Pentair Arsenic Filter

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How Seasonal or Multi-Year Variation Shows in the Record

Sampling Dates Span Over Seven Years

The U.S. Geological Survey collected arsenic samples from 10 wells in De Witt County’s aquifer 110QRNR between May 2011 and August 2018, showing how levels changed over multiple years.

Range of Arsenic Concentrations Observed

Across these samples, arsenic concentrations ranged from 6.5 to 49.2 micrograms per liter, demonstrating variation but always remaining below federal maximum contaminant levels.

Consistent Detection in All Samples

Arsenic was detected in every measured sample, indicating its persistent presence in the aquifer, though detection itself is not a health or safety violation.

Which Fixtures, Appliances, or Processes Are Affected First and Why

Water-Using Appliances Are Exposed First

Devices like coffee makers, ice machines, and humidifiers that handle untreated water directly may show effects from arsenic presence sooner due to buildup or taste impact.

Fixtures with Prolonged Contact Highlight Issues

Showerheads or faucets with aerators that remain in constant contact with water can manifest deposits or corrosion influenced by arsenic and related minerals.

How the Treated Water Differs at the Tap Once the Documented Technology Is in Place

Reduction of Arsenic Concentrations

Using the Pentair Arsenic Filter system significantly lowers arsenic levels in water delivered to taps, helping address the range detected in De Witt County.

Maintaining Water Quality for Daily Use

Treated water supports household uses without the concerns linked to untreated aquifer water, improving taste and reducing potential staining without changing water source characteristics.

How Many Samples and Wells Stand Behind the Figures, and What a Small Sample Means

Eleven Samples From Ten Wells Inform the Dataset

The arsenic data is based on 11 individual samples collected from 10 separate wells with depths between 234 and 365 feet, providing a snapshot rather than a comprehensive profile.

Limitations of Small Sample Size

This sample size reflects measured arsenic levels over several years but cannot represent every well or household condition within De Witt County’s aquifer.

What Questions a Commercial or Industrial Operator Adds That a Household Does Not

Volume and Process Integration Concerns

Commercial operators would consider daily water volume demands and process sensitivity to arsenic differently than residential users due to scale and regulatory factors.

Regulatory Compliance and Reporting

Businesses might need to document water treatment efficacy and maintain formal compliance records, unlike residential households focused primarily on water quality for personal use.

What the Measured Range Means Against the Relevant Federal Standard, and What It Does Not Mean

Levels Are Below the Federal Arsenic Standard

None of the sampled arsenic concentrations in the aquifer exceeded the federal limit, clarifying that detections alone do not imply regulatory violations or health risks.

The Range Does Not Define Your Well’s Condition

The area data provides context but cannot establish your household's specific arsenic level; only a direct water test on your own supply can do that.

Conclusion

Data from De Witt County’s aquifer 110QRNR shows arsenic presence with variation over years and wells but stays below federal maximum limits. This information helps households understand what to expect generally in the region. However, it should not be taken as a proxy for any single home's water quality. Testing your water is the only way to know the exact arsenic concentration at your tap. For those looking to reduce arsenic detected in their water, the Pentair Arsenic Filter system ships ready to configure and offers a documented solution to lower arsenic levels effectively.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2018-08-01. 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 110QRNR aquifer (De Witt County): 11 results from 10 wells, median 27.8 ug/L, range 6.5-49.2 ug/L; none above any federal threshold