If your well taps into shallow or deep groundwater sources
In Douglas County, Nebraska, the U.S. Geological Survey has analyzed arsenic levels in wells ranging from 22 to 246 feet deep within the aquifer known as 112SDGVD. This sampling involved 97 results from 24 wells over a 15-year period. While arsenic was detected in nearly all samples, concentrations varied widely from as low as 0.08 micrograms per liter to as high as 9.8 micrograms per liter. Because well depths and local geology affect arsenic presence, water drawn from your well may differ from these area-wide findings. Testing your own water is necessary to determine your home's arsenic level precisely.
If you want to reduce arsenic content in your water supply
The Autotrol Arsenic Filter uses proven filtration technology designed to reduce arsenic concentrations from water entering your home. This system works by selectively capturing arsenic particles during water flow, providing a way to mitigate arsenic exposure from well water. It ships ready to configure for home use and functions continuously to address your water quality once set up.
If you want to understand upkeep and operation of arsenic removal
Maintaining the Autotrol System is straightforward with a routine schedule that involves monitoring filter status and periodic media replacement to keep arsenic reduction effective. The system does not require specialized tools or professional setup and is designed for ongoing home use with manageable maintenance steps.
If you want context on what arsenic levels mean locally compared to federal standards
None of the Douglas County samples in aquifer 112SDGVD exceeded any federal arsenic threshold. The median sampled level was 3.65 micrograms per liter, comfortably below the US Environmental Protection Agency's maximum contaminant level for arsenic at 10 micrograms per liter. However, a detection—even below limits—indicates arsenic presence and invites personal water testing to assess household exposure accurately. This local data does not imply your well water is unsafe but highlights a common regional constituent.
If you are curious about plumbing factors affecting arsenic in your tap water
Arsenic measured in groundwater is independent of plumbing materials or the age of your home's water system. Pipes or fixtures do not add arsenic to water. However, plumbing materials can influence other water qualities unrelated to arsenic. Knowing your well source and testing your water composition are the critical steps to evaluate arsenic risk rather than focusing on household piping.
In summary, these government groundwater samples from Douglas County's aquifer 112SDGVD provide a regional overview of arsenic presence in local wells. For personalized information, testing your own water is necessary. The detailed data can be found on the U.S. Geological Survey website, which monitors this aquifer and publishes ongoing water quality results.
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 Arsenic in the 112SDGVD aquifer (Douglas County): 97 results from 24 wells, median 3.65 ug/L, range 0.08-9.8 ug/L; none above any federal threshold
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