Manganese
Hoisington, City of
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)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 42.8 ppb | 2 | 2 | 1.60 ppb - 84.0 ppb |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 79.0 ppb | 3 | 2 | ND - 150.0 ppb |
| 2023 | 17.0 ppb | 1 | 1 | 17.0 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 |
|---|---|---|
| 2018-03-12 | 936608 | 1.60 ppb |
| 2018-03-12 | 936609 | 84.0 ppb |
| 2021-11-02 | 2010729 | ND |
| 2022-01-10 | 2137504 | 87.0 ppb |
| 2022-08-23 | 2341660 | ND |
| 2022-10-17 | 2381509 | 150.0 ppb |
| 2023-03-07 | 2463281 | 17.0 ppb |