Manganese
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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 | 6.00 ppb | 3 | 3 | 1.86 ppb - 12.7 ppb |
| 2019 | 26.2 ppb | 3 | 3 | 3.37 ppb - 60.9 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-11-26 | 4132306 | 3.44 ppb |
| 2018-11-26 | 4132251 | 1.86 ppb |
| 2018-11-26 | 4132218 | 12.7 ppb |
| 2019-05-13 | 4292848 | 60.9 ppb |
| 2019-05-13 | 4293731 | 3.37 ppb |
| 2019-05-13 | 4292652 | 14.3 ppb |