Manganese
City of Clyde
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 | 46.0 ppb | 1 | 1 | 46.0 ppb |
| 2019 | 34.0 ppb | 1 | 1 | 34.0 ppb |
| 2020 | 8.40 ppb | 1 | 1 | 8.40 ppb |
| 2021 | 14.0 ppb | 1 | 1 | 14.0 ppb |
| 2022 | 49.0 ppb | 1 | 1 | 49.0 ppb |
| 2023 | 12.0 ppb | 1 | 1 | 12.0 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 |
|---|---|---|
| 2018-09-19 | Q1837353001 | 46.0 ppb |
| 2019-03-20 | Q1911589005 | 34.0 ppb |
| 2020-03-05 | Q2008307006 | 8.40 ppb |
| 2021-05-27 | Q2113747002 | 14.0 ppb |
| 2022-01-12 | Q2201150002 | 49.0 ppb |
| 2023-02-23 | Q2307661004 | 12.0 ppb |