Pentair Radon in Water Filter

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Adjustments for Large Households, Second Homes, or Seasonal Properties

If your household uses more water daily than average, such as a large family or if you maintain a second or seasonal home, you’ll need to factor water treatment capacity accordingly. Radon levels measured in your area's aquifer provide a baseline, but greater water use means the treatment approach must handle higher volume without compromising effectiveness. For seasonal properties, consider that radon concentrations in well water generally do not fluctuate dramatically but testing before each use season helps confirm current water quality.

Comparing Radon Records Between Santa Fe County and Neighboring Areas

U.S. Geological Survey data for Santa Fe County’s S100RIOGRD aquifer show radon-222 concentrations ranging from 500 to 1320 picocuries per liter (pCi/L), median 660 pCi/L, based on three wells sampled in 2014. Nearby counties may report somewhat different ranges due to geology and aquifer characteristics, but direct comparisons must be cautious. Area samples reflect general trends, not precise conditions for any single property. Differences in sampling depth, season, and methodology mean you should not conclude that your water is better or worse solely from neighboring data.

Recognizing Household Indicators Related and Unrelated to Radon in Water

Radon in water is a gas that does not change taste or odor. Therefore, typical household observations like strange tastes, smells, or visible particles do not indicate radon presence or absence. Some radon exposure risks relate more to airborne radon released during water use, such as showering or cooking, rather than directly from water ingestion. Signs like staining, cloudiness, or metallic taste point to other water issues, not radon. To understand your own household’s radon risk from water, specific testing of your well or supply is necessary.

Pathways of Radon Entry into Groundwater and Local Water Systems

Radon-222 arises naturally from the decay of uranium in underground rock formations. In the Santa Fe County S100RIOGRD aquifer, radon dissolves into groundwater over time. Sampled wells in this area, between 250 and 496 feet deep, showed consistent detection of radon within the reported range. Radon enters household water supplies when wells draw from these aquifers. While radon levels can vary with depth, geology, and water flow, the presence of radon in groundwater is typical in this region’s geology.

Differences Between Public Water System Records and Private Well Testing

Public water systems maintain regular testing and records that reflect the water quality at the distribution point but often do not monitor radon specifically, as it is not federally regulated in public water. Private wells, however, require individual testing for radon since concentrations can vary substantially even within the same aquifer. The USGS data for Santa Fe County offer a regional reference but do not substitute for private well testing, which is the definitive method to determine your household’s radon concentration.

None of the sampled wells in this set exceeded federal radon thresholds. This means the area’s typical radon levels measured do not violate any regulatory limits, but this does not guarantee your individual water source meets that condition.

When you measure your household water demand, consider that effective radon removal methods exist to address treatment at the scale of your daily use. One such option is the Pentair Radon in Water Filter, which ships ready to configure to meet residential water treatment needs for radon reduction.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2014-08-05. 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 S100RIOGRD aquifer (Santa Fe County): 3 results from 3 wells, median 660.0 pCi/L, range 500.0-1320.0 pCi/L; none above any federal threshold