Government groundwater sampling in Iroquois County’s aquifer 110QRNR shows hardness measurements with a median of 121 mg/L and a range from 82.2 to 290 mg/L calcium plus magnesium. These measurements come from three samples collected between 2012 and 2021 from wells 22 to 50 feet deep. None of these samples exceeded any federal thresholds.
If you notice scale buildup or appliance issues in certain fixtures
Hardness commonly affects water heaters, coffee makers, faucets, and dishwashers first because minerals accumulate as water evaporates during use. Acidic water can also corrode metal parts or cause early wear, especially in fixtures with brass, copper, or galvanized components. Observing limescale deposits or shortened appliance life in these areas suggests your water may contain elevated hardness or acidity.
If your water source differs in depth or type from the sampled wells
The government samples referenced were from wells 22 to 50 feet deep within aquifer 110QRNR. If your household draws water from a significantly deeper, shallower, or an alternate source like surface water or a different aquifer, the hardness and acid levels may vary. Well depth and geology influence mineral composition, so individual testing is essential to determine your water’s actual profile.
If you want straightforward maintenance for managing acid and hardness
The Autotrol Acidic Water + Hard Water (Well) System uses a 32,000-grain capacity technology designed for residential water treatment. Its maintenance typically involves periodic media regeneration cycles and monitoring salt levels if applicable. This rhythm is predictable and manageable, ensuring continuous treatment without complex upkeep.
If you consider the scale of water quality data supporting these figures
The hardness data comes from three measurements taken over nearly a decade, from two separate wells in the area. While limited in sample size, this data provides a regional snapshot rather than a definitive condition of any single well. Small samples mean local variations can exist beyond what the data shows, reinforcing the need for home-specific testing.
If you want to narrow down water issues before treatment
- Check visible signs like scale deposits, staining, or corrosion on plumbing and appliances.
- Test your water’s hardness and pH with home kits or laboratory services for precise results.
- Compare these results with local government data to understand where your water fits within regional conditions.
If you prepare information for professional advice or product selection
- Record your water source type and depth.
- Document recent water test results, including hardness (calcium and magnesium) and pH values.
- Note the specific household issues observed and when they started.
- Include any historical water treatment attempts or current equipment details.
While government data offers valuable regional context about acid and hardness in Iroquois County aquifer 110QRNR, it does not establish the exact condition of your household water. Testing your own water is the only way to confirm its composition and treatment needs. The Autotrol System ships ready to configure and provides a targeted solution once testing confirms acid and hardness levels warrant intervention.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2021-06-15. 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 Hardness, Ca, Mg in the 110QRNR aquifer (Iroquois County): 3 results from 2 wells, median 121.0 mg/L, range 82.2-290.0 mg/L; none above any federal threshold

