Groundwater in Evans County contains arsenic, chloride, and fluoride. Contaminant levels here are low and do not exceed EPA health standards.
These contaminants come from the sandy and clay layers that make up the shallow aquifer in this area. The loose soil and sand naturally filter and dilute these substances as rainwater seeps down, keeping them at safe levels. The flat coastal plain landscape here also means water moves slowly through the ground, giving it time to break down contaminants.
Groundwater in Evans County is moderately hard, driven mainly by calcium and magnesium dissolved from the sandy and clay materials underground. This moderate hardness is a normal result of water passing through these mineral-bearing layers. Most wells in the county show this same moderately hard character.
Wells in Evans County do not show analytes exceeding EPA health standards at the county level. However, arsenic, chloride, and fluoride are present in local groundwater and warrant attention. Arsenic can damage organs and increase cancer risk with long-term exposure. Chloride and fluoride at elevated levels also pose health concerns for vulnerable people like infants and children.
Water in this county tends to be moderately hard, which can leave scale buildup on fixtures and inside pipes over time. You may notice reduced water pressure from mineral deposits or spotting on dishes and glassware. Hard water can also shorten the lifespan of water heaters and dishwashers by causing scale to accumulate inside them. The good news is that iron levels in county wells are low, so rust staining is uncommon here.
We recommend testing your well water to find out exactly what is in it, since every well is different and yours may have higher or lower levels than what is typical in the county. Testing is the only way to know whether treatment is needed for your family's health and comfort. A comprehensive metals and minerals panel runs between two hundred and four hundred dollars and will give you a complete picture. Water softeners can address hardness, and activated carbon filters or reverse osmosis systems can remove some contaminants depending on what testing reveals.
| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|---|---|---|---|---|
| PFHxS ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| Nitrite | 2 | 0% | Low | Low ⓘ | |
| PFNA ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| PFOS ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| PFOA ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| Fluoride | 9 | 0% | Low | Low ⓘ | |
| HFPO-DA (GenX) ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| Chloride | 13 | 0% | Low | Low | |
| Iron | 3 | 0% | Low | Low ⓘ | |
| PFOA ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| PFNA ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| Iron | 3 | 0% | Low | Low ⓘ | |
| Chloride | 13 | 0% | Low | Low | |
| Fluoride | 9 | 0% | Low | Low ⓘ | |
| Arsenic | 2 | 0% | Low | Low ⓘ | |
| PFBS ⓘ municipal | 6 | — | Low | Safe ⓘ | |
| Hardness | 9 | — | Low | Low ⓘ | |
| pH | 8 | — | Low | Low ⓘ | |
| Sodium | 9 | — | 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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