Groundwater in Van Wert County contains sulfate, iron, and arsenic. Iron and sulfate exceed EPA health standards at concerning levels, and arsenic is also present.
These contaminants come from the rock layers beneath the county. The underlying formation naturally contains iron and sulfate minerals that dissolve as water moves slowly through cracks and fractures in the stone. Arsenic sits locked inside the rock itself and releases into water through the same slow contact process.
Groundwater in Van Wert County is very hard, driven by elevated calcium, magnesium, and sulfate minerals. The same limestone and shale rock that contributes these hardness minerals also releases iron as water sits in contact with it over time. These characteristics are widespread across wells throughout the county.
Wells in Van Wert County commonly exceed EPA health standards for iron and sulfate. Iron at elevated levels can cause problems with your organs over time, including damage to your heart, liver, and kidneys with long-term exposure. Sulfate at the levels found in county wells can cause digestive issues and affect how your body absorbs important nutrients. These are serious health concerns that need attention.
The mineral content in county wells creates noticeable problems in daily life. Iron stains sinks, toilets, and laundry orange-brown, and it leaves deposits that are hard to clean. The water is extremely hard, meaning thick white or tan scale builds up on faucets, shower heads, and inside pipes. This extreme hardness shortens the lifespan of water heaters, dishwashers, and other appliances. The high sulfate levels may also give your water a bitter taste or unpleasant smell.
We recommend testing your well water. Every well is different, and your well 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. We recommend a comprehensive metals and minerals panel, which typically costs $200-400. A water softener combined with iron filtration can address both the hardness and iron concerns.
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 ⓘ |
|---|---|---|---|---|---|
| Sulfate | 2 | 100% | Low | High ⓘ | |
| Iron | 23 | 74% | Moderate | High | |
| Arsenic | 21 | 0% | Moderate | Low | |
| Chloride | 19 | 0% | Moderate | Low | |
| Fluoride | 8 | 0% | Low | Low ⓘ | |
| HFPO-DA (GenX) ⓘ municipal | 4 | 0% | Low | Safe ⓘ | |
| Lead | 18 | 0% | Moderate | Low | |
| Manganese | 20 | 0% | Moderate | Low | |
| Nitrate | 1 | 0% | Low | Safe ⓘ | |
| Nitrite | 2 | 0% | Low | Low ⓘ | |
| PFHxS ⓘ municipal | 4 | 0% | Low | Safe ⓘ | |
| PFNA ⓘ municipal | 4 | 0% | Low | Safe ⓘ | |
| PFOA ⓘ municipal | 4 | 0% | Low | Safe ⓘ | |
| PFOS ⓘ municipal | 4 | 0% | Low | Safe ⓘ | |
| Hardness | 14 | — | Low | Low | |
| PFBS ⓘ municipal | 4 | — | Low | Safe ⓘ | |
| pH | 18 | — | Moderate | Low | |
| Sodium | 23 | — | 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.
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