Manganese
Beaver Water District
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.
7
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 | 1.30 ppb | 1 | 1 | 1.30 ppb |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | 25.0 ppb | 2 | 1 | ND - 50.0 ppb |
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 |
|---|---|---|
| 2018-02-07 | Y180400001 | 1.30 ppb |
| 2019-02-05 | Y190380018 | ND |
| 2020-02-04 | Y200370001 | ND |
| 2021-02-03 | Y210350065 | ND |
| 2022-02-01 | Y220330011 | ND |
| 2023-02-08 | Y230400021 | ND |
| 2023-02-08 | Y230400083 | 50.0 ppb |