If you notice unusual taste or staining but haven’t tested your water
Residents in Lake County relying on groundwater from aquifer 110DUNED may be wondering if arsenic is present in their water supply. Government sampling by the U.S. Geological Survey has examined arsenic in this area through wells 40 feet deep. Four results collected from one well between August 2022 and July 2023 all detected arsenic at levels ranging from 17.7 to 20.2 micrograms per liter, with a median of 18.8 micrograms per liter. These detections represent measured concentrations in area samples—not specific readings from your household water—and fall below federal regulatory limits, meaning they do not constitute a violation or health-based exceedance.
How the documented treatment technology removes or neutralizes arsenic
The C-Series System addresses arsenic by filtering water through media designed to reduce arsenic concentrations effectively. This technology lowers arsenic to levels that help protect plumbing fixtures and household water quality. Though individual water testing is essential to determine your specific arsenic level, this filter model ships ready to configure for residential use, simplifying its incorporation into your water management routine.
How seasonal or multi-year variation shows in the record
The arsenic data for Lake County's aquifer 110DUNED shown here comes from a one-year sampling period with four measurements. These results were consistent, with arsenic concentrations staying within a narrow range. While groundwater arsenic levels can fluctuate due to environmental and geological factors, this regional data does not indicate large seasonal swings over the sampled timeframe.
The household or facility symptoms that do and do not point to arsenic
Signs sometimes attributed to arsenic include metallic taste or staining on sinks and fixtures. However, these symptoms alone do not confirm arsenic presence, as many other minerals can cause similar effects. Because arsenic is odorless and tasteless at low levels, detecting its presence without testing is unreliable. Testing your own water sample is the only way to confirm household arsenic concentration.
Which fixtures, appliances or processes are affected first and why
Arsenic in water tends to impact fixtures and appliances that involve frequent water contact, especially those with metal components, by contributing to staining and scaling over time. Faucets, showerheads, and water-using appliances like dishwashers or water heaters may show early signs of these effects if arsenic concentrations are elevated. Addressing arsenic helps protect these home features and maintain water quality.
Maintenance rhythm of the documented technology in plain terms
The C-Series Arsenic Filter requires regular media changes based on water use and arsenic concentrations to maintain optimal performance. Users should monitor the system's condition and replace filter media when recommended, typically after a defined volume of filtered water or time period. This keeps arsenic removal effective and household water safe for daily use.
Considering the median arsenic levels documented in Lake County's aquifer 110DUNED, testing your household water for arsenic concentration is an important step. If elevated levels are found, the C-Series Arsenic Filter ships ready to configure and can help reduce arsenic in your water supply to support your family's needs.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2023-07-11. 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 110DUNED aquifer (Lake County): 4 results from 1 wells, median 18.8 ug/L, range 17.7-20.2 ug/L; none above any federal threshold