What the Measured Range Means Against Federal Standards, and What It Does Not Mean
The U.S. Geological Survey conducted groundwater sampling in Douglas County’s N100BSNRGB aquifer, analyzing 161 samples from 11 wells between 2010 and 2026. The hardness levels, measured as calcium and magnesium concentrations, ranged from 15.1 to 311.0 milligrams per liter with a median value of 136.0 mg/L. None of these samples exceeded any federal threshold for hardness or related water quality parameters. It is important to understand that these results describe the general aquifer area and not any individual household’s well or water source. A detection or level within this range does not indicate a regulatory violation or unsafe water but simply characterizes the mineral content present in the sampled aquifer.
How Treated Water Differs at the Tap Once the Documented Technology Is in Place
When water with mineral compositions like those measured in Douglas County enters household systems, scale buildup inside water heaters can result, reducing efficiency and lifespan. The C-Series System addresses this by intervening in the scale formation process, altering how minerals like calcium and magnesium behave inside the hot water system. After configuring this system, water heater scale formation is greatly reduced, which can help maintain system efficiency and avoid costly maintenance or replacement. This technology does not remove minerals but changes their interaction with water heater surfaces to minimize buildup.
How Many Samples and Wells Stand Behind the Figures, and What a Small Sample Means
The data described comes from a sizeable and diverse set of 161 test results collected across 11 wells drilled 88 to 180 feet deep. This breadth of sampling offers a robust insight into the aquifer’s mineral profile over time and geography. However, a smaller or less geographically varied sample might not capture the full variability in water quality. Likewise, conditions in an individual residential well could differ significantly from these area averages due to well depth, local geology, or seasonal changes. Therefore, area data should be used only as a general guide rather than a definitive statement of any one household’s water condition.
What a Certified Laboratory Test for This Constituent Reports and How to Read It
If water heater scale is suspected, obtaining a certified laboratory analysis of the household water is essential. Such a test quantifies calcium and magnesium concentrations with high accuracy. Results are typically reported in milligrams per liter, indicating the level of minerals contributing to water hardness. Comparing these results to regional data can help determine if a household’s water is typical or outside the local range. Understanding these numbers helps decide if treatment like the C-Series System is appropriate.
How to Compare This Area’s Record With a Neighboring County’s Without Overreading It
Nearby counties may report different hardness levels due to geologic variations and water source differences. For instance, an adjacent aquifer might show a median hardness lower or higher than Douglas County’s 136.0 mg/L figure. While such comparisons offer context, they should not lead to assumptions about safety, compliance, or exact water heater scale risk in any individual household. The data reflects general trends, not precise local conditions.
How Public-System Records Differ From Private-Well Testing in What They Establish
Public water systems frequently monitor hardness and related factors but usually blend water from multiple sources, averaging out local variations. Area aquifer data samples raw groundwater before treatment or blending, providing a baseline mineral content profile. Private wells may encounter different hardness levels based on local geology and well construction. Consequently, private well owners need specific testing beyond public or area data to understand their unique water chemistry.
What You Should Not Conclude From Area Data
Douglas County aquifer measurements characterize regional mineral content but do not determine the hardness or scale potential of your specific household water. No detection in the data indicates a violation or unsafe condition. To address water heater scale effectively, test your water through a certified laboratory. If scale buildup is present, the C-Series System ships ready to configure and provides a documented solution to reduce scale impacts in residential water heaters. Relying solely on area data without individual testing can lead to misinformed decisions about water treatment needs.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2026-03-18. 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 N100BSNRGB aquifer (Douglas County): 161 results from 11 wells, median 136.0 mg/L, range 15.1-311.0 mg/L; none above any federal threshold