How Many Samples and Wells Stand Behind the Figures, and What a Small Sample Means
Between 2010 and 2023, the U.S. Geological Survey collected 46 groundwater hardness measurements from 22 distinct wells in Virginia Beach city’s aquifer 121YKEV. These wells ranged from 102 to 291 feet deep. While this provides a valuable regional snapshot, each individual household's water may differ. This small but relevant sample size offers data trends rather than definitive insight into any single well.
What a Certified Laboratory Test for This Constituent Reports and How to Read It
If you test your household water at a certified laboratory, the report will show concentrations of calcium and magnesium hardness in milligrams per liter (mg/L). It will not label values as safe or unsafe but will simply document the measured amounts. Understanding your specific reading helps in comparing it to local regional data and deciding on needed treatment.
The Order in Which to Rule Things Out, from Cheapest Check to Laboratory Test
Start by noting if your laundry fades despite using recommended detergents and fabric care practices, since fading is often linked to water minerals. Next, you might check for obvious water hardness signs like scale buildup on fixtures. A professional water hardness test will then clarify if mineral levels in your water could be contributing to fabric fading.
A Worked Example: Reading the Record's Median and Range as a Homeowner Would
The median hardness in the Virginia Beach city aquifer 121YKEV is 275.5 mg/L, with measurements ranging from 62.0 to 905.0 mg/L. As a homeowner, this means regional groundwater usually contains moderate to high hardness levels. Since this can cause fabric stiffness and fading over time, knowing your home's specific hardness helps tailor treatment options.
What 'Detected', 'Median' and 'Range' Mean in the Sampling Record on This Page
All 46 sampling results detected hardness, meaning calcium and magnesium were measurable in every test. The median indicates the middle value of all samples, reflecting a typical hardness level, while the range shows how low or high measurements varied across wells. These terms describe regional water qualities and are not individual well conditions.
How the Constituent Enters Groundwater or the Distribution System in This Region
Hardness minerals enter Virginia Beach city groundwater naturally through the aquifer rock formations over time. These minerals dissolve into the water, contributing to the hardness concentration visible in laboratory analysis. Household plumbing and water use patterns generally do not affect these source water hardness levels.
This record summarizes data from 22 wells sampled between 102 and 291 feet deep in the Virginia Beach city County, aquifer 121YKEV. The full dataset is available from the U.S. Geological Survey groundwater monitoring site.
To address laundry fading linked to regional water minerals, the C-Series Faded, Stiff Laundry System ships ready to configure for household use. It is designed specifically to manage the typical hardness ranges documented here, improving fabric feel and appearance.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2023-08-23. 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 121YKEV aquifer (Virginia Beach city County): 46 results from 22 wells, median 275.5 mg/L, range 62.0-905.0 mg/L; none above any federal threshold