What Do Gloucester County’s Water Hardness Test Results Show?
Government testing of groundwater in Gloucester County’s aquifer 121CKKD includes 69 hardness measurements taken from 36 wells between 2010 and 2024. These wells vary in depth from 14 to 162 feet. Hardness is reported as milligrams per liter (mg/L) measuring calcium and magnesium, minerals linked to spotting on dishes. Every one of these samples detected hardness, with values ranging from 5.94 to 187.0 mg/L, and a median value of 36.8 mg/L. Because this data represents area samples, not individual household water, it cannot specify your well’s exact hardness but provides a background for what is typical in the region.
If Your Glassware Shows Spots, How Can Treatment Help?
When hardness is present, minerals can leave spots or a cloudy film on glassware and dishes after washing. The C-Series Spotty Dishes & Glassware System is designed specifically to address these minerals that cause spotting. It conditions the water using technology that reduces the presence of calcium and magnesium ions responsible for residue, helping your dishes dry clear and spot-free. This system ships ready to configure with home plumbing, enabling targeted water conditioning without the complexity of professional setup.
If You Wonder How This Differs from Other Spotting Causes
Spotting on dishes can result from multiple sources. Hardness minerals create spots by precipitating during drying, but detergent residue or rinsing water quality may also cause film or streaks. Unlike detergent residue, which may wash away with proper use, mineral spots require water treatment because they involve dissolved solids depositing on surfaces. The C-Series System is tailored to address mineral-caused spots rather than cleaning or detergent issues, so identifying the cause correctly is important.
How to Interpret Gloucester County’s Median and Range of Hardness as a Homeowner
The median sample hardness of 36.8 mg/L indicates that half the tested wells had hardness levels below this value and half above, showing moderate levels of calcium and magnesium minerals in local groundwater. The range extending up to 187.0 mg/L suggests some variation in mineral content across the county. If your dishes develop spots, your hardness may be toward the higher end of this regional range. However, your own water could differ, so testing your household water’s hardness is the best way to understand your specific condition.
What Does Gloucester County’s Hardness Data Mean Compared to Federal Standards?
None of the samples tested in this area exceeded federal limits for water hardness. It is important to note that hardness itself is not a health risk but affects aesthetics such as spotting and scale. Federal water quality standards do not classify hardness as unsafe, rather as a factor influencing taste or appliance operation. The range and median values here provide perspective on what can be expected but do not imply a violation or safety problem.
What You Should Not Assume from These Regional Water Hardness Figures
These government measurements describe water hardness in area wells, not your household supply. Your well’s mineral content could be lower or higher depending on location, depth, and other factors. Detection of hardness is normal and not a health concern, nor does it necessarily mean your dishes will spot. The only way to know your water’s hardness is through a direct test of your water supply. The data here helps you decide if testing and targeted conditioning with the C-Series System might improve your dish clarity.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2024-07-15. 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 121CKKD aquifer (Gloucester County): 69 results from 36 wells, median 36.8 mg/L, range 5.94-187.0 mg/L; none above any federal threshold

