How Marquette County Compares
Marquette County mean Manganese: 79.2 µg/L vs. Michigan median: 44.15 µg/L. This county is above the state median.
Marquette County, Michigan
67 samples analyzed. Mean: 79.2 µg/L. EPA MCL: 50 µg/L.
| Mean | 79.2 µg/L |
| Median | 10.0 µg/L |
| Max | 1400 µg/L |
| EPA limit | 50 µg/L |
| Detection rate | 93.0% |
| Samples | 67 |
Of the 67 manganese tests on record for Marquette County (1975–2015), 7% found none, and half were below 10 µg/L.
Marquette County mean Manganese: 79.2 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: