How Washtenaw County Compares
Washtenaw County mean Manganese: 53.2 µg/L vs. Michigan median: 44.15 µg/L. This county is above the state median.
Washtenaw County, Michigan
65 samples analyzed. Mean: 53.2 µg/L. EPA MCL: 50 µg/L.
| Mean | 53.2 µg/L |
| Median | 39.65 µg/L |
| Max | 170 µg/L |
| EPA limit | 50 µg/L |
| Detection rate | 95.0% |
| Samples | 65 |
Of the 65 manganese tests on record for Washtenaw County (1944–2016), 5% found none, and half were below 38.4 µg/L.
Washtenaw County mean Manganese: 53.2 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: