Government Sampling of Arsenic in Highlands County's Aquifer 120UFAQ
The U.S. Geological Survey has conducted groundwater sampling in Highlands County, focusing on the aquifer designated 120UFAQ. This effort involved testing multiple wells, specifically two separate wells sampled over a period from April 2015 through January 2026. These wells were notably deep, ranging from 1520 to 1530 feet, providing a substantial profile of the aquifer's groundwater quality.
Within these samples, arsenic—a naturally occurring element often found in groundwater—was detected consistently. The measured concentrations ranged narrowly from 0.22 to 0.28 micrograms per liter (µg/L), with a median value of 0.27 µg/L. It is important to note that these findings represent area-wide observations and not the arsenic level in any singular residential well. All detected levels in this sampling sit below federal arsenic thresholds established for drinking water.
What Arsenic Detection Means for Residential Water Users
Arsenic in water primarily originates from natural sources such as the erosion of arsenic-containing minerals. Its presence at certain levels can affect water safety and quality. The federal government sets specific thresholds to protect public health, based on extensive research into arsenic’s effects over extended exposure times. The data from Highlands County’s 120UFAQ aquifer indicate that arsenic concentrations, while present, do not exceed these health-based federal standards in the sampled wells.
For homeowners, this signifies that while arsenic has been detected in the area’s groundwater, the presence alone does not imply that your household water currently has unsafe arsenic levels. The only way to confirm arsenic levels in your own water supply is through an individual water test performed on your well or tap water, targeting arsenic concentration specifically.
Testing Your Household Water for Arsenic
Because groundwater quality can vary widely even within the same region, testing is the only reliable method to understand what is in your household water. Typical water testing services will measure arsenic concentration alongside other potential contaminants. Knowing your water’s arsenic content is a critical first step in deciding any water treatment or safety measures.
How to Manage Arsenic in Home Water Supplies
When arsenic is detected at concerning levels in well or tap water, technologies designed for arsenic removal can effectively reduce the concentration, improving water quality. One such technology employed is adsorptive media filtration, which works by attracting and capturing arsenic ions from the water as it passes through the media.
The WSP Whole House Arsenic Reduction System uses this approach to treat all household water, delivering arsenic reduction throughout the home plumbing. It ships ready to configure for direct purchase and can be integrated into your water system setup to target arsenic specifically, addressing potential concerns with residential water quality.
Summary
- Government sampling in Highlands County's 120UFAQ aquifer finds low-level arsenic consistently present but below federal safety thresholds in deep wells tested.
- Area-wide results do not determine individual well or tap water arsenic levels; individual testing is necessary.
- Arsenic has long-term health considerations depending on exposure and concentration; confirming your water quality is essential.
- Adsorptive media systems like the WSP Whole House Arsenic Reduction System provide a documented method to reduce arsenic throughout the household water supply.
Where this information comes from
Source: USGS groundwater sampling. 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.
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