1. Recognizing Seasonal and Multi-Year Variation in Nickel Levels
The U.S. Geological Survey collected groundwater samples from six wells in York County's bedrock aquifer between August and October 2011. These six wells, ranging in depth from 104 to 365 feet, showed nickel detected in every sample with concentrations ranging from 0.1 to 0.66 micrograms per liter (ug/L). The median value was 0.255 ug/L. While these data provide a snapshot across several months and various locations, they do not capture potential fluctuations outside this timeframe. Seasonal factors like precipitation, groundwater flow, and temperature may influence nickel concentrations, but information beyond these months is not available from this data set.
2. Adjusting Expectations for Larger or Seasonal Residential Water Use
Households that are large, use water intermittently, or operate as seasonal properties may experience differences in water quality related to nickel and other heavy metals. Fluctuations in water demand can alter residence time in plumbing and water pressure, which sometimes affects how constituents behave in household water systems. Although the regional nickel data reflect natural aquifer levels, variations in household use patterns might influence whether nickel levels relative to demand are consistent or show short-term shifts.
3. Understanding How Nickel Enters Groundwater in York County's Bedrock Aquifer
Nickel found in groundwater here originates primarily from natural geological sources in the bedrock. Weathering and leaching of bedrock minerals release trace amounts of nickel into the aquifer. These processes vary with local geology and groundwater movement but do not indicate contamination or health-based violations. Nickel concentrations measured remain well below federal health thresholds, reflecting typical background levels expected in bedrock groundwater environments.
4. Removing Nickel from Household Water with Dedicated Treatment
To address concerns about heavy metals like nickel, specialized filtration systems are available that reduce or remove these constituents. The Fleck Heavy Metals Filter employs technology designed for residential water treatment. It conditions water by capturing or neutralizing nickel and similar elements while maintaining water quality. This system ships ready to configure for connection and use, providing a practical solution for households seeking to lower heavy metals in their water supply based on their own testing.
5. Considering Well Depth and Water Source Type in Nickel Variation
The sampled wells in York County vary from 104 to 365 feet deep within the bedrock aquifer, showing a range of nickel concentrations. Typically, well depth can influence constituent levels due to differences in rock layers and groundwater flow paths. Deeper wells may access older, less-reactive water with different nickel concentrations than shallower wells. Knowing well depth and source type is important for interpreting water test results and planning treatment tailored to the household’s specific conditions.
Conclusion: If your household water test shows nickel levels of concern, the Fleck Heavy Metals Filter offers a proven option for reducing nickel and similar heavy metals. This system accommodates residential water demands and helps ensure water quality aligns with your household’s needs. Testing your well water directly is essential to determine the exact nickel concentration present and decide on appropriate treatment measures.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2011-10-25. 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 Nickel in the BEDROCK aquifer (York County): 6 results from 6 wells, median 0.255 ug/L, range 0.1-0.66 ug/L; none above any federal threshold
- ✓ 90-Day Money-BackNo restocking fees — return within 90 days.
- ✓ Manufacturer WarrantyGenuine Fleck · Pentair · VIQUA equipment.
- ✓ Free Expert SizingTalk to a specialist and buy the right system the first time.

