Groundwater in Osceola County has no detected contaminants of health concern. Contaminant levels here are low.
The county's surficial aquifer--a shallow layer of sand and gravel--naturally filters water well before it reaches underground. This sandy geology and the area's land use patterns keep harmful substances from building up in the groundwater. The porous material acts like a strainer, removing most contaminants before they can travel deep into the water supply.
Groundwater in this county is likely to be moderately hard, driven by calcium and magnesium from the sandy and limestone-influenced materials of the surficial aquifer system. These minerals dissolve naturally as water moves through the ground in Florida's geology. Hard water is common across wells in this county.
Good news for Osceola County well owners: current county water data shows no analytes exceeding EPA health standards. This means wells in this county are not showing widespread contamination at levels that pose immediate health concerns. Testing remains a smart idea because water quality can vary from well to well, and new contaminants can develop over time.
The county's wells do not show significant mineral or hardness issues that would create staining, scale buildup, or unpleasant tastes or odors in your home. You should not experience the typical problems that come with very hard water, such as shortened lifespans for water heaters or dishwashers. This is another positive sign for the area's water quality.
We recommend testing your well water to confirm what is actually in your specific well, since every well is different and conditions can change. A basic screening for bacteria and nitrate costs around fifty to one hundred dollars and gives you a starting point. If you want a more complete picture of your water, a comprehensive panel testing for metals and minerals runs two hundred to four hundred dollars and helps identify any treatment needs. Testing is the only way to know for certain what you and your family are drinking.
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 | 173 | 24% | High | High | |
| Chloride | 287 | 9% | High | Moderate | |
| PFOS ⓘ municipal | 26 | 8% | Moderate | Moderate | |
| Sulfate | 269 | 2% | High | Low | |
| Manganese | 103 | 1% | High | Low | |
| Lead | 100 | 0% | High | Low | |
| Nitrate | 36 | 0% | Moderate | Low | |
| PFHxS ⓘ municipal | 26 | 0% | Moderate | Safe | |
| Arsenic | 100 | 0% | High | Low | |
| PFNA ⓘ municipal | 26 | 0% | Moderate | Safe | |
| PFOA ⓘ municipal | 26 | 0% | Moderate | Safe | |
| Fluoride | 114 | 0% | High | Low | |
| HFPO-DA (GenX) ⓘ municipal | 26 | 0% | Moderate | Safe | |
| Nitrite | 26 | 0% | Moderate | Low | |
| Radon | 4 | 0% | Low | Low ⓘ | |
| Uranium | 6 | 0% | Low | Low ⓘ | |
| E. coli | 15* | 0% | Moderate | Low | |
| Fecal Coliform | 10* | 0% | Low | Low | |
| PFBS ⓘ municipal | 26 | — | Moderate | Safe | |
| Hardness | 166 | — | High | Low | |
| Total Coliform | 24* | 0% | Moderate | Low | |
| pH | 242 | — | High | Low | |
| Sodium | 257 | — | High | 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.
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