Manganese
American Legion Mia Post 231
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.
4
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 | 20.0 ppb | 1 | 1 | 20.0 ppb |
| 2019 | 2.40 ppb | 1 | 1 | 2.40 ppb |
| 2020 | 12.3 ppb | 2 | 1 | ND - 24.5 ppb |
| 2021 | 23.0 ppb | 1 | 1 | 23.0 ppb |
| 2022 | 1.000 ppb | 1 | 1 | 1.000 ppb |
| 2023 | ND | 1 | 0 | ND |
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 |
|---|---|---|
| 2018-01-10 | Q1801241004 | 20.0 ppb |
| 2020-06-10 | Q2023561001 | 24.5 ppb |
| 2020-06-10 | Q2023561002 | ND |
| 2021-06-01 | Q2114155007 | 23.0 ppb |