Manganese
Domestic Water Company Royal Forest Subdivision
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.
4
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 | 24.1 ppb | 1 | 1 | 24.1 ppb |
| 2019 | 40.9 ppb | 1 | 1 | 40.9 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 33.1 ppb | 1 | 1 | 33.1 ppb |
| 2022 | 30.4 ppb | 1 | 1 | 30.4 ppb |
| 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 |
|---|---|---|
| 2018-05-09 | AE25703 | 24.1 ppb |
| 2019-03-04 | AE56826 | 40.9 ppb |
| 2021-06-11 | AF57676 | 33.1 ppb |
| 2022-04-12 | AF92812 | 30.4 ppb |