What 'Detected', 'Median', and 'Range' Mean in the Sampling Record on This Page
The U.S. Geological Survey collected ten hardness measurements from three wells in Cuming County's aquifer 112SDGVD, ranging in depth from 52 to 81 feet. All results detected hardness minerals, specifically calcium and magnesium, with concentrations between 293.0 and 516.0 mg/L. The median value of 341.5 mg/L represents the middle point in these measurements. This data represents area-level groundwater conditions, not an individual well's water quality. Detection indicates presence but does not imply any regulatory violation or health risk.
A Worked Example: Reading the Record's Median and Range as a Commercial Operator
When reviewing the median hardness of 341.5 mg/L, a commercial operator should understand this means half the sampled measurements were above and half below this level, within an observed range from 293.0 up to 516.0 mg/L. These numbers reflect the levels of calcium and magnesium dissolved in groundwater typical to this aquifer across Cuming County, impacting factors like scaling potential and water feel. Individual well tests are necessary to know specific water hardness at a facility, as area data only show expected conditions in the aquifer.
How the Documented Treatment Technology Removes or Neutralizes Hardness
Hardness in water primarily comes from dissolved calcium and magnesium ions. Commercial water treatment systems known as Commercial System Skids, including the 48 Steel Tanks - Single Unit Skid for Tr, address hardness by exchanging or removing these minerals to reduce scaling and improve water quality for commercial operations. These systems are designed to handle the scale and volume typical of commercial usage in areas like Cuming County, shipping ready to configure for on-site setup. By doing so, they prevent mineral buildup in pipes and equipment, extending lifecycle and maintaining operational efficiency.
Why Aesthetic Secondary Standards Differ from Health-Based Limits, Applied to Hardness
Hardness is governed by secondary standards that target aesthetic and operational effects such as taste, scaling, and staining rather than health risks. The federal guidelines referenced in the area data provide threshold levels primarily to minimize these nuisance factors rather than address safety concerns. None of the Cuming County measurements exceeded federal thresholds. This means the hardness levels found present no direct health violation but can influence water usability in commercial settings, necessitating treatment to prevent equipment damage or operational disruption.
How Public-System Records Differ from Private-Well Testing in What They Establish
Public groundwater records provide a snapshot of regional water quality based on multiple wells over time, useful for understanding general trends and planning treatment. However, they cannot substitute direct testing of a private well's water, which can vary significantly even within the same aquifer due to local geology and well construction. A commercial operator must perform specific water hardness testing at their site to determine exact treatment needs, as area data alone do not confirm individual water conditions or compliance.
What You Should NOT Conclude from Area Data
The hardness statistics from Cuming County's aquifer 112SDGVD represent measured conditions across several wells but do not define the hardness of any individual well or tap water. Detection of hardness minerals is expected and does not indicate a violation or unsafe water. Only site-specific testing will reveal precise water hardness, which is critical for selecting and configuring treatment equipment such as the 48 Steel Tanks - Single Unit Skid for Tr commercial system. Use area data as guidance, not as a substitute for your own water quality assessment.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2026-05-19. 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 112SDGVD aquifer (Cuming County): 10 results from 3 wells, median 341.5 mg/L, range 293.0-516.0 mg/L; none above any federal threshold