Government sampling conducted by the U.S. Geological Survey in Dakota County, Nebraska, specifically for wells drawing from aquifer 211DKOT, shows uranium was detected in all 28 results collected from 10 separate wells between 2013 and 2025. The median uranium concentration measured was 0.243 micrograms per liter (µg/L), with individual results ranging from 0.047 to 21.9 µg/L. Importantly, none of these detected levels exceeded any federal limits. These data provide an overview of uranium occurrence in the aquifer but do not describe any individual household’s water.
How Treated Water Differs at the Tap When Using the C-Series Uranium & Radium System
When household water is treated with the C-Series Uranium & Radium System, uranium and radium levels can be reduced to well below detection or health-relevant concentrations. This system uses specialized filtration media designed to adsorb these radioelements, preventing them from reaching household fixtures and appliances. The treated water is otherwise unchanged in appearance or taste, providing safe and reliable water supply compatible with daily use. The system ships ready to configure for connection with existing home plumbing setups.
Interpreting the Area Uranium Record: Understanding Median and Range
The median concentration of 0.243 µg/L in Dakota County aquifer 211DKOT indicates that half the groundwater samples had uranium above this level and half below. The range up to 21.9 µg/L shows some variability among local wells, likely reflecting geological differences. Median and range figures help set expectations but do not predict an individual well’s uranium content. Only a specific test of your household water can determine its exact uranium and radium levels.
Ruling Out Causes Step-by-Step: From Basic Checks to Lab Testing
To confirm whether uranium or radium are concerns in your household water beyond what your existing equipment handles, start with easy checks such as reviewing local well records or recent municipal water reports, if applicable. Next, assess if your current treatment system is functioning per its design, including filter media capacity. If questions remain, because uranium and radium occur naturally in the region’s aquifer, comprehensive laboratory testing of your domestic water supply is necessary to determine precise levels and inform further action.
How Public Water System Records and Private Well Testing Differ in What They Tell You
Public water systems provide regularly published water quality data reflecting large-scale, treated supplies serving many customers. These records generally show compliance with health-based limits and provide an indication of regional water conditions but do not reveal specific details about individual wells. Private well testing, in contrast, yields exact water quality for a particular household. The government sampling referenced here is an area-wide dataset from aquifer 211DKOT wells, which is informative but not a substitute for testing your own water.
For households in Dakota County using well water from aquifer 211DKOT, the next critical step is to order a comprehensive laboratory analysis for uranium and radium. A test result within federal guidelines will confirm your current equipment’s effectiveness. Should elevated levels appear, using the C-Series Uranium & Radium System with its 32,000-grain capacity media provides a proven solution for reducing these naturally occurring constituents to safe levels, ensuring drinking water quality and household safety.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2025-06-12. 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 Uranium in the 211DKOT aquifer (Dakota County): 28 results from 10 wells, median 0.243 ug/L, range 0.047-21.9 ug/L; none above any federal threshold