Manganese
Aqua Illinois-woodlawn
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.
5
Samples
0
Samples exceeding legal limit (MCL)
4
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 162.3 ppb | 3 | 3 | 55.0 ppb - 230.0 ppb |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 150.0 ppb | 2 | 2 | 120.0 ppb - 180.0 ppb |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-03-14 | 18C0364-02_01 | 202.0 ppb |
| 2018-05-22 | 8053933-01 | 55.0 ppb |
| 2018-05-22 | 8053933-02 | 230.0 ppb |
| 2021-05-12 | EE02122-01 | 120.0 ppb |
| 2021-05-12 | EE02122-02 | 180.0 ppb |