Comparing Marion County's Hardness Data With Adjacent Areas
Avoid drawing specific conclusions about your own water from regional data
The hardness measurements available for Marion County reflect groundwater from the S100SURFCL aquifer sampled from multiple wells between 2010 and 2010. These area-wide tests provide an overview rather than identifying exact hardness levels in any one well, including yours.
Regional differences do not predict individual well conditions
Although neighboring counties may report different hardness ranges, your water profile depends on the local geology and depth of your well, so direct comparisons can be misleading.
Interpreting 'Detected,' 'Median,' and 'Range' in the Hardness Record
The term 'detected' indicates presence but not exceedance
All hardness samples in Marion County detected calcium and magnesium contributing to hardness levels, but none surpassed federal health thresholds. Detection confirms measurement but does not imply a problem.
Median and range describe concentration spread over multiple wells
The median hardness of 40.55 mg/L represents the middle value among samples, while the range from 9.15 to 85.3 mg/L shows variability in water hardness across sampled wells. These values are not individual well guarantees.
Certified Laboratory Testing and Reading Results
A certified lab test identifies exact hardness for your water source
Unlike regional data, a laboratory test on your water sample provides specific calcium and magnesium levels that define its hardness precisely for your site’s water.
Understanding the meaning of lab results for hardness
Lab reports will give hardness in mg/L or grains per gallon, which can be compared to standards for equipment compatibility. This data informs appropriate treatment technology choices based on your actual water.
Sample Size, Wells, and Data Reliability
Twenty samples from five wells provide an area overview
The Marion County dataset is based on 20 samples collected from five wells within the aquifer over a period of several months. This number supports general conclusions about the aquifer but not specific local variations.
Small sample size limits granularity of water quality insight
With samples from shallower wells between 2 and 31 feet deep, deeper or isolated wells may have different hardness profiles, meaning additional localized testing is necessary for precise assessments.
Questions Commercial and Industrial Operators Should Add
Daily water usage impacts required treatment system sizing
Industrial water demand is usually higher than household, necessitating equipment rated for capacity and flow rates consistent with your operational volume.
Water hardness affects equipment durability and process efficiency
Hardness causes scale buildup that can reduce heat exchange efficiency and cause downtime. Knowing precise hardness helps evaluate commercial water softener specifications for effective mitigation.
Final Recommendation: To determine the precise hardness profile affecting your industrial system, obtain a certified laboratory analysis of your water sample to measure calcium and magnesium concentrations. Such results will confirm if the Nelsen 120,000 Grain Mineral-Tank Commercial Water Softener matches your capacity and treatment needs.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2010-08-04. 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 S100SURFCL aquifer (Marion County): 20 results from 5 wells, median 40.55 mg/L, range 9.15-85.3 mg/L; none above any federal threshold