Fleck Arsenic Filter

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Interpreting Median and Range for a Marshall County Homeowner

Government sampling in Marshall County's aquifer 124TLLT shows arsenic detected in half the samples, with a median level of 0.03 micrograms per liter (ug/L) and a range from 0.02 to 0.07 ug/L. These numbers come from six measurements taken from three wells between 2011 and 2022, at depths from 33 to 38 feet. While arsenic presence is indicated, none of these results exceed federal arsenic limits for drinking water. This data reflects the sampled wells in the area, not the arsenic concentration of any individual household's water. To determine the exact arsenic level in your home's water, a direct test of your well or supply is needed.

Sample Size and Its Implications for Local Arsenic Data

It’s important to note that the data set includes just six samples from three wells over more than a decade. Such a small sample size limits how representative these figures can be for the entire aquifer or all homes relying on it. Variations in local geology, well depth, and well construction can cause arsenic levels to differ significantly from the area median or range. Thus, while the government data provides useful context about the area’s groundwater, it should not be taken as a definitive statement about your home's water quality.

Assessing Your Household’s Treatment Capacity Needs

When considering arsenic treatment, your household’s daily water use affects how much treated water capacity is required. Filtering systems designed for arsenic removal work continuously or batch-process water, depending on their size and technology. Knowing the number of people in your home and typical daily consumption helps ensure the chosen system will meet your demand without frequent servicing or water shortages. The documented Fleck Arsenic Filter ships ready to configure for residential use and has capacity appropriate for typical household consumption.

Effect of Arsenic Removal on Water at Your Tap

Once arsenic treatment technology like the Fleck System is in place, the water delivered to faucets and appliances should consistently show significantly reduced arsenic levels. This results in improved water quality relative to untreated supplies, addressing aesthetic and potential health concerns related to arsenic exposure. The treated water quality depends on routine monitoring and system operation but is distinct from the raw water drawn from the aquifer, which can vary.

How Plumbing Factors Influence Water Quality Beyond Source Water

While arsenic primarily originates from groundwater sources, the condition and type of your home's plumbing also affect final water quality. Older pipes or certain materials can interact with water chemistry, potentially altering taste or introducing other elements. These plumbing factors are separate from aquifer chemistry and arsenic presence but contribute to overall water quality at the tap.

The Key Test to Confirm Your Household's Arsenic Level

The essential step to resolving questions about arsenic in your water is to order a certified laboratory test of a water sample from your own tap or well. This test will determine your home's actual arsenic concentration, independent of area sampling or estimates. If the results show arsenic above a level you wish to address, equipment like the Fleck Arsenic Filter can provide effective treatment tailored to your household’s water demand.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2022-06-02. 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 Arsenic in the 124TLLT aquifer (Marshall County): 6 results from 3 wells, median 0.03 ug/L, range 0.02-0.07 ug/L; none above any federal threshold