How Gratiot County Compares
Gratiot County mean Manganese: 58.55 µg/L vs. Michigan median: 44.15 µg/L. This county is above the state median.
Gratiot County, Michigan
22 samples analyzed. Mean: 58.55 µg/L. EPA MCL: 50 µg/L.
| Mean | 58.55 µg/L |
| Median | 21.5 µg/L |
| Max | 420 µg/L |
| EPA limit | 50 µg/L |
| Detection rate | 100.0% |
| Samples | 22 |
Of the 22 manganese tests on record for Gratiot County (1965–1988), 0% found none, and half were below 21.5 µg/L.
Gratiot County mean Manganese: 58.55 µg/L vs. Michigan median: 44.15 µg/L. This county is above the state median.
To determine your personal exposure, get your well water tested. For treatment options: