Manganese
Moscow Water Department
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.
9
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | 54.8 ppb | 9 | 9 | 5.30 ppb - 185.0 ppb |
| 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 |
|---|---|---|
| 2020-04-28 | 20-13919-26881 | 8.20 ppb |
| 2020-04-28 | 20-13919-26882 | 100.0 ppb |
| 2020-04-28 | 20-13919-26883 | 185.0 ppb |
| 2020-04-28 | 20-13919-26884 | 6.30 ppb |
| 2020-04-28 | 20-13919-26885 | 24.2 ppb |
| 2020-10-27 | 20-39239-74420 | 5.30 ppb |
| 2020-10-27 | 20-39239-74421 | 62.8 ppb |
| 2020-10-27 | 20-39239-74422 | 73.4 ppb |
| 2020-10-27 | 20-39239-74423 | 28.3 ppb |