Groundwater Quality in Orange County’s 120FLRD Aquifer
Residents relying on wells tapping the 120FLRD aquifer in Orange County, Florida, may find the water’s appearance, taste, or effects on plumbing puzzling. Government monitoring provides a broad view of this aquifer's characteristics but does not replace individual well testing.
The U.S. Geological Survey has analyzed water samples from 44 wells between 2010 and 2026, totaling 1,822 results. These wells ranged in depth from 280 to 1,500 feet, offering a comprehensive picture of groundwater quality in this region.
Total Dissolved Solids (TDS) Levels
Total dissolved solids (TDS) measure the combined content of organic and inorganic substances dissolved in water. In the Orange County wells tested, TDS concentrations ranged widely from as low as 0.44 mg/L to as high as 20,800 mg/L, with a median concentration of 561 mg/L.
Out of all samples, 1,803 reported detectable TDS levels, while 19 were below the instrument's reporting limit. Notably, 977 samples exceeded the secondary aesthetic standard of 500 mg/L, which is a threshold developed to address taste, staining, and corrosivity concerns rather than health risks.
This secondary standard is not a regulatory safety limit, nor does exceeding it indicate unsafe water. Instead, it signals potential effects such as unpleasant taste, mineral buildup on fixtures, or corrosive tendencies that can affect pipes and appliances.
How to Determine Your Well’s Specific Condition
Because regional data reflect a range of wells and depths, they do not predict the precise qualities of your own water. To understand what’s happening with your well, you would need to conduct a water test focusing on total dissolved solids and related parameters like hardness, chloride, and iron levels.
Such testing guides decisions about treatment options that can improve taste, prevent staining on fixtures, and protect plumbing systems from mineral buildup or corrosion.
Treatment Options for Whole-House Water Quality
When total dissolved solids content or mineral hardness in well water creates household challenges, one proven approach is using a water softener designed for whole-house application. These systems work by reducing dissolved minerals that cause hardness and staining, improving water feel and protecting fixtures throughout your home.
For example, the WSP 120 cu. ft. Whole House Water Softener - Commercial ships ready to configure, enabling comprehensive water treatment tailored to wells of varying conditions. This system helps households in areas like Orange County where groundwater characteristics include elevated dissolved solids, providing better control over water quality across your entire home.
Choosing an appropriate system requires understanding your own water’s profile, so having thorough water quality data is essential prior to selecting equipment.
Summary
- Government sampling of Orange County’s 120FLRD aquifer shows wide variations in total dissolved solids, with many wells exceeding aesthetic thresholds.
- These levels affect taste, staining, and corrosivity, but do not indicate a health risk or legal violation.
- Your well’s water quality can only be confirmed through specific testing of your source.
- Whole-house softening solutions like the WSP 120 cu. ft. system offer a way to address high dissolved solids and improve your household water experience.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2026-05-27. 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 Total dissolved solids in the 120FLRD aquifer (Orange County): 1822 results from 44 wells, median 561.0 mg/L, range 0.44-20800.0 mg/L; 977 above an AESTHETIC secondary standard only (secondary standard 500.0 mg/L (aesthetic)) - not a health finding