Manganese
Stagecoach S/d
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)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | 46.7 ppb | 3 | 2 | ND - 92.4 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 54.1 ppb | 3 | 2 | ND - 97.2 ppb |
| 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 |
|---|---|---|
| 2019-04-16 | CC04337-01 | 47.7 ppb |
| 2019-04-16 | CC04337-02 | 92.4 ppb |
| 2019-08-14 | CC10691-01 | ND |
| 2022-04-13 | CF02474-01 | 65.2 ppb |
| 2022-05-25 | CF07999-01 | 97.2 ppb |
| 2022-09-21 | CF07172-01 | ND |