Midland County's groundwater sits in other rocks—a mix of old sandstone, shale, and other stone layers buried deep underground. These rocks hold water in tiny cracks and spaces. The water has been in contact with these rocks for a very long time.
Iron, sulfate, and chloride appear in the water because they dissolve out of the rock itself. Iron is common in the sandstone and shale that surround the water. Sulfate comes from minerals in these same stone layers. Chloride seeps up from very old salty layers buried far below, a natural source that has been there for millions of years.
Your water is heavily loaded with minerals, especially sodium and sulfate at very high levels. This much salt makes the water taste salty and can be hard on your plumbing. The iron causes orange or brown stains on sinks and fixtures. You should have your well tested to see what is actually in your water and decide if you need a filtration system.
Chloride, iron, and sulfate exceed EPA health standards in Midland County well water. These minerals come from deep rock layers that naturally contain salt and mineral deposits. The combination of all three contaminants together shows your water has moved through mineral-rich underground zones. This is a moderate concern that warrants testing and attention.
Long-term exposure to high chloride and sulfate can affect your kidneys and digestive system over time. Iron at these levels will stain your sinks, toilets, and laundry with orange-brown marks. The water will likely taste salty and have a bitter flavor. You may also notice buildup inside pipes and water heaters.
Get your well tested by a state-certified lab to confirm the exact levels—a comprehensive mineral and metals panel costs about $200–$400. A water softener combined with an iron filter can address these contaminants. Test your water again every one to two years to track changes.
| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|---|---|---|---|---|
| Iron | 43 | 35% | 54% · 12% · 35% | Moderate | High |
| Sulfate | 37 | 24% | 65% · 11% · 24% | Moderate | High |
| Chloride | 51 | 14% | 69% · 18% · 14% | Moderate | Moderate |
| Arsenic | 13 | 0% | 69% · 31% · 0% | Low | Low |
| Uranium | 2 | 0% | 100% · 0% · 0% | Low | Low |
| Lead | 3 | 0% | 100% · 0% · 0% | Low | Low |
| Nitrite | 10 | 0% | 100% · 0% · 0% | Low | Low |
| Nitrate | 10 | 0% | 100% · 0% · 0% | Low | Low |
| Fluoride | 10 | 0% | 100% · 0% · 0% | Low | Low |
| Sodium | 43 | — | — | Moderate | Low |
| pH | 8 | — | — | Low | Low |
| Nitrate | 6 | — | — | Low | Low |
| Manganese | 1 | 0% | 100% · 0% · 0% | Low | Safe |
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.
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