Government groundwater sampling in Bertie County’s aquifer 211CPFRU shows fluoride was detected in all tested wells over several years, with concentrations ranging from 0.17 to 2.78 mg/L. None of these measurements exceeded federal thresholds for fluoride in drinking water.
Belief: One or Two Samples Reveal Local Fluoride Levels Accurately
The available data comes from five fluoride measurements collected from three different wells between 2013 and 2022. These wells were 222 to 409 feet deep and provide a small but informative snapshot of fluoride in the aquifer serving this area. Because the sample size is limited and wells vary in depth and location, no single well’s result can be assumed to represent any other well or household water supply precisely. Testing individual household water remains necessary to know the specific fluoride concentration at that location.
Belief: Fluoride Treatment Needs Can Be Estimated From Area Data Alone
Managing fluoride in home water requires considering household water usage compared to treatment system capacity. The regional data show concentration ranges but do not provide flow rates or household demand figures. To select effective equipment, water volume use per day and exact fluoride levels from a household’s water test must be known. This approach ensures the treatment matches actual daily fluoride removal needs rather than relying solely on regional concentration ranges.
Belief: Fluoride Levels Are the Same Regardless of Well Depth or Source
Sampling covered wells 222 to 409 feet deep, revealing variation in fluoride levels within this depth range. Shallower or deeper wells outside this sampled range may have different fluoride concentrations. Also, surface water or other source types can differ in fluoride content compared to groundwater. Therefore, source type and well depth influence what fluoride levels a household might encounter, and only specific testing of that source will confirm it.
Belief: The Documented Technology Completely Eliminates Fluoride Concerns
The C-Series Fluoride Filter system ships ready to configure and is designed to reduce fluoride concentrations effectively. It uses proven technology that binds and removes fluoride ions from water, helping households manage fluoride if their specific test shows levels they want addressed. While it aids in reducing fluoride, confirming individual water tests is essential to choose appropriate treatment capacity and verify performance.
Belief: Household Symptoms Can Confirm Fluoride Issues Without Testing
Symptoms such as taste changes or staining may sometimes be attributed to water constituents but are not reliable indicators of fluoride presence. Fluoride is typically odorless and tasteless at concentrations found in this area’s groundwater and does not cause visible water changes. Therefore, household symptoms alone cannot confirm fluoride levels; water testing is the only way to determine fluoride concentration and the need for treatment.
What the Area Data Does Not Establish: Bertie County groundwater sampling provides helpful regional fluoride concentration ranges but cannot substitute for testing individual household water. Detected fluoride levels in the area do not indicate a violation or unsafe condition by federal standards. Homeowners concerned about fluoride should test their water specifically and consider treatment options such as the C-Series Fluoride Filter system based on those results.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2022-08-29. 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 Fluoride in the 211CPFRU aquifer (Bertie County): 5 results from 3 wells, median 1.4 mg/L, range 0.17-2.78 mg/L; none above any federal threshold