Contaminants detected in Madison County groundwater are none, which means contaminant levels here are low. Well owners in this county do not need to worry about elevated harmful substances in their water supplies.
The Floridan aquifer system that supplies water to Madison County sits deep underground and is naturally protected by layers of rock above it. This depth and protection keep surface sources of pollution from reaching the water below, resulting in the clean groundwater found throughout the county.
The mineral character of groundwater in Madison County is not notably elevated in iron, hardness, or sulfur based on available data. The Floridan aquifer system draws from diverse rock types that do not concentrate minerals at high levels in most wells. Water quality remains fairly consistent across the county's wells.
The good news is that testing data from Madison County wells shows no contaminants exceeding EPA health standards. This means the county's groundwater is performing well overall for drinking water quality. However, every well is unique, and your specific well could have issues that aren't reflected in county-wide patterns.
Without complete mineral data available for your area, we cannot describe specific quality-of-life concerns like staining or scaling that you might encounter. Your well water could have high iron, hardness, or other minerals that affect taste, odor, or appliance lifespan. Only testing your well will reveal what you're actually dealing with.
We recommend you have your well tested to know exactly what's in your water and whether any treatment is needed. A basic screening test for bacteria and nitrate costs fifty to one hundred dollars and gives you important baseline information. If you discover mineral concerns, water softeners or filters can address most common issues.
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 ⓘ |
|---|---|---|---|---|---|
| Iron | 136 | 60% | High | High | |
| Manganese | 135 | 21% | High | High | |
| Lead | 133 | 1% | High | Low | |
| HFPO-DA (GenX) ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| Nitrite | 84 | 0% | Moderate | Low | |
| Radon | 4 | 0% | Low | Low ⓘ | |
| Uranium | 5 | 0% | Low | Low ⓘ | |
| Nitrate | 84 | 0% | Moderate | Low | |
| Sulfate | 241 | 0% | High | Low | |
| PFHxS ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| PFOS ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| Arsenic | 132 | 0% | High | Low | |
| Chloride | 241 | 0% | High | Low | |
| PFNA ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| PFOA ⓘ municipal | 6 | 0% | Low | Safe ⓘ | |
| Fluoride | 241 | 0% | High | Low | |
| pH | 242 | — | High | Low | |
| Sodium | 238 | — | High | Low | |
| Hardness | 10 | — | Low | Low | |
| Total Coliform | 58* | 0% | Moderate | Low | |
| PFBS ⓘ municipal | 6 | — | Low | Safe ⓘ | |
| E. coli | 24* | 0% | Moderate | Low | |
| Fecal Coliform | 34* | 0% | 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…