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What Government Data Reveals About Arsenic in Highlands County Groundwater

Residents dependent on groundwater from the 120UFAQ aquifer in Highlands County, Florida, may be aware that arsenic can sometimes be present in well water. According to the U.S. Geological Survey, water samples collected from two separate wells in this aquifer, at depths between 1520 and 1530 feet, showed arsenic concentrations ranging narrowly from 0.22 to 0.28 micrograms per liter (µg/L). The median concentration was 0.27 µg/L, measured over three results between April 2015 and January 2026.

It is important to emphasize that these measurements represent samples from specific wells in the area, not from individual home water supplies. Moreover, none of the arsenic concentrations detected in these samples exceeded federal thresholds established for safe drinking water. This indicates that, regionally, arsenic levels in the 120UFAQ aquifer are low but detectable.

Why Understanding Your Own Well's Water Quality Matters

While regional data offers valuable insight, arsenic levels can vary from one well to another due to factors such as geology, construction, and depth. Therefore, homeowners interested in knowing the arsenic content in their own water supply should perform laboratory testing specific to their well. Only such testing can provide an accurate assessment of the individual household’s arsenic exposure.

Testing usually involves collecting a water sample under prescribed conditions and sending it to a certified laboratory for analysis. This step is critical because relying solely on area data does not guarantee that your water shares the same characteristics.

The Role of Arsenic in Drinking Water and Its Considerations

Arsenic is a naturally occurring element found in some groundwater sources. While low levels detected in Highlands County are not above federal safety standards, arsenic can be a concern when present at higher concentrations. Exposure to elevated arsenic over long periods is associated with various health effects, which is why regulatory agencies set enforceable limits to protect public health.

In many cases, arsenic in drinking water is tasteless and odorless, making testing an essential tool to detect its presence. Because of this, households relying on private wells should be particularly attentive to testing recommendations.

How Reverse Osmosis Systems Address Arsenic in Home Water

For households aiming to reduce arsenic or other dissolved contaminants, water treatment technology that effectively removes such substances can be a prudent measure. Reverse osmosis is a filtration technology that uses a semipermeable membrane to remove a wide range of dissolved solid substances, including arsenic, from water.

Reverse osmosis units designed for residential use typically operate with capacities suitable for household consumption, such as systems capable of processing hundreds to thousands of gallons per day. Such systems ship ready to configure and can be integrated within the home's water supply setup to deliver treated water with significantly reduced arsenic levels.

Summary and Recommended Actions for Highlands County Households

• U.S. Geological Survey data shows arsenic is present at low concentrations in the 120UFAQ aquifer but below federal safety limits.
• Individual well water can differ; testing your own water is essential to determine arsenic content accurately.
• If arsenic is detected at concerning levels, technologies like reverse osmosis provide a viable option to reduce it effectively.
• Evaluating water treatment solutions should be based on your household’s specific water quality needs.

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.

The documented solution

1600 Gallons Per Day Reverse Osmosis