Groundwater in Saginaw County contains arsenic, chloride, iron, manganese, and sulfate at levels that exceed EPA health standards. These are serious contaminants that demand immediate attention from well owners.
These contaminants come from the rock layers beneath the county. As groundwater moves slowly through cracks in the bedrock, iron and arsenic dissolve naturally from the rock. Chloride and sulfate are ancient minerals trapped in these same layers, accumulating over time as water stays in contact with the rock.
Groundwater in this county is very hard, with elevated calcium and magnesium, plus very high sodium and notable iron that drive its character. The slow movement of water through the bedrock here allows these minerals to concentrate in the groundwater. Very hard water and high sodium levels are common across wells in this county.
Wells in Saginaw County commonly contain arsenic, chloride, iron, manganese, and sulfate at levels that exceed EPA health standards. Arsenic is a poison that builds up in your body over time and is linked to cancer, heart disease, and other serious illnesses. Manganese can harm brain development in children and affect the nervous system in adults. Chloride and sulfate at elevated levels can damage your kidneys and digestive system with long-term exposure. Iron itself does not pose a direct health risk at the levels found here, but the combination of these contaminants makes testing urgent.
The very hard water in this county will leave white crusty scale buildup on faucets, showerheads, and inside pipes. Iron stains sinks, toilets, and laundry a reddish-brown color that is hard to remove. Sulfate can give your water a bitter or rotten-egg taste and odor. High sodium makes the water taste salty. This extreme hardness can shorten the lifespan of water heaters, dishwashers, and other appliances by years.
We recommend testing your well right away with a comprehensive metals and minerals panel, since multiple contaminants exceed standards here. 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. A comprehensive panel typically costs $200-400. Treatment options like reverse osmosis systems or arsenic-specific filters combined with water softeners can address these 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 ⓘ |
|---|---|---|---|---|---|
| Iron | 45 | 71% | Moderate | High | |
| Chloride | 60 | 53% | Moderate | High | |
| Sulfate | 49 | 45% | Moderate | High | |
| Manganese | 45 | 38% | Moderate | High | |
| Arsenic | 44 | 7% | Moderate | Moderate | |
| Fluoride | 49 | 0% | Moderate | Low | |
| HFPO-DA (GenX) ⓘ municipal | 35 | 0% | Moderate | Safe | |
| Lead | 14 | 0% | Low | Safe | |
| Nitrite | 15 | 0% | Moderate | Low | |
| PFHxS ⓘ municipal | 35 | 0% | Moderate | Safe | |
| PFNA ⓘ municipal | 36 | 0% | Moderate | Safe | |
| PFOA ⓘ municipal | 36 | 0% | Moderate | Safe | |
| PFOS ⓘ municipal | 35 | 0% | Moderate | Safe | |
| Radon | 1 | 0% | Low | Low ⓘ | |
| Uranium | 2 | 0% | Low | Low ⓘ | |
| Nitrate | 15 | 0% | Moderate | Low | |
| Hardness | 45 | — | Moderate | Low | |
| PFBS ⓘ municipal | 35 | — | Moderate | Safe | |
| pH | 47 | — | Moderate | Low | |
| Sodium | 45 | — | 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.
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