Fleck Arsenic Filter

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Government sampling in Hennepin County for aquifer 112GSSG found arsenic present in all tested wells, with concentrations ranging from 0.18 to 19.3 micrograms per liter (µg/L) and a median of 1.0 µg/L. These samples, taken from 20 separate wells between about 9 and 29 feet deep during 2011 to 2016, did not exceed any federal thresholds.

1. What to Record Before Seeking Treatment Advice

Before exploring water treatment options for arsenic, households should document specific information to provide an accurate picture of their water quality and usage demands. Essential details include:

• Results from a certified laboratory test identifying arsenic concentration in your own water supply.
• Household water usage rates to understand demand and flow requirements.
• The depth and construction details of your well or water source if available.
• Any other water quality concerns or constituents detected by testing.
• Previous treatment measures or equipment currently in use.

2. Additional Considerations for Commercial or Industrial Operators

While this page focuses on household needs, commercial or industrial users should consider factors beyond residential scope. These include:

• Larger and more variable water volumes demanding higher capacity systems.
• Potential regulatory compliance requirements specific to commercial operation.
• The impact of arsenic treatment on process water quality and equipment longevity.
• Additional constituents or process-specific contaminants requiring integrated treatment.

3. Maintenance Rhythm of the Documented Technology

The Fleck Arsenic Filter system ships ready to configure and requires a routine maintenance schedule tailored to the household’s water quality and usage. Maintenance typically involves:

• Periodic replacement of filter media as indicated by water quality changes or system alerts.
• Regular inspection to ensure system components function properly and no leaks or wear occur.
• Monitoring treated water quality to assure ongoing arsenic reduction performance.
• Following manufacturer guidelines for system flushing or regeneration cycles to keep media active.

4. How to Read a Certified Laboratory Arsenic Test Report

A certified lab test report for arsenic will generally include the concentration measured in micrograms per liter (µg/L) along with reporting limits and detection notes. Key points to understand are:

• Detected values indicate the amount measured but do not imply a violation or unsafe condition unless stated by regulatory thresholds.
• Reporting limits show the smallest concentration reliably measured by the test method.
• Comparing your water’s arsenic result to federal MCL (Maximum Contaminant Level) benchmarks helps assess if treatment is recommended or required.
• Multiple tests over time can reveal variations and trends in arsenic concentration.

5. Differentiating Arsenic from Similar Water Issues

Arsenic contamination is often confused with other water quality problems that affect taste, staining, or health risks, including iron and manganese. Important distinctions include:

• Arsenic is an element that does not affect the appearance or odor of water, unlike iron or manganese which can cause discoloration or odor issues.
• The health risks and regulatory limits for arsenic are specific and differ greatly from aesthetic secondary standards.
• Treatment technologies effective for arsenic often differ from those targeting iron or other metals.
• Testing must specifically identify arsenic to guide appropriate treatment decisions.

6. How the Documented Treatment Technology Works

The Fleck System for arsenic treatment addresses the contaminant through specialized filtration media designed to reduce arsenic levels. This media adsorbs or chemically captures arsenic particles, reliably lowering concentrations in household water supply when maintained as recommended.

Choosing this system allows households in Hennepin County to directly purchase equipment that matches their measured demand and arsenic levels, providing a tailored approach to safe and improved water quality.

Considering the arsenic range documented by the US Geological Survey in aquifer 112GSSG, the Fleck Arsenic Filter offers a proven solution to address residential arsenic removal needs according to your test results and water demand.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2016-09-08. 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 112GSSG aquifer (Hennepin County): 23 results from 20 wells, median 1.0 ug/L, range 0.18-19.3 ug/L; none above any federal threshold