Pentair Uranium & Radium System

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If Your Water Is From a Public Supply, Know This Does Not Reflect Private Well Levels

Records from public water systems in Arizona do not directly state conditions in private household wells. Government groundwater sampling in the local aquifer shows a range of Radium-228 levels measured across 24 wells between 2010 and 2018, but these results represent area conditions, not any single well or household water. Each private well’s Uranium-Radium content requires specific testing to determine individual concentrations and inform treatment choices.

If You See Median and Range Values, Here’s How They Relate to Your Household

The U.S. Geological Survey measured Radium-228 in wells from this Arizona aquifer, reporting a median of 0.3 pCi/L with a range from 0.14 to 0.78 pCi/L. All 24 sample results detected Radium-228 below federal thresholds for drinking water, indicating no area-wide exceedances. This median reflects the middle detected value among wells, while the range shows the lowest and highest detections sampled in the area. Your home’s actual level could vary anywhere within or outside these values and requires a certified test for confirmation.

If Household Signs Are Present, Distinguish Which Point to Uranium-Radium

Common water quality symptoms in homes with Uranium and Radium concerns may include changes related to plumbing or water use, though most effects are not visually or physically obvious. Unlike aesthetic issues such as taste or staining, Uranium-Radium presence involves radiation-related considerations that do not cause immediate sensory changes. If you notice plumbing corrosion or discoloration, these are not definitive indicators of Uranium-Radium but could warrant further assessment of your water’s overall chemistry.

If Matching Treatment to Household Demand, Consider Daily Water Use and Capacity

The Pentair Uranium & Radium System is designed to address these contaminants with a grain capacity of 32,000, suitable for residential water volumes. To ensure effective treatment, estimate your household’s daily water usage and compare it with the system’s capacity. This comparison helps decide if the system can support your typical consumption without frequent capacity depletion, enabling continuous reduction of Uranium-Radium components when present.

If Uranium-Radium Levels Persist Without Treatment, Understand the Long-Term Context

When Uranium-Radium alpha particle activity is not managed, radioactive elements may accumulate in your water supply, potentially increasing radiation exposure over years. However, the area’s sampling data shows all levels detected are below federal standards. Untreated levels that stay within regulatory limits generally do not produce immediate or acute health effects but can support cautionary testing and potential treatment if your specific well water exceeds those measures.

If You Receive a Certified Laboratory Test, Here’s How to Interpret Radium-228 Results

A certified lab report for Uranium-Radium commonly includes measurements of Radium-228 in picocuries per liter (pCi/L). Results indicate the detected activity level of radioactive particles but do not classify detection itself as a violation. Concentrations above regulatory limits warrant treatment, while detections below limits indicate the element’s presence within acceptable bounds. Testing your own water is essential to identify exact concentrations and determine treatment needs accurately.

Government sampling of 24 wells in this Arizona aquifer from 2010 to 2018 shows Radium-228 present in all samples tested but always below federal thresholds. This area-wide data provides context but cannot replace direct testing of your household water supply. For detailed information and access to raw data, visit the U.S. Geological Survey water data portal.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2018-08-01. 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 Radium-228 in the aquifer (FIPS ): 24 results from 24 wells, median 0.3 pCi/L, range -0.14-0.78 pCi/L; none above any federal threshold