Understanding Arsenic Presence in Highlands County Aquifer 120UFAQ
Government groundwater sampling by the U.S. Geological Survey in Highlands County's aquifer 120UFAQ provides regional data on arsenic levels. From 2015 to early 2026, three samples from two wells at depths near 1,520 to 1,530 feet showed arsenic detected consistently, with results ranging narrowly between 0.22 and 0.28 micrograms per liter (µg/L). This data reflects conditions in the sampled area aquifer but does not specify the arsenic concentration of any individual household's well or tap water.
None of these measurements exceeded federal arsenic thresholds; the Environmental Protection Agency (EPA) sets a maximum contaminant level (MCL) for arsenic in drinking water at 10 µg/L. The sampled concentrations remain well below this health-based limit, indicating the regional aquifer water, as tested, does not demonstrate arsenic levels requiring regulatory action. However, the presence of arsenic, even at low levels, can be a consideration for taste, long-term exposure, or household preferences.
What Testing Means for Your Household Water
Because these measurements originate from area aquifer samples, individual households should conduct specific water testing to determine their well water's arsenic level. Only direct testing of your home's water supply can confirm your water’s arsenic concentration and guide appropriate treatment choices.
Testing typically involves collecting a water sample and sending it to a certified laboratory experienced in trace metal analysis. Ensure that testing methods comply with EPA or state drinking water protocols to obtain accurate and reliable results for arsenic concentration.
Comparing Residential Treatment Options for Arsenic Reduction
Households considering reduction of arsenic in their water supply often evaluate various treatment technologies based on performance, maintenance, and operational scale. A common approach is the use of reverse osmosis (RO) systems designed for home water treatment.
One technical solution available is a 1400 gallons per day (GPD) commercial reverse osmosis system coupled with a 5x40 gallon storage tank. This system uses RO membrane technology, which forces water through a semipermeable membrane to remove a wide range of contaminants, including arsenic.
Advantages of this RO technology include:
- High arsenic reduction efficiency, removing both arsenic III and arsenic V species effectively.
- Capacity suitable for typical residential use, supporting daily household water needs.
- Integration ready to be incorporated into home plumbing setups without complex modifications.
Alternative methods such as adsorptive media or coagulation-filtration may also be considered but evaluating reverse osmosis offers insight into a proven approach with a broad removal capability.
Making an Informed Choice
Deciding between treatment options hinges on testing results, household water usage, maintenance preferences, and budget considerations. Knowing the area’s general arsenic profile—low levels within federal standards—helps contextualize the need for treatment but does not replace personal water analysis.
In sum, if your household water test confirms arsenic at levels of concern or if you simply prefer an additional safeguard, the 1400 GPD Commercial Reverse Osmosis system ships ready to configure and can provide a reliable means to reduce arsenic content. It is recommended to review water test outcomes and compare treatment technologies carefully to select the best fit for your household.
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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