The groundwater in Douglas County, Nebraska, comes from the 112SDGVD aquifer, supplying water to many residential wells. This water travels from underground sources through varying soil and rock layers before reaching household taps. Government sampling has tested water from 24 wells in this area, ranging in depth from 22 to 246 feet, offering a broad view of what is common in this aquifer.
How can I judge treatment capacity against my household's daily water demand?
Knowing the size and water usage of your household is key to selecting a treatment system that matches your daily volume needs. The treatment system documented here—Fleck Total Well Chlorination System—has a grain capacity of 32,000. This capacity indicates how much treated water it can effectively process before requiring recharge or maintenance cycles. Assess your average daily water use, which can vary widely depending on the number of occupants and water-using appliances, and compare it to the system's capacity to ensure it will handle your household's demand efficiently.
What does the measured range of iron in Douglas County's aquifer 112SDGVD mean against federal standards, and what does it not mean?
Samples from 24 wells in this aquifer measured iron concentrations ranging from 3.2 to 17,600 micrograms per liter, with a median concentration of 31.25 micrograms per liter. Iron was detected in 78 percent of these samples but was always below federal thresholds. These thresholds are regulatory markers ensuring water safety, not aesthetic considerations. A detection means instruments found iron present but does not imply contamination or danger. Your own well water could be different; only a specific water test from your source can establish your local concentrations.
What happens when total well water issues are left untreated for years, stated without exaggeration?
If constituents commonly found in total well water, such as iron, remain untreated, you might encounter gradual effects like staining on plumbing fixtures and laundry or a metallic taste in water. These effects are aesthetic or functional rather than health-related. Over time, untreated iron can contribute to buildup inside pipes, potentially reducing water flow and requiring more frequent maintenance of plumbing components. However, these outcomes develop over long periods and depend on the concentration present in your specific well.
How does the Fleck Total Well Chlorination System remove or neutralize the constituents found in total well water?
The Fleck Total Well Chlorination System uses controlled chlorination combined with filtration to address common well water constituents. Chlorination disinfects water by oxidizing dissolved iron compounds, converting them into solid particles that can be filtered out, preventing staining and buildup issues. This process is effective in managing typical iron levels found in the Douglas County aquifer 112SDGVD, based on government sampling results. The system ships ready to configure for household use, allowing for integration with your existing water supply line.
What do 'detected', 'median', and 'range' mean in the sampling record on this page?
- Detected means that iron was measured at a concentration above the instrument’s reporting limit in some samples but is not a statement about safety or compliance.
- Median represents the middle value in the ordered set of measurements, indicating a typical concentration found in the sampled wells in this area.
- Range shows the span between the lowest and highest measured iron levels, illustrating variability across different wells and depths within the aquifer.
The government data reflects a wide range of iron concentrations across Douglas County’s wells, reflecting natural geological differences and well depths. This data does not establish conditions for any single well or household.
What water test should I order to settle the question of my well water quality?
To determine if your total well water requires treatment, order laboratory testing that measures iron concentration in your own well water. This test should be conducted on a representative water sample taken directly from your household supply or well source. Knowing your water’s iron level will confirm if treatment with a system like the Fleck Total Well Chlorination System is appropriate and how to size the treatment capacity you require. Only this specific information can bring clarity to your situation and guide effective water management.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2025-06-13. 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 Iron in the 112SDGVD aquifer (Douglas County): 100 results from 24 wells, median 31.25 ug/L, range 3.2-17600.0 ug/L; none above any federal threshold
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