Manganese
Branchville W Department
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.
9
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 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 5.10 ppb | 5 | 3 | ND - 12.2 ppb |
| 2022 | 2.39 ppb | 4 | 1 | ND - 9.56 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 |
|---|---|---|
| 2021-01-11 | 210111056-03 | ND |
| 2021-04-05 | 210405061-02 | ND |
| 2021-07-12 | 210712072-04 | 4.02 ppb |
| 2021-10-04 | 211004075-04 | 12.2 ppb |
| 2021-11-10 | 211110057-03 | 9.27 ppb |
| 2022-01-10 | 220110082-04 | ND |
| 2022-04-04 | 220404082-04 | ND |
| 2022-07-11 | 220711072-01 | 9.56 ppb |
| 2022-10-10 | 221010059-03 | ND |