does not indicate a violation or unsafe condition by federal standards. To make informed decisions regarding radon in your household water, you need testing of your own water source to establish precise concentrations. Treatment decisions should rely on your home's specific data combined with professional guidance on the best technology to reduce radon effectively.

The Autotrol Radon in Water Filter system ships ready to configure, offering a documented approach to managing radon for households concerned about waterborne radon levels in Miami-Dade County.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2016-06-16. 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 112BSCNN aquifer (Miami-Dade County): 10 results from 10 wells, median 157.5 pCi/L, range 74.0-390.0 pCi/L; none above any federal threshold