Manganese
Great Salt Bay Sanitary 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.
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 | 12.0 ppb | 1 | 1 | 12.0 ppb |
| 2019 | 14.0 ppb | 1 | 1 | 14.0 ppb |
| 2020 | 26.0 ppb | 1 | 1 | 26.0 ppb |
| 2021 | 23.0 ppb | 1 | 1 | 23.0 ppb |
| 2022 | 45.0 ppb | 1 | 1 | 45.0 ppb |
| 2023 | 25.0 ppb | 1 | 1 | 25.0 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 |
|---|---|---|
| 2018-03-21 | 1803959-01 | 12.0 ppb |
| 2019-03-18 | 1903613-01 | 14.0 ppb |
| 2020-05-19 | 2003738-01 | 26.0 ppb |
| 2021-05-10 | 2101828-01 | 23.0 ppb |
| 2022-03-29 | 2203402-01 | 45.0 ppb |
| 2023-04-18 | 2303334-01 | 25.0 ppb |