How the Fleck System Removes or Neutralizes Sulfide
The Fleck Rotten-Egg Sulfur Smell Filter is designed to address sulfur odor caused by sulfide compounds in water. This system operates by filtering and oxidizing dissolved sulfide, which often causes the characteristic rotten-egg smell. By reducing these compounds, the Fleck System helps households regain fresher-smelling water without altering unrelated water chemistry.
Sample Data and What the Small Set Indicates
Government data from the U.S. Geological Survey includes four groundwater samples taken from four wells within Madison County’s aquifer 110QRNR, collected between July 2011 and August 2013. The wells were 24 to 102 feet deep and showed sulfide concentrations ranging from 0.001 to 0.015 milligrams per liter with a median of 0.007 mg/L. Although the sample size is limited, these figures provide a useful regional snapshot rather than a definitive indication of any individual well’s condition.
Understanding 'Detected,' 'Median,' and 'Range' in This Context
All four sampled wells had detectable sulfide levels, meaning instruments measured sulfide presence above the method's reporting limit. The median represents the middle value of the concentration range, showing a central tendency at 0.007 mg/L. The range indicates the lowest and highest values found across wells. Importantly, detection does not imply a regulatory exceedance or unsafe condition—samples were below all federal thresholds.
Interpreting a Certified Laboratory Sulfide Test Report
A certified laboratory test report for sulfide in household water will list the measured concentration in mg/L or parts per million. Pay attention to the reporting limit, which shows the smallest concentration reliably measured. Results below this limit appear as non-detects. If sulfide is detected, the report does not by itself indicate safety status; it is an analytic finding requiring interpretation in context of local health-based guidelines and household water characteristics.
How Sulfide Enters Groundwater in Madison County Aquifer 110QRNR
Sulfide in groundwater originates naturally from anaerobic bacterial activity breaking down sulfur-containing organic material within aquifer sediments. This process produces dissolved hydrogen sulfide, which can impart a sulfur odor to water withdrawn from wells. Variations in sulfide levels depend on depth, geochemistry, and local conditions affecting bacterial populations and organic matter availability. Public water systems in the area typically manage for these occurrences, but private wells should be tested individually to confirm conditions.
For households in Madison County concerned about sulfur smell linked to sulfide, the Fleck Rotten-Egg Sulfur Smell Filter ships ready to configure and can be selected to match the volume and flow demands measured from the user’s own water supply. Testing their water is essential to confirm the presence and concentration of sulfide before choosing treatment.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2013-08-21. 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 Sulfide in the 110QRNR aquifer (Madison County): 4 results from 4 wells, median 0.007 mg/L, range 0.001-0.015 mg/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.