How Sample Depth and Source Affect Water Characteristics Relevant to Sensitive Skin
Water quality observations from San Juan County’s aquifer 110AVMB come from nine wells sampled between 2010 and 2025. The wells are relatively shallow, ranging from 35 to 68 feet deep. This depth typically reflects water that can be influenced by surface conditions but also interacts with geologic formations impacting its dissolved content. For households relying on groundwater from this aquifer, these samples offer area-wide insights but do not replace a direct test of the home’s specific water source. Especially for sensitive skin issues, knowing the unique water profile at the tap is essential, as surface or plumbing factors might also contribute.
Interpreting San Juan County Groundwater Data: Median and Range Explained
The U.S. Geological Survey reported a median concentration of 1190 mg/L of calcium and magnesium combined in this aquifer’s water samples, with individual well samples ranging from 644 to 1750 mg/L. These figures represent the middle and spread of measurements among all samples taken, indicating how much dissolved calcium and magnesium was commonly detected. Homeowners noticing skin sensitivity can consider this range as a regional backdrop—not necessarily their own water content but what neighbors might experience.
Understanding 'Detected,' 'Median,' and 'Range' in Water Sampling Results
In this data set, calcium and magnesium were detected in every sample, meaning these minerals are consistently present in the aquifer water. “Median” identifies the middle value when all sample concentrations are arranged in order, giving a typical baseline measurement in this area. The “range” shows minimum and maximum values, illustrating variability even within a local source. Detection simply means measuring the constituent; it is not a health violation. Furthermore, none of the samples exceeded any federal thresholds, confirming the concentrations fall within regulatory allowances and do not indicate safety concerns.
What a Certified Laboratory Test for Water Calcium and Magnesium Reports
A certified laboratory report on a homeowner’s water will list specific calcium and magnesium concentrations, often expressed in milligrams per liter (mg/L). This report may compare these readings to recommended secondary standards that relate to water's aesthetics or effects such as water hardness. Because sensitive skin can react to mineral content, understanding these specific concentrations is crucial. Only a laboratory analysis of the home’s water can clarify whether local water contributes to irritation or if other factors might be responsible.
How Water Changes at the Tap with the C-Series Sensitive Skin & Eczema System
The C-Series Sensitive Skin & Eczema System is designed to address water mineral content that can affect skin comfort. It ships ready to configure and has a grain capacity of 32,000, enabling effective treatment of calcium and magnesium levels commonly found in this aquifer. Once operational, this system reduces mineral concentrations, resulting in water that is gentler on sensitive skin when washing or bathing. It complements personal skin care by reducing water-related irritation without altering water safety or essential qualities.
In summary, groundwater data for San Juan County’s aquifer 110AVMB shows a consistent presence of calcium and magnesium within regulatory limits. Homeowners concerned about sensitive skin should have their water tested to understand personal exposure. The C-Series Sensitive Skin & Eczema System offers a documented option to modify water characteristics and support skin comfort in residential settings.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2025-09-19. 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 110AVMB aquifer (San Juan County): 229 results from 9 wells, median 1190.0 mg/L, range 644.0-1750.0 mg/L; none above any federal threshold