Understanding Local Water Hardness Levels in Relation to Federal Guidelines

Measured Range and What It Indicates

Government sampling from three wells in the Sampson County aquifer 211CPFRU found calcium and magnesium hardness ranging from 5.34 to 96.4 mg/L, with a median of 48.4 mg/L. None of these samples exceeded federal standards, meaning the water hardness detected is within accepted limits and is not considered a health hazard.

What the Range Does Not Reveal

The range describes measurements in this specific aquifer area, not the reader’s individual water. It cannot establish whether a household’s water causes skin issues without individual testing.

How Household Characteristics Influence Water Quality Effects

Impact of Larger Households on Water Exposure

Homes with many residents may use more water daily, exposing skin to a greater volume with the same hardness range. This can increase the feeling of skin sensitivity without the water quality itself changing.

Considerations for Second or Seasonal Homes

Properties used periodically may experience differences in water quality due to variability in local aquifer conditions and usage patterns. This can affect skin response when water sits or flows after periods of inactivity.

Interpreting Sampling Record Terms in Your Area

Meaning of "Detected" in Water Analysis

Detection signifies that hardness was measured in all samples; it does not indicate a problem or contamination.

Median and Range Explained

The median value (48.4 mg/L) represents the middle measurement, while the range shows the lowest and highest levels recorded across multiple wells and times, demonstrating natural variability in the aquifer.

Recognizing Seasonal and Multi-Year Trends in Local Water Data

Range of Sampling Dates

The data spans from September 2013 to August 2022, showing consistent detection of hardness over nearly a decade.

What Variation Implies for Sensitive Skin

Seasonal shifts or environmental changes over the years may subtly affect water composition, potentially altering skin reactions without representing a regulatory exceedance.

Preparing for Treatment Guidance on Sensitive Skin and Water

Information to Document Before Seeking Advice

• Record your household size and water usage patterns.
• Note whether your property is a primary residence or seasonal home.
• Collect any recent water test results from your own supply.
• Describe specific skin symptoms and when they occur relative to water use.

Decisive Testing to Confirm Water’s Role

Ordering a water hardness test for your own well or supply is the essential step. Results indicating elevated calcium and magnesium beyond typical local ranges would clarify the need for solutions like the C-Series Sensitive Skin & Eczema System, which ships ready to configure with a 32,000 grain capacity to address these minerals while supporting sensitive skin.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2022-08-03. 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 211CPFRU aquifer (Sampson County): 6 results from 3 wells, median 48.4 mg/L, range 5.34-96.4 mg/L; none above any federal threshold