Water drawn from Douglas County's aquifer 100VLFL comes from depths between 140 and 510 feet. This underground source supplies commercial operations with groundwater that has been studied extensively by the U.S. Geological Survey using 40 samples from three wells collected over 2010 to 2025. Understanding this regional water quality forms a basis for addressing dry skin concerns linked to mineral content.
How Commercial Water Softeners Address Mineral Content
The role of ion-exchange in reducing hardness minerals
Commercial water softeners like the Nelsen 1,200,000 Grain Mineral-Tank Commercial Water Softener use ion-exchange technology that replaces calcium and magnesium ions—minerals detected in Douglas County's groundwater—with sodium or potassium ions. This process alters the water's mineral profile, which can help alleviate dry skin symptoms associated with mineral content.
Sample Size and Well Data: What the Numbers Represent
Scope and limits of the 40 samples from three wells
The water data comes from 40 hardness measurements taken from three separate wells between 2010 and 2025. These wells vary in depth but all access the same aquifer. The median hardness level found was 6.305 mg/L, ranging widely from 5.6 to 192.0 mg/L. This reflects typical variation for this aquifer and does not measure any single well's water quality.
What a small sample set means for commercial users
While the data provides a solid reference for regional water mineral content, individual well testing is necessary for specific water management decisions because measured values vary widely across wells in the same aquifer.
Information to Document Before Treatment Decisions
Exact source and depth of your water supply
Knowing the exact well depth and source aquifer helps in correlating your water's characteristics with available regional data.
Detailed hardness and mineral analysis results
Obtain your own water hardness and mineral content reports since regional data cannot specify your water's condition.
Operational water usage and flow rates
Data on commercial water demand helps tailor treatment system sizing and capacity requirements.
Maintenance Rhythm of the Nelsen 1,200,000 Grain Mineral-Tank Commercial Water Softener
Regeneration cycles based on grain capacity
The Nelsen system’s 1,200,000-grain capacity supports consistent regeneration intervals adapted to commercial throughput, controlling mineral build-up that may contribute to dry skin effects.
Routine checkups to maintain peak performance
Periodic monitoring of salt levels and system function ensures continuous treatment effectiveness without interruptions.
Sources of Hardness in Douglas County Groundwater
Geological origin of calcium and magnesium
Calcium and magnesium enter the aquifer naturally by dissolving carbonate minerals in surrounding rock formations.
Minimal impact from surface contamination
Deep well sampling shows these hardness minerals primarily originate from geologic sources rather than surface pollutants.
Fixtures and Processes Most Immediately Affected
Commercial shower facilities and skin contact points
Areas where water contacts skin extensively, such as showers and wash stations, are most sensitive to changes in mineral content that can influence skin dryness.
Heat exchange systems and mineral scaling
Mineral deposits can accumulate in heating equipment, indirectly affecting water temperature consistency and water quality delivered to processes.
What Douglas County Water Data Does Not Establish
The regional groundwater data from aquifer 100VLFL does not determine the exact mineral concentration in your facility’s water supply. Detected levels reflect measurements in sampled wells only and are not health safety limits. To make informed treatment choices, you must have your own water analyzed by a qualified laboratory. Commercial water softeners, such as the Nelsen 1,200,000 Grain Mineral-Tank Commercial Water Softener, provide proven technology to address mineral-related dry skin issues once your water profile is confirmed.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2025-12-09. 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 100VLFL aquifer (Douglas County): 40 results from 3 wells, median 6.305 mg/L, range 5.6-192.0 mg/L; none above any federal threshold

