Your well water comes from mixed rock layers below the surface. This rock is not one solid type, but rather fractured stone with cracks and spaces where water collects and flows. Water in this area moves slowly through these breaks in the rock, picking up minerals as it goes.
Iron, manganese, and chloride appear in your water because they exist naturally in the rock layers underground. As water sits in contact with these rocks over time, minerals dissolve into the water. These contaminants come straight from the geology itself, not from surface pollution or human activity in most cases.
Your water is extremely hard and mineral-rich, with very high levels of sodium and sulfate. This means you will see white crusty buildup on pipes, faucets, and inside appliances. Iron in the water will stain your sinks and laundry orange-brown and leave rust-colored marks that are hard to remove.
Manganese, iron, and chloride in Licking County well water exceed EPA health standards. This is a serious situation that demands your attention. These contaminants are present at levels that require testing and treatment.
Manganese can harm your brain and nervous system over time. Iron will stain your sinks, toilets, and laundry orange-brown. Your water is extremely hard, which means thick white scale will build up inside your pipes and damage appliances. Chloride and sulfate at these levels can make your water taste salty or bitter.
Get your well tested by a state-certified lab right away. A basic health screen runs fifty to one hundred dollars. A comprehensive mineral and metals panel runs two hundred to four hundred dollars. Ask your lab to test for all metals and minerals, including sodium and sulfate. A whole-house water treatment system with filtration and softening can address multiple problems at once.
| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|---|---|---|---|---|
| Manganese | 17 | 69% | 18% · 18% · 65% | Moderate | High |
| Iron | 51 | 52% | 35% · 14% · 51% | Moderate | High |
| Chloride | 60 | 7% | 80% · 13% · 7% | Moderate | Moderate |
| Sulfate | 52 | 4% | 85% · 12% · 4% | Moderate | Moderate |
| Fluoride | 31 | 0% | 97% · 3% · 0% | Moderate | Low |
| Lead | 9 | 0% | 100% · 0% · 0% | Low | Low |
| Uranium | 8 | 0% | 88% · 12% · 0% | Low | Low |
| Arsenic | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| E. coli | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Fecal Coliform | 1 | — | — | Low | Safe |
| Hardness | 33 | — | — | Moderate | Low |
| Nitrate | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Nitrate | 1 | — | — | Low | Safe |
| Nitrite | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| pH | 11 | — | — | Low | Low |
| Sodium | 53 | — | — | Moderate | Low |
| Total Coliform | 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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