1. Groundwater Sampling: What the Numbers Mean for New Castle County
The U.S. Geological Survey collected water samples from seven different wells in the New Castle County aquifer 217PTMC between August 2010 and October 2014. These wells ranged in depth from 69 to 737 feet. The median concentration of calcium and magnesium, elements contributing to water characteristics often linked to skin effects, was 62.3 mg/L with a range from 10.5 mg/L to 432.0 mg/L. All samples showed detectable levels; none were below the reporting limit. However, none of these measurements exceeded federal health-based thresholds. This limited set of data represents a regional snapshot and is not a specific test of any individual commercial water source.
2. Recognizing Facility Indicators: Symptoms Associable and Those That Are Not
Not all dry skin reported in commercial operations can be attributed to regional water characteristics. Symptoms consistent with water-related causes often include persistent dryness observed in staff following routine water contact. However, dry skin can also arise from environmental, chemical, or personal health factors unrelated to water supply. To consider water a factor, look for patterns linked to water use intensity and compare to seasonal or operational changes.
3. Identifying Impacted Fixtures and Commercial Processes
Water contact points such as employee hand-washing sinks, dishwashing stations, and other frequently used water fixtures often show early signs of effects that contribute to dry skin conditions. These areas experience the highest throughput between service events and thus reflect water quality most readily. Other processes that involve extended water exposure can also be relevant. Observing these areas can help focus water quality management efforts.
4. Differentiating Aesthetic Standards from Health-Based Limits
The regional water samples show concentrations of calcium and magnesium that affect water hardness, a secondary aesthetic standard related to taste and feel but not a health limit. Exceeding aesthetic guidelines does not equate to unsafe or non-compliant water but may influence skin moisture and texture. This distinction reassures that regulatory measures focus on health safety, while aesthetic concerns address comfort and operational impact.
5. Considering Depth and Source Variability in Water Profiles
Wells sampled in New Castle County vary widely in depth, affecting water composition and hardness levels. Deeper wells may yield different water characteristics than shallower sources. These variations mean commercial operators should not assume uniform water quality across their facility without testing their specific water source. Understanding this variability is critical for managing dry skin issues related to water exposure.
6. Long-Term Effects of Unaddressed Water Quality on Dry Skin
Over multiple years, continued exposure to untreated water with elevated calcium and magnesium levels can sustain or exacerbate dry skin conditions. While not a health risk threshold, persistent contact with harder water may increase skin dryness and discomfort among staff, impacting workplace wellbeing and productivity. Addressing water quality proactively supports better operational conditions.
What Not to Conclude from Regional Data
Although the USGS data provides valuable regional water quality insights, it does not specify conditions in any individual commercial water source. No single value from the area samples should be assumed for your facility. Testing your own water supply is necessary to accurately determine your water's hardness and its relevance to dry skin issues.
Addressing Water Hardness in Commercial Settings
Commercial water softening equipment such as the Nelsen 1,200,000 Grain Skid-Mounted Commercial Water Softener ships ready to configure for high-throughput operations. Its capacity is designed to handle significant volumes between service intervals, making it suitable for commercial facilities impacted by water characteristics that may contribute to dry skin. Using such technology tailored to your water profile can help mitigate the problem effectively.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2014-10-14. 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 217PTMC aquifer (New Castle County): 7 results from 7 wells, median 62.3 mg/L, range 10.5-432.0 mg/L; none above any federal threshold