Groundwater in Forsyth County contains manganese, iron, and sulfate at levels that exceed EPA health standards. These contaminants are present at concerning concentrations that well owners should monitor.
The crystalline bedrock beneath Forsyth County naturally contains iron and manganese-bearing minerals. As groundwater moves through fractures and cracks in this rock, it dissolves these metals and sulfate, picking them up on the way to your well. This is a natural process driven by the county's geology, not pollution from surface sources.
Groundwater in Forsyth County is soft but elevated in iron, which is the dominant aesthetic concern. Iron concentrates in this water because the crystalline bedrock is rich in iron-bearing minerals that dissolve as water passes through the rock layers. High iron is widespread across wells in this county.
Wells in Forsyth County commonly have iron, manganese, and sulfate at levels above EPA health standards. Iron and manganese can build up in your body over time and affect your nervous system and organ function. Sulfate at elevated levels can cause digestive problems, especially in infants and people with certain health conditions.
The high iron in county wells causes visible staining on sinks, toilets, and laundry that is hard to remove. You may notice a metallic or bitter taste in your water. Iron can also clog pipes and reduce water pressure over time. The water in this county is naturally soft, so you won't deal with scale buildup from mineral deposits.
We recommend testing your well water with a comprehensive panel that checks metals and minerals, since multiple analytes exceed health standards in this county. Your well may have higher or lower levels than what is common here--testing is the only way to know what you are actually dealing with. A comprehensive panel typically costs two hundred to four hundred dollars. Iron and manganese can be removed with filtration systems or chemical treatment depending on your levels.
Not sure if your well is affected? Get certified results in 5–7 days.
Test Your Well Water with Tap Score →| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|---|---|---|---|---|
| Manganese | 11 | 36% | Low | High | |
| Iron | 11 | 18% | Low | High | |
| Sulfate | 13 | 8% | Low | Moderate | |
| Lead | 11 | 0% | Low | Safe | |
| Nitrate | 13 | 0% | Low | Low | |
| PFOS ⓘ municipal | 22 | 0% | Moderate | Safe | |
| Arsenic | 11 | 0% | Low | Low | |
| Chloride | 13 | 0% | Low | Low | |
| PFNA ⓘ municipal | 22 | 0% | Moderate | Safe | |
| PFOA ⓘ municipal | 22 | 0% | Moderate | Safe | |
| Nitrate | 13 | 0% | Low | Low | |
| PFHxS ⓘ municipal | 22 | 0% | Moderate | Safe | |
| pH | 13 | — | Low | Low | |
| Sodium | 13 | — | Low | Low | |
| PFBS ⓘ municipal | 22 | — | Moderate | Safe | |
| Hardness | 13 | — | 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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