Acidic Water Concerns in Colleton County: Understanding pH Variation in Aquifer 111SANDD

Government sampling conducted by the U.S. Geological Survey in Colleton County’s aquifer 111SANDD has shown that water pH levels vary widely, with a median pH of 5.05 standard units and measurements ranging from 4.1 to 7.9 standard units among 14 samples taken from 6 wells between 2018 and 2019. This pH range indicates that much of the groundwater in this aquifer tends toward acidity, with 10 out of 14 samples falling below the EPA’s secondary recommended pH range of 6.5 to 8.5. It is important to note that this secondary standard addresses aesthetic factors such as taste and corrosion potential rather than health safety.

Changes in Treated Water Quality at the Household Tap

When treated with appropriate equipment, water drawn from this aquifer can show improved pH levels closer to the EPA recommended range, reducing corrosion potential and associated taste or staining issues. The treated water typically feels less harsh and is less likely to corrode pipes, fixtures, and appliances. This can contribute to a more comfortable and durable water supply within the home.

How the Fleck System Neutralizes Acidic Water

The Fleck Acidic / Low-pH Water Filter uses a process designed to raise the pH of acidic water to a more neutral level. It operates by introducing a neutralizing medium that chemically counteracts the acidity, thereby increasing pH. This adjustment helps diminish corrosive effects and improves water quality without adding unwanted substances. The system ships ready to configure for home use.

Influence of Sample and Well Depth on Expected Water Chemistry

The wells sampled in this area range from 13 to 56 feet deep, showing variability in pH measurements across this depth spectrum. Shallower wells may tend to show more acidic characteristics, possibly due to surface influences or the specific mineral composition of the local geology. Deeper wells may exhibit less acidity depending on aquifer conditions. Therefore, water chemistry at your specific well may differ and requires testing to confirm.

Which Household Fixtures and Appliances React First to Acidic Water

Fixtures and appliances that use water continuously or contain metal components, such as faucets, toilets, water heaters, and dishwashers, often show the early effects of acidic water due to increased corrosion or surface wear. Pipes may eventually corrode faster, leading to maintenance concerns. Neutralizing acidic water helps prolong the life and functionality of these household investments.

Comparing Colleton County’s Aquifer Data with Neighbouring Areas

While Colleton County’s 111SANDD aquifer shows a median pH below the secondary EPA standard, it is useful to compare this data with adjacent counties or aquifers to understand local variability. Differences in geology, land use, and aquifer characteristics can cause variations in pH levels. However, these differences represent regional tendencies and do not predict individual well conditions.

How Acidic Conditions Develop in Colleton County Groundwater

Acidic water in this region primarily results from natural geochemical processes where carbon dioxide-rich rainwater interacts with minerals underground, generating carbonic acid that lowers pH. Human activities affecting soil composition and water recharge may also contribute. Understanding these natural mechanisms clarifies why acidity varies and why treatment can be beneficial.

In summary, the USGS sampling of groundwater in Colleton County’s aquifer 111SANDD provides a regional portrait of acidic water presence, based on 14 samples from 6 wells at depths between 13 and 56 feet taken over 2018-2019. This data indicates a trend toward acidity that can influence household water quality. Additional testing of your own water source is needed to determine your specific pH level. The Fleck Acidic / Low-pH Water Filter offers a treatment option to moderate acidity and improve water conditions. For further details, see the USGS water data source referenced above.

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 pH in the 111SANDD aquifer (Colleton County): 14 results from 6 wells, median 5.05 standard units, range 4.1-7.9 standard units; EPA secondary standard for pH is 6.5-8.5 (aesthetic/corrosivity, not health-based); 10 of 14 sampled results fell below 6.5