Bacterial contamination from E. coli and fecal coliform has been detected in some wells in Emporia city. The good news is that contaminant levels here are low and do not exceed EPA health standards.
Bacteria in groundwater come from human and animal waste that reaches the water table. In this area, shallow wells and those near septic systems, animal operations, or flood zones are at higher risk. The sandy and permeable soils of the Northern Atlantic Coastal Plain allow bacteria to travel downward more easily than in clay-rich areas.
Groundwater in this county tends to have elevated iron because of the sandy and sediment-rich geology of the coastal plain. Iron dissolves naturally from minerals in these layers as water moves through them. Iron appears in a significant number of wells across the area.
Good news--wells in Emporia city have not shown contamination at levels that exceed EPA health standards. However, bacteria including E. coli and fecal coliform have been detected in some county wells. These bacteria can cause serious illness, especially in young children, elderly people, and those with weakened immune systems. Exposure can lead to stomach cramps, diarrhea, and other gastrointestinal problems.
Wells in this county sometimes contain sediment and iron, which creates quality-of-life concerns rather than health risks. Iron can stain laundry, fixtures, and plumbing. It may also affect the taste or color of your water. These issues are annoying but not dangerous to your health.
We recommend testing your well to find out exactly what is in your water. Every well is different, and your well may have lower or higher levels than what we see elsewhere in the county. Testing is the only way to know if bacteria or other contaminants are present so you can treat them properly. A basic bacteria and nitrate screen costs around fifty to one hundred dollars, and treatment options include chlorination or UV systems for bacterial concerns.
| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|
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.
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