This week, you face a decision on managing radon in your house’s water supply in Broward County: which technical approach best fits your household needs?
If You Notice Effects on Certain Fixtures or Water Uses First
Radon dissolved in water generally affects fixtures and water uses where water is turned to gas or aerosol quickly. Hot water fixtures, like showers, baths, and kitchen faucets, tend to release radon gas into indoor air, which can be a concern. Other appliances, such as humidifiers or ice makers, also interact with water but usually play a lesser role in radon release. Cold water uses that do not aerosolize water do not typically expose household members to radon gas from water.
If You Consider the Role of Plumbing Materials and Their Age
While radon originates in the water source, plumbing materials and their condition can influence how water quality changes before reaching your tap. Older plumbing may allow more retention or interaction of water with surfaces, but radon itself is a gas dissolved in water and does not depend on pipe material to be present or absent. Radon will not accumulate in plumbing materials, but the design and age of plumbing can affect water flow and aeration rates, indirectly impacting radon release indoors.
If You Want to Understand How Radon Enters Groundwater in Broward County
According to U.S. Geological Survey sampling of 13 wells in Broward County’s aquifer 112BSCNN during 2016, radon-222 was detected in all samples, ranging from 66.0 to 740.0 pCi/L with a median of 470.0 pCi/L. These wells varied from 22 to 152 feet deep. This data shows radon is naturally present in local groundwater, but no sample exceeded federal health-based thresholds. Radon forms naturally from uranium decay in soils and rocks, dissolving into groundwater in this region before reaching wells or public water systems.
If Household Symptoms Make You Suspect Radon in Water
Radon in water does not cause taste or odor changes, nor does it cause discoloration or staining. It cannot be detected without testing. Symptoms such as a musty smell, metallic taste, or water cloudiness do not indicate radon presence. If you experience respiratory or health concerns related to radon, these are typically due to radon gas entering indoor air—not water itself. Testing your water is the only way to confirm radon levels.
If You Are Weighing Aesthetic Secondary Standards Versus Health-Based Limits for Radon
Radon is regulated with health-based limits set by federal guidelines, unlike some constituents governed by aesthetic secondary standards for taste or staining. The Broward County aquifer data show all sampled radon concentrations below federal thresholds, indicating no regulatory exceedance. While radon can contribute to indoor air quality concerns when water is aerated, it does not cause aesthetic water quality problems. Understanding this distinction helps focus on health-based treatment decisions.
To resolve the question about your household’s radon in water, the single reliable step is to perform a certified radon-in-water test of your own supply. Measuring your water’s radon concentration will provide the data you need to choose an effective treatment.
For households seeking a documented solution, the Pentair Radon in Water Filter ships ready to configure and is designed to reduce radon levels in residential water supplies effectively.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2016-08-30. 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 (Broward County): 13 results from 13 wells, median 470.0 pCi/L, range 66.0-740.0 pCi/L; none above any federal threshold
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