What to Record from Your Water Test Report Before Seeking Treatment Advice
When you receive laboratory results for your well water, focus on the specific iron concentration listed, typically reported in micrograms per liter (ug/L) or parts per billion (ppb). Note the exact number and the date the sample was taken. Also write down any information about water hardness measured in grains per gallon or milligrams per liter, if provided. This data is crucial for comparing your water's condition with regional patterns and deciding on treatment needs. Without your own water test, guesses based on area data will remain only a reference.
The Role of Plumbing Material and Age Separate From Source Water
Rust and staining issues in household water can stem not only from natural iron levels in your source well but also from the materials and age of your plumbing system. Older pipes, especially those made of iron or steel, may corrode and contribute iron particles independent of your well's water quality. Understanding whether discoloration is coming from plumbing or the water source itself requires inspection and testing of both water entering the home and water after plumbing fixtures.
Sample Size and Scope Behind Hillsborough County Data
The U.S. Geological Survey sampled 117 separate bedrock wells across Hillsborough County between early 2012 and late 2013, collecting 118 results for iron concentration. Samples came from wells between 110 and 1100 feet deep. Iron was detected in 48 samples, with a median concentration of 180 ug/L and a range from 70 ug/L to 13,000 ug/L. Seventy results were below the detection limit. While this dataset represents a robust regional picture, it does not provide direct information on any individual well's condition.
How to Compare Hillsborough County's Iron Range With Neighboring Regions Without Overreading
In comparing Hillsborough County's iron concentrations with data from nearby counties, understand that differences in geology and aquifer conditions can cause variation. A wider or higher range in one area does not mean your well water must fall within those extremes. Instead, use neighboring data as context for possible conditions while relying on your own water test to measure severity. Regional sampling does not define your specific home's water quality but helps frame what might be common or uncommon in local bedrock wells.
Interpreting the Range Relative to Federal Standards
None of the iron results sampled exceeded any federal threshold for drinking water safety. These thresholds focus on health risks and are separate from secondary standards that address taste, staining, or corrosion concerns. While iron may cause rust-colored stains or influence water hardness, its detection—even at higher levels—is not a violation or health hazard by federal measures. Recognizing this distinction helps avoid confusion between aesthetic effects and safety regulations.
Addressing both rust and hardness effectively begins with the right equipment sized for your measured water demand. The Fleck Well Rust + Hardness System offers a treatment capacity of 32,000 grains, designed to reduce iron and hardness levels based on your actual water test results. It ships ready to configure for domestic use, providing a documented solution to improve water quality where rust and hardness are present.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2013-09-20. 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 BEDROCK aquifer (Hillsborough County): 118 results from 117 wells, median 180.0 ug/L, range 70.0-13000.0 ug/L; none above any federal threshold
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