The U.S. Geological Survey sampled groundwater from six separate wells in Colleton County's 111SANDD aquifer between mid-2018 and late 2019. Arsenic was detected in half of these wells with concentrations ranging from 0.14 to 3.2 micrograms per liter (µg/L), and a median level of 0.81 µg/L. None of these levels exceeded federal arsenic thresholds. These findings reflect area-wide conditions but do not establish the arsenic concentration in any individual well or household water supply.
If you are preparing to seek professional advice on arsenic treatment
Before consulting any water treatment professional or service, it is important to document your household’s water source specifics and testing results. Obtain a current arsenic test from a certified laboratory for your own water supply. Note the depth of your well and any historical water quality data you have available. This information is critical because arsenic levels and water chemistry can vary significantly even within the same aquifer. Having precise data about your own water—rather than relying solely on regional figures—will ensure any treatment recommendation is tailored accurately to your needs.
If you serve water treatment needs for commercial or industrial facilities as well as residential
Operators of commercial or industrial sites must consider additional factors beyond those typical for a household. These include water volume demands, regulatory compliance requirements specific to their industry, and potential impacts on equipment or product quality. While residential treatment focuses largely on health and taste, commercial users need to evaluate operational continuity and any liabilities related to water quality. Such entities should incorporate detailed water system audits and often require more complex treatment setups. Residential users usually do not need this level of analysis.
If you are interpreting arsenic data terms like 'detected', 'median', and 'range' from the government record
In the USGS sampling record for Colleton County aquifer 111SANDD, 'detected' means the analytical instruments found measurable arsenic concentrations in the water samples; it does not signify a violation of safety or health standards. The 'median' value is the middle number when all measurements are arranged in order, providing a central tendency indicator rather than an absolute for any given well. The 'range' indicates the lowest and highest detected values across the sampled wells. The record includes samples where arsenic was found and others where it was below the detection reporting limit. Understanding these terms clarifies that area data provide a background, which may not directly reflect your well’s condition.
If your household is large, a second home, or used seasonally
When deciding on arsenic treatment for homes with varying occupancy patterns, consider water usage rates and periods of inactivity. Larger households consume more water and may require higher capacity treatment options. Seasonal or second homes might experience water stagnation that could affect arsenic behavior or treatment effectiveness over time. These factors influence the selection and configuration of treatment solutions, ensuring safe and reliable water throughout fluctuating usage conditions.
If you want to understand how treated water changes at the tap after using the C-Series Arsenic Filter
The C-Series Arsenic Filter uses proven filtration technology designed to reduce arsenic concentrations in household water. Once connected, you can expect clearer, better-tasting water without the arsenic present in untreated supplies. The system ships ready to configure for your plumbing setup, simplifying adaptation to your home. The C-Series System is designed to operate continuously, maintaining treated water quality and providing peace of mind about arsenic exposure. It does not alter other water characteristics unrelated to arsenic.
This summary is based on U.S. Geological Survey groundwater sampling of six wells in Colleton County’s 111SANDD aquifer conducted from July 2018 through November 2019. For full details of the data and ongoing local water quality monitoring, please consult the official government source at https://waterdata.usgs.gov/monitoring-location/323116080195808/.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2019-11-14. 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 Arsenic in the 111SANDD aquifer (Colleton County): 6 results from 6 wells, median 0.81 ug/L, range 0.14-3.2 ug/L; none above any federal threshold