This week, your priority is deciding how to understand and address your complete well water issue effectively.
Understanding 'Detected,' 'Median,' and 'Range' in Local Sampling Records
'Detected' Means Presence Not Problem
In Shelby County's aquifer 112TRRC, iron was detected in some government-sampled wells. Specifically, 27 out of 56 samples showed measurable amounts, while 29 results were below reporting thresholds. Detection simply indicates that iron was found by instruments; it does not imply any violation or unsafe condition.
Median Indicates Typical Level Among Samples
The median iron concentration in the samples was 16.7 micrograms per liter (ug/L), reflecting the middle value of measurements from 24 wells between 2011 and 2019. This offers a sense of what is common in the area, not your specific well.
Range Shows Variability Across Wells
Measurements ranged widely from 4.3 to 8940.0 ug/L, illustrating that iron levels differ significantly by well depth and location. These samples came from wells 34 to 93 feet deep.
Secondary Aesthetic Standards vs. Health-Based Limits
Ironic Role of Secondary Standards
Regulatory secondary standards exist to address water aesthetics such as taste and staining. Iron concentrations detected in Shelby County wells fall well below any federal health-based thresholds. Therefore, while iron may influence water appearance or taste, its presence here does not indicate a safety risk.
When and Why to Consider Treatment
When iron causes staining or metallic taste, treatment can improve household water quality. Such decisions depend on your own water testing and household preferences rather than regulatory exceedances.
Seasonal and Multi-Year Variations in Shelby County Iron Data
Data Collected Over Eight Years
The sampling spanned from 2011 to 2019, revealing that iron levels can fluctuate over time. This highlights the importance of testing your own water at different times to understand any changes.
Implications of Variability
Since iron concentration varies by season and year, a single test may not fully represent your water conditions. Ongoing monitoring is advisable to guide consistent treatment needs.
Separating Plumbing Material and Age From Source Water Quality
Household Plumbing Can Affect Water Appearance
Corrosion or buildup in pipes may add iron or other minerals to your tap water independently from your well. It is important to evaluate plumbing condition separately from groundwater measurements.
Testing Your Plumbing's Role
Assess your plumbing’s material and age as part of water quality evaluation. Some discoloration or taste issues might stem from the household system rather than the aquifer.
Water Treatment Considerations for Large or Seasonal Households
Increased Demand and Storage Needs
Larger households or properties used seasonally may require equipment with greater grain capacity and flow rates than typical single-family homes. This ensures consistent treatment performance.
Flexibility for Seasonal Use
Treatment approaches should allow for periods of low use without compromising system effectiveness. The Fleck Complete Well System, with 32,000 grain capacity, ships ready to configure to meet such diverse needs.
This government record reflects iron concentrations in Shelby County aquifer 112TRRC wells sampled between 2011 and 2019. For detailed data, consult the U.S. Geological Survey site for aquifer 112TRRC monitoring location 351111089512501.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2019-06-11. 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 Iron in the 112TRRC aquifer (Shelby County): 56 results from 24 wells, median 16.7 ug/L, range 4.3-8940.0 ug/L; none above any federal threshold