When turning on a faucet in McKinley County, New Mexico, some homes may notice water that can leave skin feeling dry or tight after use. This sensation can be linked to characteristics of the water drawn from local wells, but understanding the cause involves more than feeling alone.
How many samples and wells stand behind the figures, and what a small sample means
The local water data comes from seven separate wells in aquifer 211GLLP, sampled between May 2019 and April 2021. These wells ranged in depth from 1,150 to 2,912 feet, providing a limited but scientifically gathered snapshot of groundwater in the area. While seven samples offer useful insight, they represent a small data set and cannot fully reflect every household's water supply.
What 'detected', 'median' and 'range' mean in the sampling record on this page
The hardness measurements for McKinley County showed calcium and magnesium concentrations detected in all seven wells, with values ranging from 5.26 to 119.0 mg/L. The median value was 24.3 mg/L. 'Detected' means instruments measured these minerals; it does not imply a violation or unsafe condition. 'Median' identifies the middle value among samples, and 'range' shows the lowest and highest results measured across the sampled wells.
The household or facility symptoms that do and do not point to this problem
Symptoms like dry, itchy skin after showering or bathing can be associated with water containing minerals that affect skin moisture retention. However, dryness can also come from factors unrelated to water, such as indoor heating, environmental dryness, or personal skin conditions. Not every case of dry skin indicates an issue with local water mineral content.
What happens when this problem is left untreated for years, stated without exaggeration
If dryness linked to mineral content in water remains unaddressed, skin discomfort may continue or worsen, potentially leading to irritation. This ongoing effect may cause increased use of moisturizers or alter bathing habits. There is no direct health risk reported from these water mineral levels, but persistent skin dryness can reduce comfort.
A worked example: reading the record's median and range as a homeowner would
Suppose a homeowner compares their water feel to the recorded range of hardness values. A median hardness of 24.3 mg/L suggests average mineral content detected in this aquifer. Variation up to 119.0 mg/L exists across wells, meaning some homes may experience harder water contributing more noticeably to dry skin, while others might find mineral impact much milder.
How to compare this area's record with a neighbouring county's without overreading it
Comparing McKinley County data with nearby counties requires attention to how many samples were taken, well depths, and sampling dates. Different areas may have varying mineral content due to geology. A higher median or maximum hardness elsewhere does not necessarily mean one water source is universally better or worse—just different in composition affecting personal experience.
For households experiencing dry skin and suspecting water mineral content as a factor, the key step is testing the specific water supply. A water hardness test from a certified laboratory will identify actual mineral levels in the household's well or municipal source. This confirms whether water minerals align with local data or suggest additional treatment might help.
The Fleck Dry, Itchy Skin System ships ready to configure and can address mineral content contributing to skin dryness when test results show elevated levels. Ordering a hardness test is the best way to settle whether this treatment is a suitable option for your household’s comfort in McKinley County.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2021-04-26. 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 211GLLP aquifer (McKinley County): 7 results from 7 wells, median 24.3 mg/L, range 5.26-119.0 mg/L; none above any federal threshold
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