Common Belief: Secondary Aesthetic Standards Indicate Health Risk for Sensitive Skin
Many assume that water hardness or related mineral content in Marion County’s aquifer might be a health concern directly causing sensitive skin. The U.S. Geological Survey sampled five wells drawing from aquifer S100SURFCL between January and August 2010, measuring calcium and magnesium hardness. These minerals were detected in all samples with a median concentration of 40.55 mg/L and a range from 9.15 to 85.3 mg/L.
It is important to clarify that none of these measurements exceeded federal health-based thresholds. The reported levels are well within regulatory safety limits, indicating no chemical violation or direct health hazard as per government records. Secondary standards for things like taste or staining differ from health limits and do not represent a cause of skin irritation by themselves.
Common Belief: After Treatment, Water is Significantly Softer and Skin Irritation Stops
The Fleck Sensitive Skin & Eczema System utilizes advanced water treatment technology designed to address minerals related to hardness, with a capacity of up to 32,000 grains. When configured in a household setting, it conditions the water at the tap by reducing calcium and magnesium concentrations that contribute to hardness.
This adjustment can create water that feels smoother and may reduce irritation for individuals with sensitive skin, although the system does not change other water quality parameters. The treated water’s softened characteristics can improve how soaps and lotions interact with skin, potentially easing symptoms associated with mineral-rich water exposure.
Common Belief: Hardness Constituents Originate from Surface or Industrial Contamination
In Marion County, the calcium and magnesium measured in the S100SURFCL aquifer traces back naturally to geological formations rather than industrial contamination. The sampled wells were relatively shallow, between 2 and 31 feet deep, reflecting groundwater that filters through mineral-rich soils and bedrock.
This natural mineral presence differs from surface pollutants or man-made chemicals. Understanding the natural origin helps homeowners recognize that hardness is a common and expected feature of the area's water supply, not an unexpected pollutant.
Common Belief: Treatment Technologies Remove Hardness by Chemical Neutralization
The Fleck Sensitive Skin & Eczema System operates primarily through ion-exchange technology. It replaces hardness-causing calcium and magnesium ions with sodium or potassium ions. This process does not chemically neutralize the constituents but instead transforms the water's ion composition to create a softer water profile.
This mechanism effectively lowers hardness levels, which can influence how water feels on the skin. The system ships ready to configure, allowing households to apply it directly to their water supply setup without additional specialist services.
Common Belief: Symptoms Like Itching or Rashes Are Always Related to Water Hardness
While mineral content such as hardness has been linked to skin feel and sometimes irritation, not all skin symptoms correlate directly to water quality. Itching and rashes may arise from various causes including environmental allergens, soap types, or dermatological conditions unrelated to water.
Testing your household water specifically for calcium and magnesium concentrations can clarify if hardness may be a contributing factor. The local government data provide useful context but cannot define your own water’s exact composition or link it conclusively to personal skin conditions.
In summary, Marion County’s aquifer water contains calcium and magnesium within typical ranges that do not surpass federal health standards. The Fleck Sensitive Skin & Eczema System offers a documented approach to reduce hardness ions that may improve water feel and comfort for sensitive skin. Homeowners are encouraged to test their own water to determine whether this solution aligns with their specific needs.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2010-08-04. 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 Hardness, Ca, Mg in the S100SURFCL aquifer (Marion County): 20 results from 5 wells, median 40.55 mg/L, range 9.15-85.3 mg/L; none above any federal threshold

