Manganese
Old Coach Village
Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.
6
Samples
0
Samples exceeding legal limit (MCL)
3
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 110.0 ppb | 6 | 4 | ND - 283.0 ppb |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 100 ppb
The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-15 | 1801-01107-001 | ND |
| 2018-01-15 | 1801-01110-001 | ND |
| 2018-06-27 | 1806-03712-001 | 251.0 ppb |
| 2018-12-20 | 1812-02153-001 | 9.00 ppb |
| 2018-12-20 | 1812-02153-002 | 283.0 ppb |
| 2018-12-20 | 1812-02153-003 | 117.0 ppb |