Water in Cumberland County, New Jersey, often comes from the local aquifer designated 121CKKD. This underground source feeds private wells and public water supplies differently, delivering water through various paths before reaching your home's taps. Understanding regional data on water quality can help clarify why your water might have a metallic taste but cannot replace a specific water test from your own source.

Reading the Median and Range of Iron Concentrations Locally

The U.S. Geological Survey sampled 49 wells from 2010 through 2024 in Cumberland County’s 121CKKD aquifer. Among 102 total measurements, iron was detected in 82 samples, with concentrations ranging from 3.5 to 317,000 micrograms per liter (ug/L). The median iron value was 1,640 ug/L. These figures are regional findings, illustrating typical iron presence across wells from 11 to 181 feet deep. No federal health thresholds were exceeded in these results, but iron at certain levels can influence water taste.

If You Confuse Regional Sampling With Your Own Well Test

This public dataset reflects what was found in selected wells across the area, not your specific well or municipal system. Regional measures illustrate possible ranges and medians but do not establish your household water’s exact iron level or taste characteristics. Only a certified water test of your tap water can determine your actual condition. Without this, conclusions based solely on area data may be misleading.

If You Wonder How Well or Sample Depth Affects What You Should Expect

Wells sampled in this dataset varied significantly in depth—from shallow to nearly 200 feet. Deeper wells often interact with different rock formations, potentially changing iron levels and related metallic taste perceptions. The nature of your water source—private well, public supply, or a combination—also influences what you might detect at home. Considering these factors helps to understand why metallic taste varies even within a common aquifer.

If You Are Reading a Certified Laboratory Test for Iron in Your Water

A certified lab report will show iron concentration in micrograms per liter or milligrams per liter. These results give you your water’s precise iron level, unlike regional averages. Laboratory methods distinguish dissolved versus particulate iron, indicating if the metallic taste might come from rust particles or iron ions. Understanding these details is key for choosing an appropriate treatment method.

If You Notice Metallic Taste Affecting Specific Fixtures or Processes First

• Cold water from kitchen taps often shows metallic taste before hot water.
• Ice makers and coffee machines can reveal taste changes clearly.
• Metallic taste may become noticeable during water use for drinking or cooking rather than bathing.
• Fixtures with aerators may trap iron particles affecting taste.

These observations can help identify where the issue manifests first, aiding in pinpointing treatment priorities.

If You Leave Metallic Taste Untreated Over Years

Persisting iron in water primarily influences taste and can cause staining on fixtures and laundry. Although not a health hazard below federal limits, untreated iron accumulation may lead to corrosion in plumbing, reducing appliance longevity and increasing maintenance. Addressing metallic taste proactively can enhance water enjoyment and protect household systems.

The iron data referenced originates from 102 samples collected from 49 wells in Cumberland County’s 121CKKD aquifer between 2010 and 2024, as reported by the U.S. Geological Survey. This information helps frame potential causes of metallic taste but does not substitute for personal water testing. For reducing metallic taste at the tap, the C-Series Metallic-Tasting Water Filter ships ready to configure as a specialized solution designed to reduce iron-related taste issues in residential water supplies.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2024-08-13. 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 Iron in the 121CKKD aquifer (Cumberland County): 102 results from 49 wells, median 1640.0 ug/L, range 3.5-317000.0 ug/L; none above any federal threshold