Manganese Presence in Sussex County NJ Wells and What It Means for Households
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Fleck Black Manganese Stains Filter
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If You Know the Data Comes From Multiple Wells Sampled in Sussex County’s Aquifer 112SFDF
Government data from the U.S. Geological Survey collected between 2011 and 2025 provides a relevant picture of manganese levels in groundwater drawn from six separate wells within Sussex County’s aquifer 112SFDF. These wells, located between 14 and 38 feet deep, yielded 24 individual manganese results.
The manganese concentration measured ranged from 0.14 to 5.41 micrograms per liter, with a median value of 1.025 micrograms per liter. Of these samples, manganese was detected in 16 results and below reporting limits in eight. None of the measured concentrations in this data set came close to or exceeded any federal manganese threshold.
If You Want to Understand How Sussex County’s Manganese Data Compares With Nearby Areas
Sussex County’s aquifer results can serve as a regional baseline rather than an individual well profile. Neighboring counties may show differing manganese ranges, but such differences reflect variations in local geology and well depths rather than household water quality.
Comparisons should be made cautiously; detecting manganese in regional samples does not imply that every local well shares the same manganese concentration. Similarly, variations across counties do not indicate safety or quality issues unless confirmed by direct testing of a home’s water supply.
If You Have Conducted a Certified Laboratory Test of Your Water for Manganese
A certified lab report will provide your household’s manganese concentration, expressed in micrograms per liter or milligrams per liter. It is important to understand that detection alone is not a health violation. Rather, manganese presence affects aesthetic attributes such as staining or discoloration.
The lab report will distinguish between results above or below detection limits and may include notes on how the concentration compares with federal secondary standards for taste and staining. Knowing your precise manganese level guides treatment decisions more effectively than regional data alone.
If You Notice Manganese Stains or Discoloration on Fixtures, Appliances, or Laundry
Manganese typically shows up first as black or dark brown stains on plumbing fixtures, sinks, tubs, or appliances that use water directly. Laundry or dishware stained with black specks or discoloration is another common sign.
These aesthetic impacts occur even at low manganese concentrations, making visible clues useful indicators of the need for treatment or equipment evaluation. If your current water equipment fails to address manganese stains effectively, replacement with specialized treatment technology may be necessary.
If You Wonder Where Manganese in Groundwater Originates in Sussex County
Manganese in groundwater comes from natural leaching of manganese-bearing minerals in the local geology of Sussex County’s aquifer 112SFDF. This regional source leads to low-level manganese presence commonly detected in wells across the area.
Human activity is not a primary contributor here. The levels measured do not reflect contamination but natural mineral content influenced by soil and rock composition and groundwater movement.
Understanding this origin clarifies why manganese is a persistent but typically low-level constituent in the local water supply.
When existing water treatment equipment fails to prevent manganese staining or discoloration, the Autotrol Black Manganese Stains Filter is a documented solution designed to address manganese effects for residential households. It ships ready to configure and can help restore water clarity and protect fixtures based on the manganese demand measured in your water.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2025-07-23. 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 Manganese in the 112SFDF aquifer (Sussex County): 24 results from 6 wells, median 1.025 ug/L, range 0.14-5.41 ug/L; none above any federal threshold