Groundwater in Glascock County contains arsenic, chloride, and fluoride, all detected in the wells tested. These contaminants are present at levels below EPA health standards, so they are not a concern for drinking water safety.
These minerals come from the rock layers underground in this area. The sandy and clay layers of the Southeastern Coastal Plain naturally contain small amounts of arsenic and salts like chloride. Over time, as water moves through the rock, it picks up these naturally occurring elements and carries them into the groundwater that supplies wells.
Groundwater in Glascock County is soft with moderate iron content. The sandy layers and clay that make up the aquifer system here release iron into the water as it passes through. This combination of soft water and moderate iron appears across wells throughout the county.
Wells in Glascock County show some contaminants worth knowing about. Arsenic, chloride, and fluoride have been detected in county well water at levels below EPA health standards. However, arsenic can damage organs over time, and chloride and fluoride can affect health at very high levels. Testing your specific well is the best way to understand what you're actually dealing with.
The good news is that wells in this county tend to have soft water, which means you won't deal with the stubborn staining and scale buildup that plague other areas. Iron is present at moderate levels in some county wells, which can cause orange or brown staining on fixtures and laundry. The soft water should keep your water heater and appliances running well for years.
We recommend testing your well to find out exactly what is in your water. Every well is different, and yours could have higher or lower levels than what is common in the county. Testing is the only way to know what treatment your well actually needs. A basic test for bacteria and nitrate runs fifty to one hundred dollars, while a comprehensive metals and minerals panel costs two hundred to four hundred dollars. Iron filtration or sediment filters can address mineral concerns if they show up in your results.
| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|---|---|---|---|---|
| Nitrite | 1 | 0% | Low | Low ⓘ | |
| Fluoride | 5 | 0% | Low | Low ⓘ | |
| Arsenic | 1 | 0% | Low | Safe ⓘ | |
| Chloride | 6 | 0% | Low | Low ⓘ | |
| Iron | 5 | 0% | Low | Low ⓘ | |
| Iron | 5 | 0% | Low | Low ⓘ | |
| Chloride | 6 | 0% | Low | Low ⓘ | |
| Arsenic | 1 | 0% | Low | Safe ⓘ | |
| Hardness | 9 | — | Low | Low ⓘ | |
| pH | 5 | — | Low | Low ⓘ | |
| Sodium | 5 | — | Low | Low ⓘ |
MCL = Maximum Contaminant Level (EPA limit for public water; used as benchmark for private wells). Distribution shows % of sampled wells in each concentration band. Methodology.
* Microbial contaminants (E. coli, coliform) reflect only samples from the last 10 years.
Data shows potential risk — a certified test confirms whether your water is affected.
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