Groundwater in Columbiana County contains manganese, iron, and sulfate at levels that exceed EPA health standards. These elevated concentrations are concerning and require attention from well owners.
The rock beneath this county is Pennsylvanian shale and coal-bearing sandstone. As groundwater moves slowly through cracks in these rock layers, it dissolves iron and manganese from the minerals present. Sulfate comes from sulfide minerals breaking down in the same rock layers over time.
Groundwater in this county is very hard, with significant concentrations of calcium and magnesium from the rock. The slow movement of water through tight rock fractures allows these minerals to accumulate over extended contact time. These characteristics are widespread across wells in the county.
Wells in Columbiana County commonly exceed EPA health standards for iron, manganese, and sulfate. Manganese at elevated levels can harm brain development and nervous system function, especially in children with long-term exposure. Iron itself does not have a federal health standard, but elevated iron can still cause health concerns in some populations. Sulfate at high levels can cause digestive problems in some people, particularly those not accustomed to it.
The extremely hard water in this county creates significant quality-of-life challenges. Iron stains sinks, toilets, and laundry orange-brown. White crusty scale builds up on pipes, fixtures, and inside water heaters. The combination of hardness and minerals shortens the lifespan of water heaters, dishwashers, and other appliances. You may also notice a metallic taste or rotten-egg odor from the sulfate.
We recommend testing your well with a comprehensive metals and minerals panel. Every well is different, and yours may have higher or lower levels than what is common in the county. Testing is the only way to know what is actually in your water so it can be properly treated. A comprehensive panel typically costs $200-400. Treatment options like water softeners paired with iron removal systems can address multiple concerns at once.
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 | 66 | 97% | Moderate | High | |
| Iron | 66 | 95% | Moderate | High | |
| Sulfate | 29 | 3% | Moderate |
Moderate
Elevated concentration, not % above limit
|
|
| Arsenic | 60 | 0% | Moderate | Low | |
| Chloride | 66 | 0% | Moderate | Low | |
| Fluoride | 60 | 0% | Moderate | Low | |
| HFPO-DA (GenX) ⓘ municipal | 16 | 0% | Moderate | Safe | |
| Lead | 60 | 0% | Moderate | Low | |
| Nitrate | 1 | 0% | Low | Low ⓘ | |
| Nitrite | 1 | 0% | Low | Safe ⓘ | |
| PFHxS ⓘ municipal | 16 | 0% | Moderate | Safe | |
| PFNA ⓘ municipal | 16 | 0% | Moderate | Safe | |
| PFOA ⓘ municipal | 16 | 0% | Moderate | Safe | |
| PFOS ⓘ municipal | 16 | 0% | Moderate | Safe | |
| Uranium | 1 | 0% | Low | Safe ⓘ | |
| Sodium | 66 | — | Moderate | Low | |
| pH | 42 | — | Moderate | Low | |
| PFBS ⓘ municipal | 16 | — | Moderate | Low | |
| Hardness | 66 | — | Moderate | 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.
Order a Tap Score Test →Population-level CDC data. Not individual risk prediction.
Loading recent water news…