Arsenic in Walton County's Aquifer: What the Data Shows
Government monitoring by the U.S. Geological Survey has sampled groundwater at depths between 500 and 621 feet within Walton County’s 120UFAQ aquifer. From 2015 to early 2026, they collected three arsenic measurements from two separate wells. The detected arsenic concentrations ranged from 0.49 to 1.5 micrograms per liter, with a median value of 1.4 micrograms per liter. Notably, none of these measured values exceeded any federal arsenic limits.
While these samples provide a snapshot of arsenic in this aquifer, they are not direct tests of your home’s water source. Individual water quality can vary due to well depth, local geology, and other factors. To understand arsenic levels specific to your water supply, a professional water test targeting arsenic concentration is essential.
Why Arsenic Matters in Residential Water
Arsenic is a naturally occurring element that can dissolve into groundwater under certain geological conditions. Even low concentrations might affect the taste or appearance of water and may be of concern for long-term exposure. Because its presence can vary widely from site to site, knowing your water’s arsenic status is a key step in choosing an effective treatment method.
Comparing Technical Approaches to Arsenic Reduction
Two main technical options are often considered for arsenic treatment in residential water systems:
- Conventional Filtration: Techniques such as activated alumina or iron-based media can adsorb arsenic but may require frequent media replacement and careful management of waste.
- Reverse Osmosis (RO): This advanced membrane process reduces a wide range of dissolved constituents, including arsenic, by forcing water through a semipermeable membrane that blocks contaminants.
Reverse osmosis systems designed for whole-house use, such as the WSP Whole House Reverse Osmosis System with a capacity of 300 gallons per day, offer the advantage of treating all water entering the home. This comprehensive approach can provide consistent arsenic reduction alongside removal of other potential impurities.
What You Should Do Next
- Obtain a detailed water analysis, specifically testing for arsenic concentrations in your well or supply.
- Evaluate treatment options based on your water test results, household water use, maintenance preferences, and technical suitability.
- Consider a whole-house reverse osmosis system if you want broad-spectrum contaminant reduction with documented performance against arsenic.
Understanding the measured arsenic levels in Walton County’s aquifer offers valuable guidance but does not replace the need for site-specific testing. Making an informed choice between treatment technologies depends on your water’s unique characteristics and your household’s 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
WSP Whole House Reverse Osmosis System - Commercial, 300 GPD