Fleck Arsenic Filter

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Interpreting Area Water Data for Your Household

Government sampling from Shelby County's 100ALVM aquifer provides insights into arsenic concentrations in local groundwater, but these results reflect area-wide conditions rather than any single well or household source. While arsenic was detected in all samples, concentrations ranged from 0.51 to 5.4 micrograms per liter (ug/L) and stayed below federal health-based limits. To determine arsenic levels in your home's water, testing of your specific water source is necessary.

Understanding Aesthetic Versus Health-Based Standards for Arsenic

Arsenic Detection Does Not Equal Health Risk

Arsenic in water is regulated with health-based maximum contaminant levels (MCLs) that safeguard long-term health. The federal MCL for arsenic is set to ensure safety and prevent adverse health outcomes. The sampled wells in Shelby County consistently fell below this MCL. Secondary standards, unlike these health-based rules, address aesthetic factors such as taste or staining but are not health limits and do not indicate safety concerns.

Why Monitoring Concentrations Matter

Because arsenic is a naturally occurring element that can enter groundwater through rock formations, low-level detections are common in many aquifers without necessarily presenting a health hazard. The data for Shelby County’s 100ALVM aquifer shows measurable but compliant arsenic levels across multiple wells.

Commercial and Industrial Operator Concerns Differ From Household Interests

Additional Testing and Regulations

Unlike residences, commercial or industrial water users may face stricter regulatory standards or require additional analyses based on water use type and volume. These concerns go beyond typical household water quality evaluations, considering factors like process water purity and discharge regulations.

Household Focus Is On Drinking and Daily Use Safety

Residential water use centers on drinking, cooking, bathing, and gardening. Ensuring arsenic levels are below the health-based limit and monitoring for any changes in water quality over time is key for households.

Plumbing Material and Age Effects Separate From Source Water

Plumbing Can Affect Water Chemistry

Materials used in household plumbing and the age of pipes can influence water taste, appearance, and interactions, but they do not add arsenic to water. Arsenic presence originates from the source water, not from internal plumbing components.

Consider Plumbing When Assessing Overall Water Quality

While plumbing issues do not create arsenic contamination, they can affect other secondary aesthetic qualities, highlighting the need for comprehensive water testing when addressing quality concerns.

Distinguishing Arsenic From Similar Water Issues

Arsenic Versus Iron or Manganese

Commonly confused with arsenic due to overlapping taste or staining complaints, iron and manganese are different elements with their own treatment approaches and regulatory levels. Confirming the exact constituent through water testing avoids misdirected solutions.

Why Accurate Testing Matters

Testing differentiates between arsenic and other elements, ensuring appropriate treatment choices and compliance with health standards.

Sources of Arsenic in Shelby County Groundwater

Natural Geologic Presence

Arsenic in the 100ALVM aquifer primarily originates from natural geologic formations leaching into the water. The measured range reflects typical background levels in the region’s groundwater.

Limited Industrial Contributions

No documented industrial sources significantly elevate arsenic levels in this aquifer area, according to government data.

Data Reliability: Sample Size and Well Depth

Sampling Scope

USGS collected 10 samples from 5 wells at depths between 55 and 166 feet during September 2017 to assess area conditions. This limited sample size provides an indicative snapshot but cannot represent every well’s specific situation.

Implication for Household Testing

Given the small sample and natural variability, individual well testing remains the only way to confirm arsenic levels impacting your household water.

Summary

Government sampling in Shelby County’s 100ALVM aquifer detected arsenic at levels below federal health limits but cannot define your household’s water quality. Testing your own water is necessary to identify your specific needs.

For addressing arsenic concerns, the Fleck Arsenic Filter offers a proven option available for direct purchase that ships ready to configure, helping you manage arsenic effectively at your home.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2017-09-28. 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 100ALVM aquifer (Shelby County): 10 results from 5 wells, median 1.7 ug/L, range 0.51-5.4 ug/L; none above any federal threshold