Groundwater in Atkinson County contains arsenic, chloride, and bacteria, but none of these contaminants are present at levels that exceed EPA health standards. Testing shows that contaminant levels in this county's groundwater are low.
These contaminants come from natural sources and everyday activities rather than major industrial pollution. Arsenic occurs naturally in the sandy and clay layers of the surficial aquifer system here. Chloride and bacteria enter groundwater through septic systems, old wells, and natural weathering of soil and rock. The sandy soils in this area are relatively porous, which allows some contaminants to move through, but the low levels detected suggest that natural filtering is working well.
Groundwater in this county is hard, driven by elevated calcium and magnesium from the water's contact with rock and soil layers. The hard water comes from the minerals dissolved as water percolates through the earth, a common feature in this region. Hardness is widespread across wells in this county, though iron and sulfate levels remain low.
Wells in Atkinson County show no contaminants exceeding EPA health standards based on county data. However, arsenic, chloride, and e_coli have been found in some wells here and deserve attention. Arsenic is a serious concern because long-term exposure can cause skin problems and increase cancer risk. E_coli bacteria can cause stomach illness, and high chloride levels can affect people with heart or kidney conditions.
The good news is that mineral levels in county wells are generally low, which means you probably won't see staining from iron or struggle with stubborn scale buildup on fixtures. However, the water is moderately hard, which can make soap less effective and leave spots on dishes and glassware. Over time, hard water can shorten the life of water heaters and dishwashers by building up mineral deposits inside them.
We recommend testing your well to find out what's actually in your water, since every well is different and yours could have higher or lower levels than the county average. A basic test for bacteria and nitrate costs around fifty to one hundred dollars. If you want a complete picture, a comprehensive metals and minerals panel runs two hundred to four hundred dollars. Depending on what testing shows, simple treatments like chlorination or water softening can address most problems.
| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|---|---|---|---|---|
| Lead | 2 | 0% | Low | Low ⓘ | |
| Manganese | 2 | 0% | Low | Low ⓘ | |
| Nitrate | 5 | 0% | Low | Low ⓘ | |
| Sulfate | 5 | 0% | Low | Low ⓘ | |
| Arsenic | 2 | 0% | Low | Low ⓘ | |
| Chloride | 6 | 0% | Low | Low ⓘ | |
| Iron | 2 | 0% | Low | Low ⓘ | |
| Fluoride | 5 | 0% | Low | Low ⓘ | |
| Nitrite | 2 | 0% | Low | Safe ⓘ | |
| Manganese | 2 | 0% | Low | Low ⓘ | |
| Uranium | 2 | 0% | Low | Low ⓘ | |
| Radon | 1 | 0% | Low | Low ⓘ | |
| pH | 4 | — | Low | Low ⓘ | |
| Sodium | 4 | — | Low | Low ⓘ | |
| Hardness | 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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