Differences Between Public-System Records and Private-Well Testing for Sensitive Skin
Data collected by the U.S. Geological Survey from wells in Coconino County’s aquifer 374MUAV shows consistent levels of water hardness measured as calcium and magnesium. These results reflect samples from deep wells ranging around 3,086 feet but represent only the aquifer area, not the water from any particular private well or residential tap.
Public system or aquifer records provide a general background on typical water quality in a region but cannot reveal specific water conditions at your home. Private well water can vary considerably due to depth, local geology, and well construction. For households experiencing sensitive skin, relying solely on area-level hardness data is insufficient to identify individual water issues that might affect skin reactions.
What Treated Water Feels Like With a Sensitive Skin-Focused Technology
Water treated with the C-Series Sensitive Skin & Eczema System undergoes a process designed to reduce the impact of hardness minerals such as calcium and magnesium, which are detected in this aquifer’s water samples. This system ships ready to configure and can help create softer-feeling water that is gentler on sensitive skin.
Unlike untreated water from local sources, water conditioned by this technology typically reduces mineral effects that can cause dryness and irritation. This may result in improved comfort during washing and bathing, addressing one common complaint among those with sensitive skin.
Understanding the Measured Hardness Range and Federal Standards in Coconino County
The median hardness level recorded in the sampled wells is approximately 218 mg/L, with values ranging between 204 and 238 mg/L. These concentrations are well below any federal threshold set for health-based standards, meaning that while hardness is present, it is not classified as unsafe by regulatory definitions.
This measurement does not indicate a violation or health risk but describes the mineral content that can affect water’s feel and interaction with skin. Awareness of these figures helps frame the degree of hardness in local water without implying any universal suitability or risk for sensitive skin conditions.
How the C-Series Technology Addresses Hardness Minerals in Water
The C-Series Sensitive Skin & Eczema System is engineered to target hardness minerals by removing or neutralizing calcium and magnesium ions responsible for water hardness. With a grain capacity of 32,000, it processes substantial volumes of water to reduce mineral content that may exacerbate skin sensitivity.
This reduction reduces water’s potential to contribute to dryness and irritation related to mineral deposits, supporting skin comfort for those prone to eczema or similar conditions. The technology offers a documented approach to modifying water quality specifically for sensitive skin needs.
Comparing Aquifer 374MUAV Water Quality to Neighboring Counties
While Coconino County’s aquifer shows a median hardness of 218 mg/L in the recorded samples, neighboring counties may have slightly different mineral profiles. However, these differences are regional and not predictive of individual household water quality.
Comparing these area-level data sets can provide perspective on regional water characteristics but should not lead to assumptions about your home’s water. Each well or tap water sample is unique and requires specific testing to understand its composition and possible effects on sensitive skin.
Symptoms Related to Water Hardness Versus Other Causes of Sensitive Skin
Water hardness can contribute to skin dryness, tightness, and irritation, which may worsen sensitive skin or eczema symptoms. However, skin sensitivity can also arise from numerous other environmental or biological factors unrelated to water quality.
If water hardness is a concern, symptoms often appear as a persistent feeling of dryness after washing or difficulty maintaining skin moisture. Other causes may require medical evaluation. Distinguishing water-related effects from other triggers is essential for effective management.
Recommended Water Testing to Clarify Sensitive Skin Causes
To determine if local water hardness impacts your household’s sensitive skin, the most informative step is to test your own water source for calcium and magnesium levels specifically. This targeted test will establish your water’s mineral content and clarify whether hardness is a contributing factor.
With this result, you can confidently assess the value of adopting a specialized water treatment system like the C-Series Sensitive Skin & Eczema System to modify your water and improve skin comfort.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2026-04-21. 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 374MUAV aquifer (Coconino County): 14 results from 1 wells, median 218.0 mg/L, range 204.0-238.0 mg/L; none above any federal threshold

