Government groundwater sampling in Clay County, Missouri, from aquifer 111ALVM, shows iron was detected in 50 results from nine wells, with a median concentration of 12,950 micrograms per liter and a range from 1,280 to 32,000 micrograms per liter. All samples were taken from wells between 36 and 105 feet deep, spanning the years 2010 to 2026. These findings reflect what was measured in the area and do not indicate the specific iron level in any household's well or tap water.
Maintenance Rhythm of the Pentair System in Managing Metallic Taste
For households facing metallic taste that existing equipment cannot fully control, the Pentair Metallic-Tasting Water Filter ships ready to configure and requires routine upkeep aligned with water use patterns. This includes periodic cartridge replacement based on filter life indicators or when taste improvement diminishes. A consistent maintenance schedule ensures the system remains effective in reducing metallic taste agents commonly associated with iron presence.
Commercial and Industrial Questions Beyond Household Concerns
Operators of larger water systems often consider iron’s impact on operational scale, corrosion control, and regulatory reporting beyond taste. Questions may include long-term iron accumulation rates and interaction with treatment chemicals. Households primarily focus on immediate taste and staining, without the complexity of regulatory thresholds or process optimization faced by commercial entities.
Reading a Certified Laboratory Iron Test Result
A certified lab report for iron will present concentration in micrograms per liter (ug/L). The report quantifies total iron or dissolved iron, mapped to detection limits specific to the testing method. A household should interpret the result by comparing it to regional data like that from aquifer 111ALVM and consider aesthetic thresholds established by public health guidelines, noting that detection does not imply a health violation.
Understanding the Median and Range from Clay County Sampling
The median iron value of 12,950 ug/L in this area indicates half the samples measured above and half below this concentration, illustrating a common central point in regional groundwater iron levels. The wide range from 1,280 to 32,000 ug/L shows variability among wells, which is typical due to geological factors and depth differences. Homeowners can use this to anticipate that their water may fall anywhere within this spectrum and should test accordingly.
Seasonal and Multi-Year Variation Evident in Sample Dates and Values
The sampling timeframe from June 2010 through May 2026 reveals that iron presence has been consistently detected across seasons and years in this aquifer. Fluctuations within the range do not indicate any declining trend but show persistent detection, which aligns with stable geology affecting groundwater composition over time rather than transient events.
Fixtures and Appliances Most Affected by Metallic Taste
Metallic taste commonly affects kitchen faucets first, where water is consumed, and ice makers or coffee machines where flavor impact is most noticeable. Plumbing fixtures with aerators may also show more pronounced taste changes. Appliances relying on water heating can exhibit staining or scaling from iron deposits, making early filtering beneficial to preserve appliance longevity and water quality.
In summary, Clay County’s aquifer 111ALVM iron measurements provide a regional context for metallic taste that may challenge household water treatment. Testing your own water is necessary to determine exact conditions, and the Pentair Metallic-Tasting Water Filter offers a manageable solution that complements existing equipment facing capacity limits.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2026-05-12. 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 Iron in the 111ALVM aquifer (Clay County): 50 results from 9 wells, median 12950.0 ug/L, range 1280.0-32000.0 ug/L; none above any federal threshold