Manganese
Wedowee Water, Sewer, & Gas Board
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 | ND | 1 | 0 | ND |
| 2019 | 34.0 ppb | 1 | 1 | 34.0 ppb |
| 2020 | 47.6 ppb | 1 | 1 | 47.6 ppb |
| 2021 | 37.9 ppb | 1 | 1 | 37.9 ppb |
| 2022 | 6.20 ppb | 1 | 1 | 6.20 ppb |
| 2023 | 65.9 ppb | 1 | 1 | 65.9 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 |
|---|---|---|
| 2018-04-17 | 177948-01AINO | ND |
| 2019-03-20 | 188565-01INO | 34.0 ppb |
| 2020-02-19 | 200962-01INO | 47.6 ppb |
| 2021-02-17 | 213121-01INO | 37.9 ppb |
| 2022-07-20 | 307375-01INO | 6.20 ppb |
| 2023-07-05 | 319504-01INO | 65.9 ppb |